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Robot Prototype: Scale Design worksheet preview

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Robot Prototype: Scale Design

Practice actual lengths, areas, and redrawing at new scales while planning a school robotics club's prototype and test space.

Grade 7MathInteractive · Printable

Aligned to7.G.A.1

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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, Short answer, Drawing

About this worksheet

What students practice

  • Students use scale drawings to find actual lengths and areas.
  • Students determine drawing dimensions and redraw figures at a different scale.
  • Students explain why area changes by the square of the length scale factor.

How to use

Use after introducing scale drawings. Students should use labeled dimensions rather than measure the printed pictures. Review the redraw and area explanation together.

Curriculum

Common Core standard covered

7.G.A.1

Solve problems with scale drawings, finding actual lengths and areas and redrawing a figure at a different scale.

Preview

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Name Date

Robot Prototype: Scale Design

Use scale drawings to build parts and plan robot tests.

Design the Robot

Use the labeled dimensions, not the printed size of a picture. A scale of 1:4 means 1 cm on the drawing represents 4 cm on the actual object.

1.
The robotics club draws its rectangular robot base at a scale of 1:4. The labels show drawing dimensions.7 cm5 cm

What is the actual length of the side labeled 7 cm?   cm

2.
A rectangular battery cover measures 4.5 cm by 3 cm on a drawing. The scale is 1:6.

What is the actual area of the battery cover?   cm²

3.
A robot arm is actually 42 cm long. Its drawing is 7 cm long. Which scale describes this drawing?
  • A. The scale is 1:35.
  • B. The scale is 6:1.
  • C. The scale is 1:6.
  • D. The scale is 1:7.

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