Understand Addition & Subtraction Worksheets

Fact Families and the Commutative Property Fact Families Printable Worksheets –  Teach fact families instead of counting on fingers! Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) Then make connection to subtraction 11 – 3 = 8. CCSS.Math.Content.1.OA.B.3 – Apply properties…