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Math Problem of the Day Volume 2-2.4AB Addition and Subtraction
2.4 A- The student will recall basic facts to add and subtract within 20 with automaticity
2.4 B- The student will add up to 4 two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations
ADDITION COMPENSATION STRATEGY
SUBTRACTION COMPENSATION STRATEGY
1st - 4th
Basic Operations, Math, Mental Math
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