RATIONALIZED GRADE 9 RATIONALIZED MATHEMATICS SCHEME OF WORK TERM 2

1

1

a)      Identify the properties of regular polygons.

b)      Calculate the sum of the interior and exterior angles of each of the polygons.

c)      Acknowledge the properties of the different polygons.

Identify the different types of polygons.

Draw equilateral triangle,square,regular hexagon an regular pentagon on charts and note books.

Discuss the properties of regular polygons.

Collaborate in finding the sum of the interior and exterior angles of each of the drawn polygons using the appropriate formula.

Share their findings in class for assessment.

Lesson notes.

Charts.

Oral questions.

Oral discussion.

Checklists.

a)      Identify the formula for calculating the area of a pentagon.

b)      Calculate the area of a pentagon in different situations.

c)      Acknowledge the formula for calculating the area of a pentagon.

Identify the formula for calculating the area of a pentagon.

Observe the teacher as he/she illustrates how to calculate the area of a pentagon using cut outs of the pentagons.

Collaborate in calculating the area of pentagons in different situations and share their findings.

Top Scholar Maths pg 87-89.

Lesson notes.

Teacher`s Guide.

Rulers and manillas.

Assessment rubrics.

Checklists.

Oral questions.

Illustrations.

a)      Identify the formula for calculating the area of a hexagon.

b)      Calculate the area of hexagons in different situations.

c)      Enjoy working out the area of hexagons.

Prepare cut outs of regular hexagons.

Identify the formula for finding the area of hexagons.

Observe teacher as he/she illustrates how to find the area of hexagons using the cut outs.

Collaborate in calculating the area of hexagons in different situations and share their findings.

Cut outs of hexagon.

Teacher`s  guide.

Calculators.

Written Assessment.

Assessment rubrics.

Checklists.

Oral questions.

a)      Outline the steps of making models triangular and rectangular based prisms using manillas.

b)      Make models of triangular and rectangular based prisms using manillas.

c)      Enjoy making triangular and rectangular based prisms using manillas.

Use digital devices to search and watch clips on making models triangular and rectangular based prisms using manillas.

Sketch the nets of the solids.

Collaborate in making models of the rectangular and triangular based prisms using manillas.

Display their made models of prisms.

Scissors.

Pencils and rulers.

Top Scholar Maths pg 92.

Digital devices.

Video clips.

Oral questions.

Portifolios.

Checklists.

Assessment rubrics.

a)      Identify the steps for calculating the surface area of a rectangular based prism.

b)      Work out the surface area of a rectangular based prism.

c)      Enjoy working out surface area of rectangular prisms.

Draw the net of a rectangular based prism in books.

Discuss the steps for calculating surface area of rectangular prisms using the drawn prisms.

Use the drawn nets to calculate the surface area of rectangular based prisms.

Share their findings with peers for assessment and feedback.

Top Scholar Maths pg 92-93.

Teacher`s Guide.

Checklists.

Written Assessment.

Oral discussion.

Illustrations.

Peer Assessment.

Oral questions.

2

a)      Outline the steps of calculating the area of a triangular based prisms.

b)      Work out the surface area of triangular based prism.

c)      Enjoy working out the surface area of triangular based prisms.

Individually,draw a net of the triangular based prism.

Discuss the steps of calculating the surface area of triangular based prisms using the drawn nets.

Use the models and drawn nets of the triangular prism to calculate surface area of triangular prisms in different situations.

Share their findings with peers for assessment and feedback.

Models and drawn nets of triangular prism.

Charts.

Teacher`s Guide.

Chalkboard & chalks.

Assessment rubrics.

Written Assessment.

Checklists.

Oral questions.

Peer Assessment.

a)      Identify the steps of calculating the surface area of triangular based pyramids.

b)      Work out the surface area of triangular based pyramids

c)      Acknowledge the steps of working out surface area of triangular based pyramids.

Individually draw  a net of a surface area of triangular based pyramids.

Use digital devices to search and watch clips on finding the surface area of a triangular based pyramids.

Identify the formula and steps of finding the surface area of triangular based pyramids.

Apply the identified formulas and steps to work out surface area of triangular based pyramids  using nets.

Share their findings with peers for assessment & feedback.

Video clip on calculating surface area of triangular pyramids.

Digital devices.

Nets of triangular based pyramids.

Teacher`s Guide.

Chalkboard & chalks.

Oral discussion.

