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School Store: Online Order Audit

Solve school-store systems by inspection and algebra, estimate intersections on graphs, and evaluate a shortcut for checking online orders.

Grade 8MathInteractive · Printable

Aligned to8.EE.C.8.b

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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 8
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer, Drawing

About this worksheet

What students practice

Students solve systems of two linear equations by inspection, substitution, and elimination.
Students graph linear equations and estimate the coordinates of their intersection.
Students apply systems to online orders and explain why combining equations can lose information.

How to use

Use after teaching substitution and elimination. Have students show algebra on separate paper, use a straightedge for graphing, and discuss the final record-checking shortcut.

Curriculum

Common Core standard covered

8.EE.C.8.b

Solve systems of two linear equations with algebra, estimate solutions by graphing, and solve simple cases by inspection.

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