Starter quiz
- Is 10 the whole or a part?
- whole ✓
- part
-
- Is 4 the whole or a part?
- whole
- part ✓
-
- What is the whole?
- 3
- 4
- 6 ✓
- 9
-
- What is the missing part?
- 2
- 4
- 6 ✓
- 10
-
- Which part-whole model is showing Sam’s counters correctly partitioned?
- Which part-whole model is showing Jun's counters correctly partitioned?
Exit quiz
- Jun thinks that the whole will be bigger than the parts. Is he right?
- Yes ✓
- No
-
- How many cubes are in the whole?
- 2
- 4
- 6
- 8 ✓
-
- How many cubes are in each part?
- 1 ✓
- 2
- 3
-
- Sam thinks the whole will be 8. Is this correct?
- Yes
- No ✓
-
- Jun thinks the whole will be 8. Is this correct?
- Yes ✓
- No
-
- Sam has 3 counters, Jun has 2 counters and Alex has 1 counter. Which part-whole model is showing their counters?
Worksheet
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Presentation
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Lesson Details
Key learning points
- Draw attention to the fact that each part is smaller than the whole.
- Partition objects into 3 parts in as many ways as possible.
Common misconception
Children may not realise that a whole can be split in different ways and into more than two parts.
Provide lots of practical partitioning and recombining of objects and record on a part-whole model in different orientations.
Keywords
Whole - All of something. Complete.
Part - A piece of a whole.
Partition - To break up a whole into parts.
Part-whole model - A pictorial representation that shows the whole and its parts.
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