Add & subtract crossing 10 within 20
Add & subtract crossing 10 within 20
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1.OA.6, 2.OA.2
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Students who perform well on this Sprint have mastered standards 1.OA.6 and 2.OA.2.
About This Sprint
Before taking this Sprint, students should automatize or have strategies to efficiently solve any add or subtract crossing 10 within 20 fact.