. Grade 1, Illustrative icon
Task

Boys and Girls, Variation 1

Illustrative MathematicsVaries

These tasks types represent the Put Together/Take Apart contexts for addition and subtraction. Students may use either addition or subtraction to solve these types of word problems, with addition related to the action of putting together and subtraction related to the action of taking apart. Depending on how students think about these word problems, either is appropriate for the 'addend unknown' problems. Seeing it both ways emphasizes the relationship between addition and subtraction.

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