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MF.NS.4 Warmup MF-004-A02-V02

Use commutative, associative, and distributive structure to rewrite and simplify numerical expressions efficiently.

Use associative structure to regroup

Problem

Use grouping to make this sum easier: \(18~+~2~+~7~+~13\). Rewrite the expression with parentheses to show a helpful regrouping, then find the total.

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Four variants of this problem type
Curriculum context
Standard
MF.NS.4
Category
Number Sense
Domain
Numerical Expressions
Objective
Use commutative, associative, and distributive structure to rewrite and simplify numerical expressions efficiently.
Problem type
Use associative structure to regroup