Assessment rubrics.

Written Assessment.

Checklists.

a)      Identify the steps and formula of calculating the surface area of square-based pyramids.

b)      Work out the surface area of square based pyramids using nets.

c)      Enjoy working out the surface area of square based pyramids.

Draw nets of square based pyramids on charts and books.

Search and watch a clip on finding the surface area of a square based pyramids.

Identify the steps and formula for calculating the surface area of square based pyramids.

Use the identified formulas of area of plane figures and work out the surface area of square based pyramids.

Share their findings with peers for assessment and feedback.

Video clips.

Digital devices.

Teacher`s Guide.

Nets of square based pyramids.

Chalkboard & chalks.

Checklists.

Peer Assessment.

Written Assessment.

Oral questions and discussion.

a)      Identify the steps and formula of calculating surface area of rectangular based pyramids.

b)      Work out the surface area of rectangular based pyramids.

c)      Enjoy working out the surface area of rectangular based pyramids using their nets.

Individually draw the nets of rectangular based pyramids in books and charts.

Search and watch a clip on finding the surface area of rectangular based pyramids.

Discuss the steps of finding the surface area of rectangular based pyramids as observed from the clips.

Use the nets drawn and steps to work out the surface area of rectangular based pyramids.

Share their findings with peers for assessment and feedback.

Video clip.

Digital devices.

Drawn nets of rectangular based pyramids.

Teacher`s Guide.

Checklists.

Oral questions and discussion.

Assessment rubrics.

a)      Identify the formula for calculating the area of a sector and segment of a circle.

b)      Calculate the area of a sector and segment of a circle.

c)      Acknowledge the formulae for calculating the area of a sector and segment of a circle.

Use manilla papers to draw a circle with a sector,chord and a segment and discuss the relationship.

Make cut outs of a sector and a segment.

Identify the formula and steps for calculating area of a sector and segment of a circle using relevant examples.

Collaborate in working out the area of sectors and segment.

Share their findings with peers for assessment and feedback.

Teacher`s Guide.

Chalkboard & chalks.

Chart showing the sector and segment.

Written Assessment.

Illustrations.

Peer Assessment.

Checklists.

3

a)      Identify the formula for calculating the surface area of a cone.

b)      Work out the surface area of a cone in real life situations.

c)      Enjoy calculating the surface area of cones in real life situations.

Draw a net of a cone on manilla papers.

Use digital devices to search and watch a clip on calculating the surface area of a cone.

Identify the formula and steps for calculating the surface area of a cone.

Open the cone to form a net and determine surface area of the curved surface.

Collaborate in working out the surface area of a closed and an open cone.

Nets of cones.

Manillas.

Teacher`s Guide.

Video clip.

Digital devices.

Written Assessment.

Oral questions.

Peer assessment.

Checklists.

a)      Identify the formula for calculating the surface area of a sphere.

b)      Calculate the surface area of a sphere in real life situations.

c)      Enjoy calculating the surface area of spheres in different situations.

Identify the formula for calculating the surface area of a sphere.

Observe the teacher as he/she illustrates how to calculate the surface area of a sphere using relevant examples.

Use the identified formula to work out the surface area of different sizes of spherical balls.

Share their findings in class for assessment and feedback.

Teacher`s Guide.

Chalkboard & chalks.

Assessment rubrics.

Written Assessment.

Oral questions.

a)      Identify the uses of area in real life situations.

b)      Use digital devices to search for information on the uses of area in real life situations.

c)      Acknowledge the uses of area in real life situations.

Brainstorm and present the uses of area in real life situations.

Conduct a research online on the uses of area in real life situations and take notes.

Discuss the uses of area in real life situations and make a class presentation.

Digital devices.

Lesson notes.

Oral discussion.

Checklists.

Assessment rubrics.

a)      Identify the formula for calculating the volume of a triangular based prism.

b)      Work out the volume of triangular based prisms.

c)      Acknowledge the formula for calculating the volume of triangular based prisms.

Identify containers and objects that resemble triangular prisms in the environment.

Discuss the models of a prism.

Identify the formula for calculating the volume of a triangular based prism.

Use the formula to work out the volume of triangular-based prisms.

Share their findings for assessment and feedback.

Containers and objects.

Teacher`s Guide.

Models of triangular prisms.

Checklists.

Assessment rubrics.

Oral questions.

