MEASUREMENTS

Acceleration

By the end of the lesson, the learner should be able to:
-Define the term acceleration and state its units.
Demonstrate how to work out problems on acceleration.
Work out problems on acceleration.
Appreciate working out problems on acceleration.

-Define acceleration and identify its units.
-Work out various examples involving acceleration.
-Interpret speed time graphs to get acceleration.
-Working more problems involving acceleration.

-When is a body said to be accelerating?

-Mentors Mathematics learners book grade 9 page 132-134.
-A chart on worked examples on calculations involving acceleration.

-Written exercise. -Oral question.

MEASUREMENTS

Acceleration

By the end of the lesson, the learner should be able to:
-Define the term acceleration and state its units.
Demonstrate how to work out problems on acceleration.
Work out problems on acceleration.
Appreciate working out problems on acceleration.

-Define acceleration and identify its units.
-Work out various examples involving acceleration.
-Interpret speed time graphs to get acceleration.
-Working more problems involving acceleration.

-When is a body said to be accelerating?

-Mentors Mathematics learners book grade 9 page 132-134.
-A chart on worked examples on calculations involving acceleration.

-Written exercise. -Oral question.

MEASUREMENTS

Acceleration

By the end of the lesson, the learner should be able to:
-Work out different questions on acceleration.
-Graphically interpreting questions on acceleration.

-Working out more problems on acceleration.
-Interpreting the graphs and working out acceleration related questions.
-Plotting graphs for accelerating bodies.

-When is a body said to be accelerating?

-Mentors Mathematics learners book grade 9 page 132-134.
-A chart on worked examples on calculations involving acceleration.
-Graphs on Velocity against time.

-Written exercise. -Oral question.

MEASUREMENTS

Acceleration

By the end of the lesson, the learner should be able to:
-Work out different questions on acceleration.
-Graphically interpreting questions on acceleration.

-Working out more problems on acceleration.
-Interpreting the graphs and working out acceleration related questions.
-Plotting graphs for accelerating bodies.

-When is a body said to be accelerating?

-Mentors Mathematics learners book grade 9 page 132-134.
-A chart on worked examples on calculations involving acceleration.
-Graphs on Velocity against time.

-Written exercise. -Oral question.

MEASUREMENTS

Longitudes.

By the end of the lesson, the learner should be able to:
-Identify the longitudes on the globe.
-Relate longitude to the time on the globe.
-Search from digital devices on more information about longitudes.
-Work out problems involving longitudes.
-Appreciate identifying longitudes from the globe.

In groups or pairs, learners are guided to;
-Identify longitudes on the globe.
-Relating longitudes to the time on the globe.
-Search from internet on more information on longitudes.
-Work out problems on longitudes.

-What is a longitude?

-Mentors Mathematics learners book grade 9 page 135-136.
-A chart on worked examples on calculations involving longitudes.
-A Globe.
-A pointer.
-A laptop

-Written exercise. -Oral question.

MEASUREMENTS

Relating longitudes to time

By the end of the lesson, the learner should be able to:
-Explaining the cause of day and night.
-Discuss the concept of day and night.
-Relating to time on the globe.
-Work out problems involving relationship between longitude and time.

In groups or pairs, learners are guided to;
-Explain the causes of day and night.
-Discuss the concept of rotation of earth and its effect.
-Relate longitude to time on the globe.
-Work out problems involving relationship of longitudes and time.

-How do longitude relate to time?

-Mentors Mathematics learners book grade 9 page 137-138.
-A chart on worked examples on calculations involving longitudes.
-A Globe.
-A pointer.

-Written exercise. -Oral question.

MEASUREMENTS

Relating longitudes to time

By the end of the lesson, the learner should be able to:
-Explaining the cause of day and night.
-Discuss the concept of day and night.
-Relating to time on the globe.
-Work out problems involving relationship between longitude and time.

In groups or pairs, learners are guided to;
-Explain the causes of day and night.
-Discuss the concept of rotation of earth and its effect.
-Relate longitude to time on the globe.
-Work out problems involving relationship of longitudes and time.

-How do longitude relate to time?

