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# Reporting Category 1 (TEKS 6.7 Expressions and Equations)

#### Numerical Representations and Relationships

The videos in this post explain mathematics Texas Essential Knowledge and Skill 6.7:

Expressions, equations, and relationships. The student applies mathematical process standards to develop concepts of expressions and equations.

The STAAR videos below are selected released items from 6th grade STAAR tests in 2016, 2018, 2019, and 2021. You can view the complete review of the 2017 STAAR test here.

## 6.7A

generate equivalent numerical expressions using order of operations, including whole number exponents and prime factorization

## 6.7B

distinguish between expressions and equations verbally, numerically, and algebraically

## 6.7C

determine if two expressions are equivalent using concrete models, pictorial models, and algebraic representations

## 6.7D

generate equivalent expressions using the properties of operations: inverse, identity, commutative, associative, and distributive properties