Written Assessment.

a)      Identify the formula for calculating the volume of a rectangular based prism.

b)      Work out the volume of rectangular based prisms.

c)      Enjoy calculating the volume of rectangular based prisms.

Identify the objects and containers that resemble the rectangular prisms.

Identify the formula for calculating the volume of rectangular based prisms.

Observe teacher as he/she illustrates how to calculate the volume of rectangular based prisms using the identified formula.

In pairs or individually,learner to apply the formula in working out the volume of rectangular based prisms.

Share their findings with peers for assessment and feedback.

Teacher`s Guide.

Chalkboard.

Model of a rectangular based prism.

Containers and objects

Checklists.

Oral questions.

Written Assessment.

Peer Assessment.

4

a)      Identify  the formula for calculating the volume of square based pyramids.

b)      Calculate the volume of a square based pyramid.

c)      Have fun working out the volume of square based pyramid.

Draw a net of the square based pyramid on manillas.

Use digital device to search and watch clips on how to calculate the volume of a square based pyramids.

Identify the formula for calculating the volume of a square based pyramid.

Use the identified formula to work out the volume of square based pyramids.

Share their findings with peers for assessment and feedback.

Video clips.

Digital devices.

Teacher`s Guide.

Manillas.

Nets of square based pyramids.

Calculators.

Checklists.

Written Assessment

Oral questions.

a)      Identify the formula of calculating the volume of a rectangular based pyramids.

b)      Calculate the volume of a rectangular based pyramids.

c)      Acknowledge the formula and steps for calculating the volume of rectangular based pyramids.

Identify the formula for calculating the volume of a rectangular based pyramid.

Observe teacher as he/she illustrates how to apply the formula in working out the volume of a rectangular based pyramid.

Individually or in pairs,learners to work out volume of rectangular based pyramids in different situations using the identified formula.

Share their findings with peers for assessment and feedback.

Chalkboard & chalks.

Teacher`s Guide.

Checklists.

Written Assessment.

Oral questions.

a)      Identify the formula for calculating the volume of a triangular based pyramid.

b)      Calculate the volume of a triangular based pyramid.

c)      Enjoy working out the volume of triangular based pyramid.

Identify the formula for calculating the volume of a triangular based pyramid.

Observe teacher as he or she illustrates how to calculate the volume of a triangular based pyramid using the identified formula.

Use the formula to calculate the volume of triangular based pyramids using the learnt formula.

Share their findings in class for assessment and feedback.

Teacher`s Guide.

Chalkboard & chalk.

Model of a triangular based pyramid.

Checklists.

Oral questions.

Written Assessment.

a)      Identify the formula for calculating the volume of a cone

b)      Work out the volume of a cone in real life situations.

c)      Acknowledge the formula for calculating the volume of a cone.

Draw a net or model of a cone on manilla papers.

Use digital device to search and watch a video on how to calculate the volume of a cone.

Identify the formula for calculating the volume of a cone.

Apply the formula in working out the volume of cones in different situations.

Chalkboard & charts.

Manillas papers & pencils.

Digital devices.

Video clips.

Checklists.

Written Assessment

Oral questions.

Peer Assessment.

a)      Identify the formula and steps for calculating the volume of frustums.

b)      Determine the volume of a frustum in real life situations.

c)      Show interest to learn how to determine the volume of a frustrum.

Model a frustrum using locally available materials.

Use digital devices to search and watch a clip on determining the volume of a frustum.

Identify the formula for calculating the volume of a frustum.

Collaborate in working out the volume of frustums using the learnt formula.

Share their findings with peers for assessment and feedback.

Video clip.

Digital devices.

Chalkboard & chalks.

Models of frustums.

Calculators.

Checklists.

Written Assessment.

Peer Assessment.

5

a)      Identify the formula for calculating the volume of a sphere.

b)      Calculate the volume of a sphere in real life situations.

c)      Acknowledge the formula for working out the volume of spheres.

Use digital devices to search and watch a video clip on how to find the volume of a sphere.

Identify the formula for calculating the volume of a sphere.

Collaborate in calculating the volume of spheres using the learnt formula.

Share their findings with peers for assessment and feedback.

Video clip.

Digital devices.

Chalkboard & chalks.

Calculators.

Checklists.

Oral questions.

Written Asssessment.

a)      Identify the use of volume of solids in real life situations.

b)      Use digital devices to find out the use of volume of solids in real life situations.

c)      Promote use of volume and capacity of different containers in real life situations.

