Estimating How Many Using 10s
Understanding the size of a single group of 10 objects can help estimate how many in a larger group. Children count and circle a group of 10 pictured marbles to estimate how many in all. Five problems to solve.
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Take Ten: Make Cleaning Up More Fun with Predictions and Counting
Class members predict and count how many items need to be cleaned up in class while skip counting by 10s. They estimate whether having each child clean up 10 items will be enough to get the room ready for the next day. Everyone counts...
K - 3rd Math CCSS: Adaptable