-Mentors Mathematics learners book grade 9 page 137-138.
-A chart on worked examples on calculations involving longitudes.
-A Globe.
-A pointer.

-Written exercise. -Oral question.

MEASUREMENTS

Local time of places on earth along different longitudes

By the end of the lesson, the learner should be able to:
-Determine local time of places on earth along different longitudes.
-Demonstrate how time is calculated using longitudes.
-Appreciate calculating time using longitudes.

-Determine local time of places on earth along different longitudes.
-Demonstrate how time is calculated using longitudes.
-Working more exercises on calculation of time using longitudes.

-How does change in longitude cause time difference?

-Mentors Mathematics learners book grade 9 page 138-140.
-A chart on worked examples on calculations involving longitudes.
-A Globe.
-A pointer.
-Black board illustrations.

-Written exercise. -Oral question.

MEASUREMENTS

Local time of places on earth along different longitudes

By the end of the lesson, the learner should be able to:
-Determine local time of places on earth along different longitudes.
-Demonstrate how time is calculated using longitudes.
-Appreciate calculating time using longitudes.

-Determine local time of places on earth along different longitudes.
-Demonstrate how time is calculated using longitudes.
-Working more exercises on calculation of time using longitudes.

-How does change in longitude cause time difference?

-Mentors Mathematics learners book grade 9 page 138-140.
-A chart on worked examples on calculations involving longitudes.
-A Globe.
-A pointer.
-Black board illustrations.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Identify currencies used in different countries.
-Collaboratively use different print materials or digital devices to search for images of different currencies and use them to make a collage of currencies.
-Discuss and identify currencies shown on the chart.
-Appreciate different currencies used in different countries.

-Identify currencies used in different countries.
-Collaboratively use different print materials or digital devices to search for images of different currencies and use them to make a collage of currencies.
-Discuss and identify currencies shown on the chart.

-How did people used to buy goods and services long time ago? -What is currency?

-Mentors Mathematics learners book grade 9 page 142-143.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Appreciate comparing own country currency with other country currencies in real life situation.

-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Solving more problems relating to currencies and exchange rates.

-What happens to ones’s currency when one move from one country to the other?

-Mentors Mathematics learners book grade 9 page 143-145.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Appreciate comparing own country currency with other country currencies in real life situation.

-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Solving more problems relating to currencies and exchange rates.

-What happens to ones’s currency when one move from one country to the other?

-Mentors Mathematics learners book grade 9 page 143-145.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Appreciate comparing own country currency with other country currencies in real life situation.

-Converting currencies from one form to the other.
-Discuss on exchange rates.
-Work out problems on exchange rates.
-Solving more problems relating to currencies and exchange rates.

-What happens to ones’s currency when one move from one country to the other?

-Mentors Mathematics learners book grade 9 page 143-145.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
- Determine export and import duties charged on goods and services in real life situation.
-Discuss local goods that attracts exercise duty.
-Determine exercise duty on goods and services.

- Determine export and import duties charged on goods and services in real life situation.
-Discuss local goods that attracts exercise duty.
-Determine exercise duty on goods and services.
-Work out problems on import duties, export duties and exercise duty on goods and services.

-What is import duty? -What is export duty? -What is exercise duty? -Who receives the import duty, export duty and exercise duty?

-Mentors Mathematics learners book grade 9 page 147-149.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
- Determine export and import duties charged on goods and services in real life situation.
-Discuss local goods that attracts exercise duty.
-Determine exercise duty on goods and services.

- Determine export and import duties charged on goods and services in real life situation.
-Discuss local goods that attracts exercise duty.
-Determine exercise duty on goods and services.
-Work out problems on import duties, export duties and exercise duty on goods and services.

-What is import duty? -What is export duty? -What is exercise duty? -Who receives the import duty, export duty and exercise duty?

-Mentors Mathematics learners book grade 9 page 147-149.
-Different paper cut outs on currencies.
-Black board illustrations.
-Paper cut outs on currencies from different countries.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Define value added tax (VAT).
-Determine value added tax charged from local goods.
-Discuss the importance of value added tax.
-Appreciate the importance of importance tax in ones country.

