. Grade 1, Illustrative icon

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Illustrative MathematicsVaries

These tasks types represent the Take From contexts for addition and subtraction. This task includes the three different problem types using the Take From context: result unknown, change unknown, and start unknown. Students need experience and practice with all three types. Result unknown problems (a) and change unknown problems (b) are both fairly easy for most students, since they can be acted out directly.

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