MA19.6.17

Mathematics (2019) Grade(s): 6

MA19.6.17
Determine whether two expressions are equivalent and justify the reasoning.

Unpacked Content

Knowledge

Students know:

The properties of operations, including inverse, identity, commutative, associative, and distributive and their appropriate application to be able to determine whether two expressions are equivalent.
Conventions of order of operations.

Skills

Students are able to:

Accurately use the properties of operations to produce equivalent forms of an algebraic expression when interpreting mathematical and contextual situations.
Use mathematical reasoning to communicate the relationships between equivalent algebraic expressions.

Understanding

Students understand that:

Manipulation of expressions via properties of the operations verifies mathematically that two expressions are equivalent.
Reasoning about the context from which expressions arise allows for interpretation and meaning to be placed on each of the expressions and their equivalence.

Vocabulary

Equivalent
Expressions

Aligned Learning Resources

Fitting a Line to Data

Design by Adaptive Theme