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Space Camp: Mission Rates worksheet preview

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Space Camp: Mission Rates

Find constants of proportionality in space-camp tables, graphs, equations, diagrams, and mission descriptions.

Grade 7MathInteractive · Printable

Aligned to7.RP.A.2.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 7
Subject
Math
Question types
Fill in the blank, Multiple choice, Short answer

About this worksheet

What students practice

  • Students identify the constant of proportionality in tables, graphs, equations, diagrams, and descriptions.
  • Students interpret the constant of proportionality as the rate of y per unit of x.
  • Students explain why reversing a ratio changes the constant of proportionality.

How to use

Use during a proportional relationships lesson or as independent practice. Have students label the units of each rate and explain the final error analysis.

Curriculum

Common Core standard covered

7.RP.A.2.b

Find the constant of proportionality in tables, graphs, equations, diagrams, and word descriptions.

Preview

OwlSheets.com

Name Date

Space Camp: Mission Rates

Identify constants of proportionality throughout a mission simulation.

Mission Systems

Each relationship on this sheet is proportional. Use y = kx, where k is the constant of proportionality. Find y per unit of x.

1.
A simulated air system releases oxygen at a steady rate.
Oxygen Release
Time x (min)Oxygen y (L)
46
812
1218

What is k?   liters per minute

2.
A simulator uses y = 0.75x to model fuel use. Here x is the number of seconds and y is the number of fuel units used. What is k?
  • A. k = 75 fuel units per second.
  • B. k = 0.75 fuel units per second.
  • C. k = 1.75 fuel units per second.
  • D. k = 4/3 fuel units per second.
3.
The loading diagram shows how supply packs are converted to total mass. Every pack has the same mass.
x: packs → multiply by k → y: mass
3 packs → 12 kg
5 packs → 20 kg

What is k?   kilograms per pack

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