Add and Subtract Within 20

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by The Mailbox®

Price: 400 points or $4 USD

Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction

Grades: 1,2

Description: These Boom Cards provide practice with adding and subtracting within 20. Students type the number that completes the number bond. (30 cards) Common Core State Standards: 1.OA.C.6; 2.OA.B.2 Texas Essential Knowledge and Skills: 1.3D; 2.4A