1.OA.B.4

Code Standard Coding:

1.OA.B.4

Code Standard standard:

Understand subtraction through 20 as an unknown-addend problem. (See Table 1)

Code Standard Domain:

Operations and Algebraic Thinking (OA)

Code Standard Cluster:

1.OA.B Understand and apply properties of operations and the relationship between addition and subtraction.

Code Standard Grade:

Is this Mathematics?:

yes

Is this ELA?:

no