Summary
Explains what makes a number even or odd by pairing objects up. If everything has a partner it's even; if one is left over it's odd.
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All ages
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Teaching resources
Discussion questions
Talk about it
Pair up the objects two by two. No leftover means the number is even; one leftover means it is odd.
- Is 10 even or odd? How could you prove it with pairs?
- What is left over when you pair up 7 objects?
- What do you notice about the last digit of every even number?
Quick work-a-long
Vocabulary: even, odd, pair, leftover.
Try it: Grab a handful of counters. Pair them up. Is your number even or odd? Try again with a different handful.