Here is a link to the Georgia Math Standards:
This week we are working on the following standards:
1.OA.3 (Commutative and Associative Property)
1.OA.6 (Add/Subtract within 20)
I can add 3 numbers using different strategies. This video from Youtube.com, will show you two different strategies (doubles, partners to ten) to easily solve this problem.
**All videos are from Youtube.com**