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School Store: Circular Order Checks

Use circle area and circumference to check school-store orders, compare material needs, and explain how the formulas are related.

Grade 7MathInteractive · Printable

Aligned to7.G.B.4

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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, Sorting, Short answer

About this worksheet

What students practice

Students use area and circumference formulas to solve school-store order problems.
Students distinguish boundary length from surface area in material calculations.
Students explain how a circle's area relates to its circumference and radius.

How to use

Use after introducing circle formulas. Students may use calculators; ask them to record a formula before calculating and discuss the final explanation.

Curriculum

Common Core standard covered

7.G.B.4

Know and use the formulas for the area and circumference of a circle, and informally explain how they are related.

Preview

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School Store: Circular Order Checks

Check materials, packaging, and online orders using circle measurements.

Read the Order Details

Use π = 3.14 unless an answer is requested in terms of π. Ignore material waste unless stated otherwise.

Sort each school-store task by the circle measurement needed.

Find the length of stitching around a circular patch.Find the amount of vinyl covering one face of a circular magnet.Find the length of a strip wrapped once around a round container.Find the amount of cork covering the bottom of a circular coaster.