Even and Odd Numbers
⭐ MasteredEven numbers can be divided by 2 with nothing left over and end in 0, 2, 4, 6 or 8. Odd numbers end in 1, 3, 5, 7 or 9.
Even + even always equals even.
All about Even and Odd Numbers
Even numbers can be divided into two equal groups with none left over. They end in 0, 2, 4, 6 or 8. Odd numbers always have one left over when divided by two and end in 1, 3, 5, 7 or 9.
Adding two even numbers gives an even number, and adding two odd numbers also gives an even number. Adding an odd and an even number gives an odd number. Spotting these patterns helps you check answers quickly.
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Real-life uses of Even and Odd Numbers
- Pairing players for a game of two-a-side
- Checking whether a number is divisible by two
- Spotting patterns in number puzzles
Frequently asked questions about Even and Odd Numbers
Is 0 an even number?
Yes. Zero can be split into two equal groups of zero, so it is even.
Are negative numbers even or odd?
They can be either. −4 is even and −3 is odd, because the same rules apply to their sizes.
Is there an easy way to tell if a big number is even?
Look at the last digit only. If it is 0, 2, 4, 6 or 8, the whole number is even.