Price: 250 points or $2.5 USD

Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction,holiday,valentinesDay

Grades: 13,1,2

Description: Searching for adorable subtracting under 20 fact fluency practice decks perfect for Valentine's Day? Students and teachers will LOVE these 40 interactive cards, with 40 problems for subtraction facts to 20. Who are these BOOM cards for? These subtraction math fact fluency cards are PERFECT for kindergarten, 1st grade or 2nd grade students working on subtracting under 20. Which standards are covered in the subtraction under 20 fact fluency cards? - K.OA.1: Represent addition and subtraction with objects, fingers, mental images, drawings2, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations. - K.OA.2: Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem. - 1.OA.5: Relate counting to addition and subtraction (e.g., by counting on 2 to add 2). - 1.OA.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13). - 2.OA.2: Fluently add and subtract within 20 using mental strategies.