Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.

Standard:

CC.2.2.5.A.1

Description:

Interpret and evaluate numerical expressions using order of operations.

Standard:

MA.5.AR.2.1

Description:

Translate written real-world and mathematical descriptions into numerical expressions and numerical expressions into written mathematical descriptions.

Standard:

M05.B-O.1.1.2

Description:

Write simple expressions that model calculations with numbers and interpret numerical expressions without evaluating them.