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Year 2 Numbers - Odd or Even
Even numbers can all be divided by 2 - odd numbers cannot.

Year 2 Numbers - Odd or Even

Learn to spot odd and even numbers. Make quick checks with pairing, share into twos, and decide if a number splits fairly or leaves one out.

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Fascinating Fact:

Share into 2. 12 sweets shared between 2 children is 6 each, so 12 is even. 13 shares as 6 each and 1 left, so odd.

In KS1 Maths, we test numbers by making pairs. If everything pairs into twos, the number is even. If one is left over, it is odd. Digits 0, 2, 4, 6, 8 show even endings.

  • Odd number: A number that cannot be shared into two equal groups without a leftover.
  • Even number: A number that can be shared into two equal groups with nothing left over.
  • Pair: Two things grouped together, like two counters or two socks.

Try the Numeracy Game to practise pairing, counting in twos, and spotting odd or even endings.

How do I know if a number is even?

Check the last digit. If it ends in 0, 2, 4, 6, or 8, it is even. You can also try pairing objects into twos with nothing left over.

Is zero odd or even for KS1?

Zero is even because it fits the rule for even numbers. It can be divided into two equal groups of zero with nothing left over.

What trick helps with large numbers to check odd or even?

Look only at the last digit. If the last digit is odd, the whole number is odd. If the last digit is even, the whole number is even.

Question 1
Which set of numbers is the odd one out?
16, 28, 36, 54
10, 30, 44, 68
13, 91, 103, 121
18, 74, 82, 104
The other sets are even, this set contains only odd numbers
Question 2
Which set contains an odd number?
26, 88, 104, 268
54, 67, 108, 234
22, 64, 120, 238
44, 50, 82, 156
67 ends with a '7' and is odd
Question 3
Which number isn't even?
27
36
82
90
Even numbers always end with 2, 4, 6, 8 or 0
Question 4
What is wrong with this sequence: 107, 109, 110, 111, 113, 115
Some numbers have a zero digit
The numbers all have 3 digits
It is too long
It contains an even number
The sequence is all odd numbers, apart from 110, which is even
Question 5
What are the next two numbers in this sequence: 33, 35, 37, 39
34, 36
36, 38
40, 41
41, 43
The sequence is made up of odd numbers
Question 6
If you add an even and an odd number together, the answer is always...
an even number
a number higher than 7
a number lower than 12
an odd number
For example, 5 + 4 = 9 or 15 + 10 = 25
Question 7
When you add two even numbers together, the result is always...
an odd number
an even number
a number higher than 10
a number less than 50
Adding two odd numbers also results in an even answer
Question 8
Which statement is true?
Even numbers are all larger than 10
Odd numbers are sometimes in the 2 times table
Even numbers always end with 2, 4, 6, 8 or 0
Odd numbers always end with 3
Odd numbers end with 1, 3, 5, 7 or 9
Question 9
Which is the next number in this sequence: 15, 17, 19, ?
18
20
21
23
The numbers are all odd, and are going up in twos
Question 10
Even numbers can always be...
divided equally by 2
larger than odd numbers
smaller than odd numbers
divided equally by 3
Even numbers can be divided by two and give a whole number as an answer
You can find more about this topic by visiting BBC Bitesize - What are odd and even numbers?

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

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