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matematik, mathematics

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INTERVENSIMASSTOPIC 8
Learning Area:Learning Objective:Learning Outcome:Computation of MassUse and apply fractional computation to problems involving mass.Solve problem in real context involving computation of mass.Step 1: Pupils weigh objects given to themSet Induction – Weighing objects with round figure measurement
.
1. Teacher distributes object to each group.2. Teacher asks pupils to weigh the object.3. Teacher asks pupils to read out their measurement.
Teaching Aids
Weighing scale, objectsDuration: 1 hour Expected answers from pupils:
1. Apples, box, book, a box of erasers2. As measurement shown on the scale
Step 2: Teacher explains the way of reading the weighing scale.
Pupils’ Activity:Pupils identify theunit on theweighing scale.Pupils answer questions basedon weighing scale
Pupils’ Activity:Pupils weighobjects given tothem
Notes To Teachers:
Make sure the weights of the objects are of whole value number.
Notes To Teachers:
Make sure the weights of the objects are of whole value number.
Teacher’s Instruction:
1. What object are you weighing?2. What is the weight?
Teacher’s Instruction:
1. Look at the weighing scale.2. What is the unit shown?3. How many graduations are therebetween 0 to 200?4. Can you tell me the value of each graduation?5. Now, look at the pointer on the weighing scale.6. Can anybody tell me the mass of theobjects shown.
Expected answers from pupils:
2. The unit shown is gram3. 24. 100 grams6. 500 grams
INTERVENSIMASSTOPIC 8
Step 3: Teacher explainshow to solve problems.
Pupils’ Activity
Pupils read the questionPupils highlight key words.Pupils listen to teacher’sexplanation
Notes To Teachers:
The sample question is the first question on the worksheet.
Teacher’s Instruction:
1. Read the question.2. What are the key words?3. What is the first thing you must do?4. What is the weight of one box?5. Teacher emphasises the required unit inthe question.6. Teacher shows how to calculate.
Expected answers from pupils:
1. Pupils read.2. Weight of 3 boxes3. Read the weighing scale.4. 1 200 g / 1.2 kg
Step4: Teacher distributes worksheet and asks pupils to solve.
1
INTERVENSIMASSTOPIC 8
WORKSHEET 1
1 Diagram 1 shows the weight of a box.Diagram 1Calculate the weight of 3 1 boxes of the same mass.
2.
Calculate the total mass, in grams, of 1 box P and 21 box Q with the same mass.
INTERVENSIMASSTOPIC 8
3.
Diagram 2 shows the weight of a packet of sugar.
Diagram 2
Calculate the total weight of 2 1 packets of sugar of the same mass.4. Diagram 3 shows the weight of a papaya.
Diagram 3
If a watermelon which mass is 5 1more than the papaya.What is the weight, in kg, of both the fruits?
( 3 marks )

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