OpenStax, Prealgebra 2e §7.2 Commutative and Associative Properties · Example 1 · Algebra · Expressions

Commutative and Associative Properties · Example 1

Use the commutative properties to rewrite the following expressions:

ⓐ $-1 + 3 = _____$
ⓑ $4 \cdot 9 = _____$

This exercise has fill-in blanks from its source book and no answer key.

~5 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §7.2 Commutative and Associative Properties · Example 1

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.