South Dakota Standards
SD.4.A. Algebra: Students will use the language of algebra to explore, describe, represent, and analyze number expressions and relations that represent variable quantities.
4.A.1. Use procedures to transform algebraic expressions.
4.A.1.2. Application: Students are able to recognize and use the commutative property of addition and multiplication.
4.A.1.2.a. Use models to identify commutative property.