Ratio, Rate, Proportion

Recommended Practice: Develop understanding of proportional relationships before teaching computational procedures.

  • Items 1 - 12 of 14

Sort by:

Video

Developing Proportional Reasoning

Fractions > Ratio, Rate, Proportion > Overview & Tools

This multimedia overview offers an introduction to students’ development of proportional thinking and its relationship to cross-multiplication. It describes recommended instructional strategies for...

Resource Type

Overview

983 views
Video

Ratio, Rate, Proportion Problems

Fractions > Ratio, Rate, Proportion > Learn What Works

Dr. Lewis demonstrates how to work through two examples of problems involving ratios. Related Files: Ratio, Rate, and Proportion Problems (Sample Material)

Resource Type

Expert Interview

826 views
Video

Learning to Think Proportionally

Fractions > Ratio, Rate, Proportion > Learn What Works

Dr. James Lewis discusses what it means to think proportionally and offers examples from everyday contexts. He describes the conceptual progression toward working with cross-multiplication and...

Resource Type

Expert Interview

701 views
Video

Understanding Ratios

Fractions > Ratio, Rate, Proportion > See How It Works

This development session for teachers and coaches demonstrates strategies for teaching ratio, rate, and proportion concepts. Follow the full session through the PowerPoint, Focus on Ratios, and the...

Resource Type

School Example

852 views
Video

Cross-Multiply? Not So Fast

Fractions > Ratio, Rate, Proportion > See How It Works

Eighth-grade co-teachers lead a class through activities involving ratios. Students use concrete materials, build-up strategies, and cross-multiplication to solve the real-world problems found in...

Resource Type

School Example

1162 views
Document

Ratio, Rate, and Proportion Problems

Fractions > Ratio, Rate, Proportion > See How It Works

This collection of twelve ratio, rate, and proportion problems was contributed by expert Dr. Jim Lewis and includes his comments on solutions and notes about the potential difficulties students may...

Resource Type

Sample Material

1590 views
Document

Ratio Problems

Fractions > Ratio, Rate, Proportion > See How It Works

Participants in the Understanding Ratios development session worked with this set of problems to strengthen their conceptual understandings. See Focus on Ratios for additional...

Resource Type

Sample Material

1318 views
Document

Focus on Ratios

Fractions > Ratio, Rate, Proportion > See How It Works

This PowerPoint outlines the content of a development session for math coaches and teachers on teaching ratios, rates, and proportions. Understanding Ratios shows a portion of the workshop in which...

Resource Type

Sample Material

1250 views
Document

Build a Cafe: PowerPoint and Report

Fractions > Ratio, Rate, Proportion > See How It Works

As seen in Cross-Multiply? Not So Fast, this PowerPoint presents a series of real-world problems that students need to solve using their knowledge of ratios. Related Media and...

Resource Type

Sample Material

1405 views
Document

Build-Up Strategies Worksheet

Fractions > Ratio, Rate, Proportion > See How It Works

This worksheet provides practice problems that encourage students to use build-up strategies when working on ratio problems as shown in Cross-Multiply? Not So Fast. Related Media and...

Resource Type

Sample Material

1360 views
Document

Ratio: Warm Up Activity

Fractions > Ratio, Rate, Proportion > See How It Works

Students use counters or blocks to work out their responses to three problems and then represent their answers as shown in Cross-Multiply? Not So Fast. Related Media and...

Resource Type

Sample Material

2568 views
Document

Planning for Real-World Problems for Ratio, Rate, Proportion

Fractions > Ratio, Rate, Proportion > Overview & Tools

This planning tool helps middle-grade teachers develop practice problems based in real-world contexts that require students to work with ratios, rates, and proportions. Related Media and...

Resource Type

Tool

1778 views
  • Items 1 - 12 of 14