. Grade 1, ILLUSTRATIVE icon

20 Tickets

Illustrative MathematicsVaries

The purpose of the task is for students to add and subtract within 20 and represent complex addition problems with an equation to increase their understanding of and flexibility with the equals sign. There are multiple solutions, and each pair of students should find more than one. The students can use the counters or linking cubes to represent each ticket needed to do each game, but then they should be encouraged to draw a picture to represent their work so there is a record of their thought process. Students who are comfortable with symbolic representations can record their solutions using equations.

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