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Mathematics

Ratios and Proportions

Model relationships with ratios, rates, and proportions.

Skill focus

Compare quantities with ratios
Solve unit rate problems
Use proportions to solve multi-step problems

Lesson map

Progress through the sequence or jump to any lesson. Estimated total time: 62 minutes.

Progress: 0/3 (0%)

INTERACTIVECore18 min
Intro to Ratios
Represent ratios in multiple forms.
Learning objectives
- Understand ratio notation and representation
- Write ratios in multiple forms
ratiosproportions
INTERACTIVECore24 min
Unit Rates
Calculate and interpret per-one measures.
Learning objectives
- Calculate unit rates
- Compare rates to make decisions
Prereq: ratios-introratesunit rates
INTERACTIVECore20 min
Solving Proportions
Cross-multiplication and reasoning.
Learning objectives
- Solve proportions using cross-multiplication
- Apply proportional reasoning
Prereq: unit-ratesproportionssolving

Related topics

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Number Sense Basics

Build fluency with whole numbers, place value, and operations.

Foundational180 mins guided

#place value
#operations
#estimation

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Mathematics

Fractions and Decimals

Compare, convert, and operate with fractions and decimals.

Foundational220 mins guided

#fractions
#decimals
#equivalence

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Overview

Level: Foundational
Guided time: 140 min
Prerequisites: Fractions and Decimals
Keywords: #ratio#rate#proportion