Extend concepts of putting together and taking apart to add and subtract within 10.
Standard:
K.OA.A.1
Description:
Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
Standard:
MA.K.AR.2.1
Description:
Explain why addition or subtraction equations are true using objects or drawings
Standard:
K.3.A
Description:
model the action of joining to represent addition and the action of separating to represent
subtraction;
Standard:
K.3.C
Description:
explain the strategies used to solve problems involving adding and subtracting within 10
using spoken words, concrete and pictorial models, and number sentences.