-Define value added tax (VAT).
-Determine value added tax charged from local goods.
-Discuss the importance of value added tax.
-Obtain receipts from shopping or other resources to discuss and work out Value added tax(VAT).
-Search from digital devices and work out VAT of imported goods.

-What is the function of Value added tax? -Who collects VAT?

-Mentors Mathematics learners book grade 9 page 153-155.
-Different paper cut outs on currencies.
-Black board illustrations.
-Receipts.

-Written exercise. -Oral question.

MEASUREMENTS

Approximation and errors.

By the end of the lesson, the learner should be able to:
-Approximate quantities in measurements in different situations.
-Determine errors using estimations and actual measurements.
-Appreciate working out problems on errors approximation.

-Carrying out activities of measurements of different quantities such as length, area, volume, capacity and mass using arbitrary units.
-Estimate and measure different quantities using appropriate instruments.
-Compare estimates and the actual measurements and determine the error.

-How do we estimate measurements of different quantities?

-Mentors Mathematics learners book grade 9 page 153-155.
-Different paper cut outs on currencies.
-Black board illustrations.
-Receipts.

-Written exercise. -Oral question.

MEASUREMENTS

Approximation and errors.

By the end of the lesson, the learner should be able to:
-Approximate quantities in measurements in different situations.
-Determine errors using estimations and actual measurements.
-Appreciate working out problems on errors approximation.

-Carrying out activities of measurements of different quantities such as length, area, volume, capacity and mass using arbitrary units.
-Estimate and measure different quantities using appropriate instruments.
-Compare estimates and the actual measurements and determine the error.

-How do we estimate measurements of different quantities?

-Mentors Mathematics learners book grade 9 page 153-155.
-Different paper cut outs on currencies.
-Black board illustrations.
-Receipts.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Determine percentage errors using actual measurements of quantities.
-Work out problems on percentage errors.
-Appreciate approximations and errors in real life situations.

-Work out the percentage error from the estimated and the actual measurements.
-Work out errors using digital devices or other resources and relate to consumer awareness.

-How do we estimate measurements of different quantities?

-Mentors Mathematics learners book grade 9 page 158-164.
-Different paper cut outs on currencies.
-Black board illustrations.
-Receipts.

-Written exercise. -Oral question.

MEASUREMENTS

Money

By the end of the lesson, the learner should be able to:
-Determine percentage errors using actual measurements of quantities.
-Work out problems on percentage errors.
-Appreciate approximations and errors in real life situations.

-Work out the percentage error from the estimated and the actual measurements.
-Work out errors using digital devices or other resources and relate to consumer awareness.

-How do we estimate measurements of different quantities?

-Mentors Mathematics learners book grade 9 page 158-164.
-Different paper cut outs on currencies.
-Black board illustrations.
-Receipts.

-Written exercise. -Oral question.

GEOMETRY

Co-ordinates and graphs.

By the end of the lesson, the learner should be able to:
-Identify the vertical and horizontal axes.
-Plotting a straight line Y=Mx+C
-Plot out points on a Cartesian plane.
-Show genuine interest in plotting points on a Cartesian plot.

In groups or pairs, learners are guided to;
-Identify vertical(y-axis) and horizontal(x-axis) on the Cartesian plane.
-Plot out points on a Cartesian plane to make a straight line.
-Locate the points (y coordinates and x-coordinates on a Cartesian plane).

-How do we plot on a Cartesian plane?

-Mentors Mathematics learners book grade 9 page 166-168.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Co-ordinates and graphs.

By the end of the lesson, the learner should be able to:
-Identify the vertical and horizontal axes.
-Plotting a straight line Y=Mx+C
-Plot out points on a Cartesian plane.
-Show genuine interest in plotting points on a Cartesian plot.

In groups or pairs, learners are guided to;
-Identify vertical(y-axis) and horizontal(x-axis) on the Cartesian plane.
-Plot out points on a Cartesian plane to make a straight line.
-Locate the points (y coordinates and x-coordinates on a Cartesian plane).

-How do we plot on a Cartesian plane?

