Price: 750 points or $7.5 USD
Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction
Grades: 1,2
Description: Students type the answer to subtraction problems (up to 20) in the box. CCSS.MATH.CONTENT.2.OA.B.2 Fluently add and subtract within 20 using mental strategies