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MAFS.7.EE.1.2

Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. 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

TEST ITEM SPECIFICATIONS

  • Item Type(s): This benchmark will be assessed using: MC , EE , MI item(s)
    N/A
  • Assessment Limits :

    Expressions must be linear

  • Calculator :

    Neutral

  • Context :

    Allowable

SAMPLE TEST ITEMS (3)


  • Test Item #: Sample Item 2
  • Question:

    Maggie is buying a jacket. The expression shown represents the sales tax on the jacket price, j

     

    0.08j

     

    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