Problem preview
MF.PR.4 Standard MF-018-A11-V01

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

Represent a proportional relationship

Problem

Calculate the unit rate in servings per cup.

Big Picture

What this problem is really about

Servings per cup determines the division order: use the servings value over its aligned cups value. We’ll calculate that quotient from one vertical pair on the double number line, then repeat with another pair to confirm the relationship is proportional. The consistent quotient describes how many servings correspond to each single cup.

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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
Represent a proportional relationship