. Grade K, Illustrative icon

Bobbie Bear's Buttons

Illustrative MathematicsVaries

The purpose of this task is for students to find different pairs of numbers that sum to 4. It would be appropriate to have a box of blue and red buttons on hand. Students can try to imagine a solution, and then they could reach into the box and actually see a solution (they would have to pick buttons out without looking at the colors to ensure that all the possible combinations might be found). The greater the number of students who get a chance to select out four buttons, the more likely it will be that all the possible combinations will come up.

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