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Using Addition Strategies 2
In this addition strategy activity, 1st graders review the strategies for adding. Students then choose a way to add the ten equations and write the sum. Students also draw an answer to a problem.
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Add Up To Four 2-Digit Numbers by Using Addition Facts and Friendly Numbers
Learning to recognize friendly numbers is a big step in developing fluency with addition. Looking at multiple real world examples, the instructor models how to rearrange addition number sentences and use friendly numbers to quickly and...
5 mins 1st - 3rd Math CCSS: Designed