Add dots
Commutative Property of Addition
Subtract by counting backward
Subtract all & all but 1
Add dots (2)
Doubles within 10
Subtract by counting forward
Use doubles to subtract within 10
Add by counting on from the biggest #
Doubles within 10 plus 1
The quickest way to subtract
K.OA.2, 1.OA.6
1.OA.3
1.OA.6
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