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 of operations as strategies to add and subtract.