Weight
Subject :Mathematics
Topic :Weight
Class : Primary 2
Term :Third Term
Week :Week 4
Instructional Materials :
Scales, bathroom weight or scale
Previous Knowledge :The pupils have been taught measurement
Behavioural Objectives : At the end of the lesson, the pupils should be able to
Have the idea of weight
Compare weight of objects
Content :
Meaning of Weight Instruments for measuring weight
Comparing weights of objects
The weights of objects is defined as the heaviness or lightness of objects.
We can compare weights of objects by lifting them up to know which is heavier or lighter.
Instruments used for measuring weights of objects
The instruments used for measuring weights of objects are:
- Simple balance scale: The simple balance scale is used to compare the weights of two objects at the same time.
- The weighing pan scale: This is used for weighing objects in the market or coldroom where frozen foods are sold.e.g fish, chicken, etc.
- The bathroom scale:This is used to measure the weights of children.The weights of children can be measured by stepping bare footedly on the bathroom scale.
Comparison of weights:
We compare weights of objects by lifting them up to know which is heavier or lighter.
Example,The bucket of water is heavier than the packet of pencils.
Evaluation Questions:
Copy and complete the following using “heavier than or lighter than”
Examples
A box is (lighter than) a school bag.
A fan is (heavier than) a plate.
A bucket of sand is heavier than cup of sand
A man is heavier than a baby
A bag of cement is heavier than bottle of water
A feather is lighter than a stone
A ruler is lighter than a boot
Presentation
The topic is presented step by step
Step 1: The class teacher revises the previous topics
Step 2. He introduces the new topic
Step 3: The class teacher allows the pupils to give their own examples and he corrects them when the needs arise
Evaluation :
Copy and complete the following using “heavier than or lighter than”
Examples
A box is (lighter than) a school bag.
A fan is (heavier than) a plate.
- A television is ______________ a radio.
- An eraser is ______________ a hammer.
- A table is _______________ a stapling machine.
- A towel is _____________ a desk.
- A stone is _______________ the dice.
- An Orange is _____________ a dog.
- A basket of tomatoes is _______________ an egg.
Conclusion :
He goes round to mark
Assignment :
Write out four objects that are heavier than a ruler