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MF.PR.4 Standard MF-018-A04-V04

Use ratio tables and double number lines to solve missing-value and scaling problems.

Identify a correct ratio table or double number line

Problem

Evaluate the representations against the rate \(5~\text{notebooks}~\text{for}~\$7.50\). Determine the representation that shows proportional scaling.

Three option cards compare completed representations for the base ratio 5 notebooks cost 7.50 dollars. Option A is a ratio table pairing notebooks 5, 10, 15, 20 with cost 7.50, 15.00, 22.50, 30.00. Option B is a double number line pairing notebooks 5, 10, 15, 20 with cost 7.50, 15.00, 21.00, 30.00. Option C is a double number line pairing notebooks 5, 12, 19, 26 with cost 7.50, 15.00, 22.50, 30.00. Open full size
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Four variants of this problem type
Curriculum context
Standard
MF.PR.4
Category
Proportional Reasoning
Domain
Representations
Objective
Use ratio tables and double number lines to solve missing-value and scaling problems.
Problem type
Identify a correct ratio table or double number line