In this activity, we will be solving multiplication problems using pictures to help.
Look at the diagram. It shows a multiplication problem.
There are two rows with five people in each row.
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Also, there are five columns with two people in each column.
We could write two different multiplication calculations for this picture:
2 × 5 = 10
5 × 2 = 10
It doesn't matter which way round we write the numbers, as multiplication is commutative.
This means it can be done in any order.
Let's try an example question together.
Example
There are 3 rows.
There are 2 seats in each row.
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How many seats are there?
Answer
We could write two different multiplication calculations for this picture:
2 × 3 = 6
3 × 2 = 6
Got that?
Now it's your turn to complete some questions like this.