Computation and Estimation
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Solve addition and subtraction in everyday situations using concrete objects with one and two digit numbers (no regrouping)
Solve addition and subtraction in everyday situations with one and two digit numbers (no regrouping)
Determine the sum of the same three one-digit numbers (e.g., 5+5+5)
Determine the difference by forming equal groups
Make estimates of objects in a set up to and including 100 using groups of ten as a reference and verify estimate