Solve problems using a part-whole model to represent a whole partitioned into more than two parts | Maths

Starter quiz

How many cubes are in the whole?

1

2

4

7 ✓
How many cubes are in the missing part?

1 ✓

2

4

6
Sofia has 5 counters, Lucas has 3 counters and Jacob has 2 counters. Which part-whole model is showing their counters?
Sofia has 2 counters, Lucas has 2 counters and Jacob has 1 counter. Which part-whole model is showing their counters?
The whole is 6. Sofia has 2 counters and Lucas has 2 counters. How many counters does Jacob have?

2 ✓

3

4

6
The whole is 8. Sofia has 5 counters and Lucas has 2 counters. How many counters does Jacob have?

1 ✓

2

5

8

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A whole group can be split into more than 2 parts and the parts may look different.
Make up a story that represents partitioning into three or more parts.

Children may get confused between the parts and the whole.

Ask the children 'What does this number represent?' and encourage them to use the stem sentences to justify their answers.

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.