Brainstorm and present on the use of volume of solids in real life situations.

Use digital devices to search for information on the applications or use of volume of solids in real life situations.

Discuss the use of volume of solids in real life situations and then make a class presentation.

Digital devices.

Checklists.

Assessment rubrics.

Oral presentation.

a)      Identify the instruments and tools used in weighing materials in the locality

b)      Convert units of mass from one form to another in different situations.

c)      Enjoy converting units of mass from one form to another.

discuss the different instruments and tools used in weighing materials or objects and relate to consumer awareness and protection.

Collect and weigh different materials or objects using at least one instrument or tool.

study a conversion chart and discuss how to convert different units of mass from one form to another.

Convert the given units of mass from one form to another in different situations and give feedback for assessment.

How do you convert the different units of mass from one form to another?

Conversion charts.

Electronic balance.

Different materials and objects for weighing.

Lesson notes.

Teacher’s Guide.

Checklists.

Practical Activities.

Written Assessment.

Oral questions.

Peer Assessment.

a)      Define the terms mass and weight and give their SI units.

b)      Relate mass and weight in real life situations.

c)      Acknowledge the relationship between mass and weight.

use a digital device to search for the definition of mass and weight and their SI units and note down in books.

discuss the relationship between mass and weight.

Use selected instruments and tools to measure the mass of objects in kg and in Newton.

Find weight of objects given the mass and vice versa using a formula..

Weighing tools and instruments.

Different objects and materials.

Teacher’s Guide.

Lesson notes.

Assessment rubrics.

Written Assessment.

Oral questions.

Practical activities.

a)      Explain how to determine mass, volume and density in different situations.

b)      Determine mass, volume and density in different situations.

c)      Enjoy carrying out activities relating mass, volume and density using different substances.

discuss how to determine mass, volume and density in different situations.

carry out activities relating mass and volume to density using containers or different substances and record their findings in a table.

identify the formula for calculating the density after getting the mass and volume of a substance.

calculate the density of different objects after getting their mass and volume and then share their findings.

Calculators.

objects;Coins,stones, padlock.

Measuring cylinders.

Electronic balance.

Water.

Recording table.

Checklists.

Assessment rubrics.

Observation schedule.

6

a)      Identify the formula for determining density of objects given mass and volume.

b)      Calculate the density of different objects given the mass and volume in different situations.

c)      Enjoy finding the density of objects given mass and volume.

Identify the formula for finding the density of objects given mass and volume.

practice finding the density given mass and volume using relevant examples.

collaborate in working out the density of objects given the mass and volume using the formula learnt.

share their findings in class for assessment and feedback.

Calculators.

Teacher’s Guide.

Chalkboard and chalks.

Illustration chart.

Written Assessment.

Checklists.

Oral questions.

Peer and self Assessment.

a)      Identify the formula for determining mass of objects given volume and density.

b)      Calculate the mass of objects given volume and density.

c)      Enjoy calculating the mass of objects given volume and density.

Identify the formula for determining the mass of objects given the volume and density.

discuss how to determine mass given the volume and density using relevant examples.

collaborate in using the learnt formula to find the mass of objects given volume and density.

share their findings for assessment and feedback.

Calculators.

Teacher’s Guide.

Chalks and Chalkboard.

Checklists.

Written Assessment.

Oral discussion.

a)      Identify the formula for determining volume given the mass and density.

b)      Calculate the volume given mass and density.

c)      Enjoy finding the volume given mass and density.

identify the formula for determining volume given the mass and density.

observe teacher as he/she illstrates how to find the volume given the mass and density.

Use the learnt formula to find the volume of substances given the mass and density.

share their findings for assessment and feedback.

Teacher’s Guide.

Calculators.

Chalkboard and Chalks.

Written Assessment.

Checklists.

Oral questions.

Peer Assessment.

a)      Identify the uses of density in daily life.

b)      Apply density to real life situations.

c)      Recognize the use of density in daily life.

brainstorm on the applications of density in real life situations.

use digital devices to search online on the applications/uses of density in real life situations and take notes.

discuss the applications of density in real life situations and present in class.

collaborate in applying density to real life situations.

Digital devices.

Lesson notes

Charts.

Oral discussion.

Oral presentation.

