Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships Grade 6
Print or create worksheets or flashcards to assess students' understanding of ratio concepts.
PBS
Pbs: Kid Vid: Equivalent Ratios
Watch a video of a student thinking through the concept of equivalent ratios and then demonstrate understanding in this interactive from KET. Students review the meaning of equivalent ratio and use the Visualize It! tool to verify that...
Math Is Fun
Math Is Fun: Ratios
After reading a simple definition of "ratios", you can explore many examples of ratio use in the real world.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Comparing Ratios and Fractions
Dr. Math helps a student see the connection between fractions and ratios using the names of Flintstone characters. A clever approach that requires an understanding of basic algebra concepts.
National Council of Teachers of Mathematics
The Math Forum: Height to Weight Ratio
A student asks Dr. