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Makerspace Loans: Check the Evidence worksheet preview

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Makerspace Loans: Check the Evidence

Students check library makerspace lending records for proportional relationships using equal ratios and graphs through the origin.

Grade 7MathInteractive · Printable

Aligned to7.RP.A.2.a

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 13 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 decide whether table entries have equal ratios.
  • Students identify proportional graphs as straight lines through the origin.
  • Students justify proportionality decisions about makerspace lending records.

How to use

Have students mark the ratios or graph features that support each decision. Use the final explanation to discuss why unequal increases can still produce equal ratios.

Curriculum

Common Core standard covered

7.RP.A.2.a

Decide whether two quantities are proportional by checking a table for equal ratios or a graph for a line through the origin.

Preview

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Name Date

Makerspace Loans: Check the Evidence

Use tables and graphs to decide whether quantities are proportional.

Check the Tables

Compare the second quantity divided by the first. Check every row, even when the entries are not listed in increasing order.

1.
The library weighs groups of identical electronics kits before lending them.
Electronics Kit Checkout
KitsTotal mass (kg)
129
86
43

Write each mass-to-kit ratio as a decimal: 9 ÷ 12 =  , 6 ÷ 8 =  , and 3 ÷ 4 =  . Write proportional or not proportional:  

2.
These kits contain different numbers of parts. Select every comparison that proves the quantities in the full table are NOT proportional.
Parts in Loan Kits
KitsTotal parts
25
410
612

5/2 = 10/45/2 ≠ 12/610/4 ≠ 12/62/5 = 4/10

3.
Each equipment column describes a separate lending package. Classify its relationship to the number of packages.
Equipment Packed for Loans
PackagesFlashlightsTape measuresCables
1332
3956
618812
Packages and tape measuresPackages and cablesPackages and flashlights
ProportionalNot proportional

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