Checklists.

a)      Identify the activities that involves measuring distances and time.

b)      Conduct activities that involves measuring distances and time.

c)      Have fun engaging in activities involving measuring distances and time.

brainstorm and present on the activities that involves measuring distances and time.

engage in activities that will involve measuring distances and time e.g running track events to determine speed.

record the distances covered and time taken in a table.

determine the speed taken by each participant using a formula.

Which day to day activities involve measuring distances and time?

Stopwatches.

School Field.

Recording tables.

Calculators.

Checklists.

Portfolios.

Peer Assessment.

7

a)      Identify the formula for calculating speed in km/h in real life situations.

b)      Work out speed in km/h in real life situations.

c)      Appreciate the use of time and distance in real life situations.

discuss and relate distance and time.

identify the formula for formula working out speed in km/h.

apply the formula to work out speed in km/h  in real life situations.

share their findings in class for assessment and feedback.

Calculators.

Teacher’s Guide.

Charts.

Checklists.

Oral questions.

Peer Assessment.

Written Assessment.

a)      Identify the formula for calculating speed in m/s.

b)      Work out speed in m/s in real life situations.

c)      Enjoy working out speed in m/s in real life situations.

identify the formula for calculating speed in m/s.

Use the learnt formula in calculating speed in m/s in real life situations.

share their findings in class for assessment and feedback.

Teacher’s Guide.

Chalkboard and Chalks.

Chart.

Calculators.

Checklists.

Assessment rubrics.

Oral questions.

a)      Identify the formula for working out the average speed in real life situations.

b)      Work out average speed in real life situations.

c)      Acknowledge the formula for finding average speed.

discuss how to find the average speed in different situations.

identify the formula for calculating average speed.

observe the teacher as he/she illustrates how to find average speed using examples and note in exercise books.

Work out the average speed in real life situations using the learnt formula.

Teacher’s Guide.

Chalkboard and chalks.

Calculators.

Checklists.

Peer Assessment.

Oral discussion.

Written tests.

a)      Identify the formula for determining velocity in real life situations.

b)      Determine velocity in real life situations.

c)      Recognize the difference between speed and velocity.

discuss the difference between velocity and speed.

identify the formula for finding the velocity in different situations.

Work out problems involving determining velocity in real life situations and share their findings with peers.

How do determine velocity?

Calculators.

Teacher’s Guide.

Chalkboard and chalks.

Checklists.

Written Assessment.

Oral questions.

Oral discussion.

Peer Assessment.

a)      Identify the formula for calculating acceleration in real life situations.

b)      Work out acceleration in real life situations.

c)      Acknowledge the application of acceleration in real life situations.

discuss the meaning of acceleration and give real life examples.

identify the formula for finding acceleration in different situations.

use digital devices to search and clips illustrating how to calculate acceleration using examples and note down.

Work out problems involving finding acceleration in different situations.

determine acceleration from track events in school.

Calculators.

Teacher’s Guide.

Charts.

Digital device.

Video clip.

Checklists.

Oral questions.

Oral discussion.

Written Assessment.

9

a)      Explain the meaning of longitude.

b)      Use the globe to identify the longitudes of marked points.

c)      Enjoy using globes to identify longitudes of marked points.

brainstorm and present the meaning of longitudes.

use the globe to identify circles that pass through North and south poles.

use the globe to identify the longitudes of marked points.

Globes.

Digital devices

Assessment rubrics.

Peer Assessment.

a)      Identify points that have the same local time.

b)      Relate longitudes to time on the globe.

c)      Enjoy using longitudes to determine points with the same local time.

use digital devices to search the longitude and local time of given towns and fill in a table.

use drawn globes to identify points on the Earth’s surface that have same local time.

use other resources e.g maps to locate different places on the earth and discuss time differences.

present their findings in class for assessment and.

Digital devices.

Teacher’s Guide.

Globes.

Oral questions.

Peer Assessment.

a)      Explain how to determine local time of places on the earth along different longitudes.

b)      Determine local time of places on the earth along different longitudes.

c)      Enjoy determining local time of places on the earth along different longitudes.

discuss how to determine local time of places on the earth along different longitudes.

use digital devices to search and watch an illustration clip on determining local time of places on earth along different longitudes and take notes.

calculate the local time of different places along different longitudes.

share their findings in class for assessment and feedback.

Digital devices.

Video clips.

Lesson notes.

Illustration charts.

Chalks and Chalkboard.

Teacher’s Guide.

Written Assessment.

