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3D Print Lab: Rates That Make Sense worksheet preview

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3D Print Lab: Rates That Make Sense

Interpret unit rates for a 3D-printing club using material, printing time, and cost. Connect ratios, division, and precise rate labels.

Grade 6MathInteractive · Printable

Aligned to6.RP.A.2

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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 6
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Short answer

About this worksheet

What students practice

  • Students find the unit rate a/b associated with a ratio a:b.
  • Students describe unit rates using per and for each with the correct units.
  • Students distinguish a unit rate from its reciprocal in 3D-printing situations.

How to use

Have students write division calculations beside their answers. Review how reversing the order of the quantities changes both the unit rate and its meaning.

Curriculum

Common Core standard covered

6.RP.A.2

Understand the unit rate a/b that goes with a ratio a:b (b not zero) and describe it with words like per and for each.

Preview

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Name Date

3D Print Lab: Rates That Make Sense

Find unit rates and describe what each number means.

Read the Print Logs

A unit rate describes an amount for one unit of another quantity. Find each rate and pay attention to the order of the units.

1.
The 3D-printing club uses 84 grams of filament, the material fed into a printer, to make 6 identical gears.

How many grams of filament are used for each gear?   grams per gear

2.
A print log gives a ratio of 72 minutes to 8 brackets. Which unit rate describes the printing time?
  • A. The rate is 8 minutes per bracket.
  • B. The rate is 9 minutes per bracket.
  • C. The rate is 64 minutes per bracket.
  • D. The rate is 1/9 minute per bracket.
3.
A printer completes 5 small models in 2 hours. Find its average rate in models per hour.

The average rate is   models per hour.

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