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Adding means putting groups together to make a bigger number.

Adding means putting groups together to make a bigger number.

When you push two piles of blocks together and count them all, you are adding! Adding always makes the amount grow.

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