Oral discussion.

Checklists.

a)      Identify currencies that are used in different countries.

b)      Use digital devices and print resources to search for the different currencies used in different countries.

c)      Acknowledge the currencies used in different countries of the world.

brainstorm and present the currencies used in different countries.

use digital devices to search for currencies used in different countries and compile a list.

collaborate in using IT or newspapers and other print resources to obtain and compile a collage of currencies from different countries.

display their collage in class for assessment and feedback.

Which currencies do you know?

Digital devices.

Magazines.

Newspapers.

pictures of different currencies.

Oral questions.

Checklists.

Portfolios.

Peer Assessment.

a)      Explain how to convert foreign currencies to Kenyan currency using the exchange rates.

b)      Convert foreign currency to Kenyan currency  in real life situations.

c)      Enjoy converting currencies from one form to another in real life situations.

use IT devices to search for exchange rates of some international currencies and draw on charts.

discuss how to convert foreign currency to Kenyan currency.

use exchange rates table to convert foreign currencies to Kenyan currency.

share their findings in class for assessment.

Digital devices.

Exchange rates tables.

Teacher’s Guide.

Calculators.

Checklists.

Written Assessment.

Oral discussion.

Peer Assessment.

1

a)      Explain how to convert Kenyan currency to foreign currency.

b)      Convert Kenyan currency to foreign currency using the exchange rates table.

c)      Enjoy converting Kenyan currency to foreign currency.

discuss how to convert Kenyan currency to foreign currency using exchange rates table.

use the exchange rate table to convert Kenyan currency to foreign currency.

share their findings in class for assessment and feedback.

Exchange rate tables.

Charts.

Digital devices.

Calculators.

Checklists.

Oral questions.

Written Assessment.

a)      Explain the meaning of Export duty charged on goods.

b)      Work out export duties charged on goods in real life situations.

c)      Develop interest in learning how to calculate export duties charged on goods in real life situations.

use IT devices to search for the meaning of export duty and percentage of export duty of different goods and services in Kenya.

discuss how to calculate the export duty of different goods and identify a formula.

calculate the export duties charged on different goods in real life situations.

How do we determine the export duty of different goods in the country?

Calculators.

Teacher’s Guide .

Digital devices.

Lesson notes.

Checklists.

Oral discussion.

Written Assessment.

a)      Define the term import duty.

b)      Work out import duties charged on goods in real life situations.

c)      Acknowledge the benefits of import duties to a country.

use digital devices to search for the meaning of import duty and take note.

search the internet for the percentage of import duty of different goods and services and the examples of goods exempted from import duty in Kenya.

discuss how to calculate the import duty charged on goods and services.

calculate the import duties charged on goods and share their findings.

What is import duty?

Calculators.

Digital devices.

Lesson notes.

Teacher’s Guide.

Checklists.

Written Assessment.

Oral questions.

a)      Explain the meaning of term excise duty.

b)      Work out excise duty charged on goods and services in real life situations.

c)      Acknowledge the goods and services that attract excise duty.

use digital devices to search for the meaning of excise duty and note down.

search for examples of goods that attract excise duty and percentage of exercise duty charged on them.

discuss how to calculate excise duty on goods and services.

calculate excise duty charged on  goods and share their findings for assessment.

How do we calculate the excise duty on goods?

Calculators.

Lesson notes.

Digital devices.

Written Assessment.

Oral questions and discussion.

Checklists.

a)      Explain the meaning of Value-Added Tax.

b)      Calculate value added duty tax charged on goods and services.

c)      Show interest in learning how to calculate VAT on goods and services.

use digital devices to search for information on the meaning of value added tax and goods that attract VAT.

use receipts from shopping to discuss and work out VAT on local goods and services.

collaborate in calculating the VAT charged on goods and services and share their findings for assessment and feedback.

What is Value added tax?

Calculators.

Teacher’s Guide.

Shopping receipts.

Digital devices.

Checklists.

Oral questions.

Oral discussion.

Written Assessment.

a)      Identify arbitrary units used in estimating measurements.

b)      Approximate quantities in measurements in different situations.

c)      Enjoy estimating measurements using arbitrary units.

mention arbitrary units used in estimating measurements.

Carry out activities of measurements of different quantities such as length,area, volume, capacity and mass using arbitrary units.

share their findings in class for comparison with other peers’ finding.

Arbitrary units.

