1.OA.3

=Operations and Algebraic Thinking=


 * Understand and apply properties of operations and the relationship between addition and subtraction:**

1.OA.3 - Apply properties of operations as strategies to add and subtract. Examples: is 8+3=11, then 3+8=11. Commuintative property of addition. To add 2+6+4, the second two numbers can be added to make a 10, so 2+6+4=2+10+12 Associatative property of addition.

didnt know where to put this- the kids like the doubles song. [] Strategy posters

Balancing Equations: Template for balancing equations (you can change the numbers)

Link to Strategy Posters []