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You can add numbers in any order and get the same answer.

You can add numbers in any order and get the same answer.

It does not matter which number goes first. 2 + 3 makes 5, and 3 + 2 also makes 5. Try it with your fingers!

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Adding means putting groups together to make a bigger number. Adding means putting groups together to make a bigger number. The plus sign (+) tells you to put numbers together. The plus sign (+) tells you to put numbers together. When you add zero to a number, the number stays the same. When you add zero to a number, the number stays the same. Adding 1 to a number gives you the very next counting number. Adding 1 to a number gives you the very next counting number. Doubles are a magic trick — 5 plus 5 always makes 10! Doubles are a magic trick — 5 plus 5 always makes 10!