Use knowledge of multiplication to solve problems | Maths

Starter quiz

Jacob is skip counting in 2s. What number comes next? 2, 4, 6, 8, ______

'10' ✓
Here are Jacob’s 2 p coins. Tick the set that shows 16 p.
There are 6, 10 p coins. What is the number we will skip count in to find the total amount?

2

5

6

10 ✓
There are eight, 2 p coins. What multiplication equation can you write to find out the total value of the eight coins?

2 × 2 =

8 × 2 = ✓

8 × 8 =

10 × 2 =
Alex has drawn a picture. Select the correct multiplication equation which represents this correctly.

5 × 5 =

5 × 6 =

4 × 4 =

4 × 5 = ✓
Alex has drawn a picture. Select the correct multiplication equation which represents this correctly.

8 × 6 =

8 × 5 = ✓

8 × 8 =

5 × 5 =

Exit quiz

Look at the image. What is the group size? The group size is ______

'5' ✓
Look at the image. How many groups of books can you see?

'6' ✓
Look at the image, which of the following will you be able to skip count in to find the total amount of books.

Set A

Set B ✓

Set C ✓

Set D
Jacob’s mum bought 2 groups of 3 books, which is 6 books altogether. Identify the factors in this story.

6 and 3

2 and 3 ✓

6 and 2

2 and 3 and 6
Look at the image below. Calculate the product. 4 × 5 = ______

'20' ✓
Look at the question. Choose the right equation to help solve the problem. Jacob buys ___ packs of 5 books. He has 25 books altogether. How many packs did he buy?

___ × 25 = 5

___ × 5 = 25 ✓

___ × 5 = ___

Worksheet

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Lesson Details

Key learning points

Identify the group size and the number of groups in the problem.
If you know the factors you can calculate the product.
You can skip count in the group size to calculate the product.

Common misconception

Children may confuse group size and number of groups.

Clearly model the number of groups by demarcating groups where possible and using familiar stem sentences such as 'There are ___ groups.' Then, move onto identifying the amount of items / objects in each group. 'There are ___ in each group.'

Keywords

Skip count - Counting in steps of equal size. For example, skip counting in twos means to count in equal steps of two.