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In this activity, we will be looking at division by sharing equally using pictures and arrays.
We will be counting in 2s, 5s and 10s.
When we share equally, it means that every group must have exactly the same number.
We use this sign ÷ to show when we have shared equally.
We can think of the division sign as meaning 'shared by'.
Above, we have 2 groups of 10 frogs. Let's look at the division number sentence.
The first number will be the total number of frogs.
We have started with 20 frogs altogether and shared them into equal groups of 10. This is 20 shared by 10:
20 ÷ 10 =
To find the answer, we just need to work out how many equal groups of 10 were made. There are 2, so we write:
20 ÷ 10 = 2
We can also use arrays to help us work out division number sentences. Let's have a look at how this array can help us:
To write a division number sentence for this array, we start with the total number of hippos, which is 15.
We then use our division sign: 15 ÷
How many hippos are in each row? There are 5. This means the hippos have been grouped into 5s.
The 15 hippos have been shared into groups of 5:
15 ÷ 5 =
All we need to do now is work out the answer! Once the hippos have been grouped into groups of 5, how many groups have been made?
We can count down the rows of 5 - there are 3 rows. This means that 15 shared into equal groups of 5 equals 3:
15 ÷ 5 = 3
That's all there is to it!
Are you ready to have a go at some division questions?