Different objects: Teacher’s desk, football field,Maths Textbook.

Checklists.

Observation schedule.

Oral questions.

Practical Activities.

a)      Explain how error is calculated using estimations and actual measurements of quantities.

b)      Determine errors using estimations and actual measurements of quantities.

c)      Appreciate approximations and errors in real life situations.

discuss how error is calculated using estimations and actual measurements of quantities.

estimate and measure different quantities using appropriate instruments.

compare the estimates and the actual measurements.

calculate the error in different quantities and share their findings with peers.

Calculators.

Measuring instruments.

Teacher’s Guide.

Written Assessment.

Oral questions.

Checklists.

a)      Identify the formula for calculating percentage error.

b)      Determine percentage errors using actual measurements of quantities.

c)      Enjoy working out percentage errors of quantities.

use digital devices to search and watch video clips on calculating percentage error.

identify the formula for determining percentage error from the video clips observed.

work out the percentage error from the estimated and the actual measurements.

share their findings in class for assessment and feedback.

Digital devices.

Calculators.

Digital devices.

Video clip.

Teacher’s Guide.

Checklists.

Written Assessment

Oral questions.

a)      Work out questions on the Mixed Exercise 3.

b)      Embrace teamwork as they work the problems in Mixed Exercise 3.

collaborate in working out the problems in Mixed Exercise 3.

Calculators.

Teacher’s Guide.

Written Assessment.

Portfolios.

a)      Explain the steps to follow when plotting out points on a Cartesian plane.

b)      Plot out points on a Cartesian plane.

c)      Enjoy plotting out points on a Cartesian plane.

discuss the steps to follow in plotting out points on a Cartesian plane.

individually,draw Cartesian planes on graph papers and then plot each of the given points.

write down the coordinates of the plotted points in the graph and share to the class for assessment and feedback.

Graph books.

pencils.

Rulers.

Checklists.

Written Assessment.

Peer and Self Assessment.

1

a)      Explain how to draw a straight line graph given an equation.

b)      Draw a straight line graph given an equation.

c)      Enjoy generating values and drawing straight lines graph.

discuss how to draw straight lines graphs given an equation.

generate a table of values from an equation of a straight line.

plot and join the points to form a straight lines on the Cartesian plane.

share their work with peers for assessment and feedback.

Graph books.

Pencils.

Rulers.

Peer Assessment.

Written Assessment.

Assessment rubrics.

a)      Outline the steps for drawing parallel lines on a Cartesian plane.

b)      Draw parallel lines on the Cartesian plane.

c)      Enjoy drawing parallel lines on a Cartesian plane given equations.

discuss the steps for drawing parallel lines on a Cartesian plane.

generate table of values for each of the given equations.

plot and join the lines to form straight lines on the Cartesian plane.

use a set square to determine the distance between the two lines at two different positions.

Top Scholar Maths pg 157-158.

Rulers.

Pencils.

Checklists.

Written Assessment.

a)      Define the term parallel lines.

b)      Relate the gradients of parallel lines.

c)      Acknowledge the relationship of the gradients to the parallel lines.

generate a table of values for the given equations and determine the gradient of the straight line.

Work out the gradients of each of the lines and compare them to establish their relationship of parallelism.

Rulers.

Graphs

Pencils

Checklists.

Peer Assessment.

Written Assessment.

a)      Outline the steps for drawing perpendicular lines on the Cartesian plane.

b)      Draw perpendicular lines on the Cartesian plane.

c)      Enjoy drawing perpendicular lines on the Cartesian plane.

discuss the steps for drawing perpendicular lines on Cartesian plane.

generate table of values for each of the given equations of perpendicular lines.

plot and join the lines to form straight lines on the Cartesian plane.

measure the angle at the point of intersection of the two lines and state whether the two lines are perpendicular.

Rulers.

Graphs books.

Pencils.

Written Assessment.

Checklists.

Peer Assessment.

a)      Relate the gradients of perpendicular lines.

b)      Apply graphs of straight lines in real life situations.

c)      Acknowledge the application of straight lines in real life situations.

generate a table of values for given linear equations and then draw a straight line using the table of values.

work out the gradients of each of the lines and compare them to establish the relationship of perpendicular lines.

discuss situations in real life that can be represented using straight line graphs.

apply graphs of straight lines in real life situations.

Graph books.

pencils.

Rulers

Checklists.

Peer Assessment.

Oral discussion.