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Year 1 Fractions - Halves
If something is halved it is divided into two equally sized parts.

Year 1 Fractions - Halves

In KS1 Maths, a half means two equal parts. We split shapes, sets, or numbers into two, then check both parts match exactly.

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Fascinating Fact:

Colour half of a rectangle. Check both coloured and uncoloured parts are equal.

In KS1 Maths, a fraction shows equal parts of a whole. A half is one of two equal parts, written as 1/2. Practise fair sharing and quick splits, then try our Division Game to see how halving links to sharing into two equal groups.

  • Fraction: A way to show equal parts of a whole, like halves or quarters.
  • Half (1/2): One of two equal parts of a shape, set, or number.
  • Equal parts: Parts that are exactly the same size or amount.
What is a half in Year 1 maths?

A half is one of two equal parts. If a pizza is cut into two same-size pieces, each piece is a half.

How do I check if I have coloured half a shape?

Fold or imagine a fold down the middle. If the coloured and uncoloured parts match exactly, you have coloured a half.

Can I find half of a number in Year 1?

Yes. Share the items into two equal groups. If each group has the same amount, that amount is half of the number.

Question 1
Yes, there is a line down the middle
Yes, it has been shared between two people
Yes, there are two pieces
No, the two pieces aren’t the same size
Halves of a shape must be identical
Question 2
6
12
14
24
12 ÷ 2 = 6, so half of 12 is 6
Question 3
14
10
16
9
Half of 10 is 5, half of 8 is 4. 5 + 4 = 9
Question 4
Cut it into 4 slices
Cut it into 2 equal parts
Share it with some friends
Eat some quickly
The two halves should be exactly the same size
Question 5
Cut some out
Share them into two equal groups
Put them into 4 piles
Put them in a bag
Each group should have exactly the same number of stars
Question 6
16
14
22
10
Sharing 20 into two equal groups would give 10 in each group
Question 7
7
6
5
10
Half of 14 is 7
Question 8
2
16
6
4
Using half of the eggs would be the same as using one box only
Question 9
Subtracting 2
Adding 2
Multiplying by 2
Dividing by 2
Halving means sharing into 2 equal groups or parts
Question 10
8
5
20
35
10 shared into 2 equal groups gives 5 in each group, so half of 10 is 5
You can find more about this topic by visiting BBC Bitesize - Fractions

Author:  Angela Smith (Primary School Teacher & KS1 Quiz Writer)

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