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MF.PR.4 Standard MF-018-A06-V04

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

Solve a contextual double-number-line problem

Problem

A printer's speed is shown on this double number line. The aligned tick marks show equivalent amounts.

Flyers printed: \(0,~125,~250,~500,~750\)
Time (minutes): \(0,~5,~10,~20,~?\)

How many minutes line up with \(750~\text{flyers}\)?

Double number line for printer speed. The top line is labeled Flyers printed with aligned ticks marked 0, 125, 250, 500, 750. The bottom line is labeled Time (minutes) with matching ticks marked 0, 5, 10, 20, and a question mark at the tick aligned with 750 flyers. The final aligned tick is highlighted. 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
Solve a contextual double-number-line problem