Addition and subtracting by 10s, 100s

It is time for some mighty review! This video is a great recap of all the tools and strategies we've learned to help us add and subtract. Whether it is base ten blocks, skip counting, or doubles facts, this quick review will refresh your memory so you can add and subtract like a pro. We also practice adding and subtracting by ten and one hundred using skip counting and hundreds charts. Now, where can I get 497 bouncy balls?

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Place Value - 2nd grade