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Game Studio: Score Balance Audit worksheet preview

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Game Studio: Score Balance Audit

Students audit video game scores by rewriting subtraction as addition of the opposite and finding distances between signed numbers.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.1.c

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 14 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 7
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Short answer

About this worksheet

What students practice

  • Students rewrite subtraction of rational numbers as addition of the opposite.
  • Students find the distance between rational numbers using the absolute value of their difference.
  • Students apply signed differences and distances to game score balancing.

How to use

Use after introducing signed subtraction. Have students work independently, then compare the signed calculations with the distance calculations.

Curriculum

Common Core standard covered

7.NS.A.1.c

Understand subtracting as adding the opposite, and see the distance between two numbers as the absolute value of their difference.

Preview

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Name Date

Game Studio: Score Balance Audit

Use opposites and absolute values to check level scores.

Check the Score Code

Scores can be positive, negative, or zero. Use addition of the opposite to check each subtraction.

1.
A developer rewrites score calculations without changing their values. Select every rewrite that correctly uses addition of the opposite.

12 − (−5) = 12 + 5−9 − 4 = −9 + 4−6 − (−2) = −6 + 23 − 8 = −3 + 8

2.
A test score is −15 points, including a penalty of −6 points. To remove that penalty, the studio calculates −15 − (−6).

What is the score after the penalty is removed?   points

3.
The studio compares two level ratings by calculating −3/8 − 5/8.

Complete the rewrite: −3/8 +   =  .

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