The student will model adding and subtracting whole numbers, using up to 10 concrete objects.
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Understand that addition means putting things together and that subtraction is the inverse of addition and means to separate things out.
Combine two sets with known quantities in each set, and count the combined set using up to 10 concrete objects, to determine the sum, where the sum is not greater than 10.
Given a set of 10 or fewer concrete objects, remove, take away, or separate part of the set and determine the result.