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Developing Computational Fluency in Addition and Subtraction

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Slide 7 of 8

On Saturday, I walked in the park and saw 39 tulips blooming. On Sunday I saw 54 more tulips blooming. How many tulips did I see in bloom?

After the rainstorm, I saw 100 earthworms on the sidewalk. At recess, I saw only 67 worms. How many worms disappeared?

Kathy Ernst, P.O. Box 2232, West Brattleboro, VT 05303 (802) 257-9591 katernst@solver.net