Addition Within Twenty Bundle

by Jennifer Bates

Price: 1000 points or $10 USD

Subjects:

Grades: 1,2

Description: This bundle includes 4 decks to help your student master addition facts within 20. Two of the decks include missing addends. CCSS.MATH.CONTENT.2.OA.B.2 Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers. CCSS.MATH.CONTENT.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. CCSS.MATH.CONTENT.1.OA.C.5 Relate counting to addition and subtraction CCSS.MATH.CONTENT.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. CCSS.MATH.CONTENT.1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.