*For example, a + 0.05a = 1.05a means that “increase by 5%” is the same as “multiply by 1.05.”*

**Subject Area:**Mathematics

**Grade:**7

**Domain-Subdomain:**Expressions & Equations

**Cluster:**Level 2: Basic Application of Skills & Concepts

**Cluster:**Use properties of operations to generate equivalent expressions. (Major Cluster) -

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

**Date Adopted or Revised:**02/14

**Date of Last Rating:**02/14

**Status:**State Board Approved

**Assessed:**Yes

**Assessment Limits :**Expressions must be linear

**Calculator :**Neutral

**Context :**Allowable

**Test Item #:**Sample Item 1**Question:**Which expression represents that ?? was doubled and then decreased by 25%?**Difficulty:**N/A**Type:**MC: Multiple Choice

**Test Item #:**Sample Item 2**Question:**Maggie is buying a jacket. The expression shown represents the sales tax on the jacket price,

*j*.0.08

*j*Write an expression in terms of

*j*to represent the total amount that Maggie spends on the jacket, including tax.**Difficulty:**N/A**Type:**EE: Equation Editor

**Test Item #:**Sample Item 3**Question:**The cost of a barrel of beans, b, fluctuates by 17% in both directions during a three-month period.

Match each verbal description of the high and low cost of a barrel of beans with all equivalent expressions.

**Difficulty:**N/A**Type:**MI: Matching Item

## Related Courses

## Related Access Points

## Related Resources

## Assessments

## Formative Assessments

## Lesson Plans

## Original Student Tutorial

## Tutorial

## STEM Lessons - Model Eliciting Activity

In this MEA, the students will compare data to decide which franchise would be best for a person who is moving into an area and wants to open up their own fried chicken franchise.

## MFAS Formative Assessments

Students are given equivalent expressions with rational coefficients and asked to explain what each expression represents within the context of a problem.

Students are given equivalent expressions with rational coefficients and asked to explain what each expression represents within the context of the problem.

## Original Student Tutorials Mathematics - Grades 6-8

Learn how to combine like terms to create equivalent expressions in this interactive tutorial.

## Student Resources

## Original Student Tutorial

Learn how to combine like terms to create equivalent expressions in this interactive tutorial.

Type: Original Student Tutorial

## Tutorial

This video demonstrates how to write a decimal as a percent.

Type: Tutorial