-Mentors Mathematics learners book grade 9 page 166-168.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Co-ordinates and graphs

By the end of the lesson, the learner should be able to:
-Plotting parallel lines on a Cartesian plane.
-Draw parallel lines on a Cartesian plane.
-Relate gradients of parallel lines.
-Appreciate drawing parallel lines and relating their gradients.
Note;Gradient for parallel lines are equal.

-Plotting parallel lines on a Cartesian plane by devising table of values.
-Draw parallel lines on a Cartesian plane from the table of values.
-Relate gradients of parallel lines.

-How is gradient of parallel lines related?

-Mentors Mathematics learners book grade 9 page 168-172.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Co-ordinates and graphs

By the end of the lesson, the learner should be able to:
-Plotting parallel lines on a Cartesian plane.
-Draw parallel lines on a Cartesian plane.
-Relate gradients of parallel lines.
-Appreciate drawing parallel lines and relating their gradients.
Note;Gradient for parallel lines are equal.

-Plotting parallel lines on a Cartesian plane by devising table of values.
-Draw parallel lines on a Cartesian plane from the table of values.
-Relate gradients of parallel lines.

-How is gradient of parallel lines related?

-Mentors Mathematics learners book grade 9 page 168-172.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Co-ordinates and graphs

By the end of the lesson, the learner should be able to:
-Plotting perpendicular lines on a Cartesian plane.
-Draw perpendicular lines on a Cartesian plane.
-Relate gradients of perpendicular lines.
-Appreciate drawing perpendicular lines and relating their gradients.
Note;Gradient for perpendicular lines are M1×M2= -1.

-Plotting perpendicular lines on a Cartesian plane by devising table of values.
-Draw perpendicular lines on a Cartesian plane from the table of values.
-Relate gradients of perpendicular lines.

-How are gradient of perpendicular lines related?

-Mentors Mathematics learners book grade 9 page 172-174.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Scale drawing

By the end of the lesson, the learner should be able to:
Identify compass and true bearing in real life situation.
-Determine the bearing of a point from another in real life situation.
-Appreciate determining the bearing of a point in real life situation.

-Draw and discuss the compass directions and relate to the compass and true north bearings.
-Discuss and locate place from different points using bearings.
-Discuss and locate places using bearing and distance.
-Sketch and use a scale drawing to show the position of places from given points.

-How do we use scale drawing in real life situation?

-Mentors Mathematics learners book grade 9 page 180-184.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Scale drawing

By the end of the lesson, the learner should be able to:
Identify compass and true bearing in real life situation.
-Determine the bearing of a point from another in real life situation.
-Appreciate determining the bearing of a point in real life situation.

-Draw and discuss the compass directions and relate to the compass and true north bearings.
-Discuss and locate place from different points using bearings.
-Discuss and locate places using bearing and distance.
-Sketch and use a scale drawing to show the position of places from given points.

-How do we use scale drawing in real life situation?

-Mentors Mathematics learners book grade 9 page 180-184.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Scale drawing

By the end of the lesson, the learner should be able to:
Identify compass and true bearing in real life situation.
-Determine the bearing of a point from another in real life situation.
-Appreciate determining the bearing of a point in real life situation.

-Draw and discuss the compass directions and relate to the compass and true north bearings.
-Discuss and locate place from different points using bearings.
-Discuss and locate places using bearing and distance.
-Sketch and use a scale drawing to show the position of places from given points.

-How do we use scale drawing in real life situation?

-Mentors Mathematics learners book grade 9 page 180-184.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.

GEOMETRY

Scale drawing

By the end of the lesson, the learner should be able to:
Identify compass and true bearing in real life situation.
-Determine the bearing of a point from another in real life situation.
-Appreciate determining the bearing of a point in real life situation.

-Draw and discuss the compass directions and relate to the compass and true north bearings.
-Discuss and locate place from different points using bearings.
-Discuss and locate places using bearing and distance.
-Sketch and use a scale drawing to show the position of places from given points.

-How do we use scale drawing in real life situation?

-Mentors Mathematics learners book grade 9 page 180-184.
-Different paper cut outs on currencies.
-Black board illustrations.
-A Cartesian plane.
-A geometrical set.
-A Pencil

-Written exercise. -Oral question.