S8tSYhTk
1.0
CCSS.Math.Content.K.OA.A.1
Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
19
2020-12-17T17:26:54.894984Z
2020-12-17T17:26:54.895010Z
4