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Even and odd numbers to 20
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Learn it Even numbers can be shared into 2 equal groups (pairs) with none left over: 2, 4, 6, 8, 10 … Odd numbers have one left over: 1, 3, 5, 7, 9 …
Example: Is 7 even or odd?
- Make pairs: 7 = 3 pairs and 1 left over.
- One is left over, so 7 is odd.
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