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Robot Drive: Circle Trials

Apply circle formulas to robot wheels, shields, and grip pads, then explain how circumference and area are connected.

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, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students use area and circumference formulas to solve robot design and testing problems.
Students distinguish boundary length from surface area and work backward from circle measurements.
Students informally explain the relationship between a circle's area, circumference, and radius.

How to use

Use after introducing circle formulas. Allow calculators, require students to record their calculations, and discuss the thin-ring explanation at the end.

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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Robot Drive: Circle Trials

Use circle measurements to design parts and predict robot motion.

Design the Parts

Use π = 3.14 unless a question asks for an expression in terms of π. Round only when directed. Assume wheels roll without slipping unless stated otherwise.

The school robotics club is building a robot. Sort each measurement by the circle formula needed to find it.

The distance a wheel travels in one complete rotation.The amount of film covering one circular sensor face.The length of a wire fitted once around a circular guard.The amount of rubber covering one circular grip pad.