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Fun center activity or write the room activity for students to practice using a number line to add and subtract in 20.
There are 2 sets of cards each with 10 questions! You can laminate the cards and have students use a dry erase marker on the number line, or they can use their finger.
Questions include: how many all together, how many are left, how many more, and how many fewer
Recording sheet and answer key included
keywords: math word problems, number line strategy for addition and subtraction, guided math groups, write the room, task cards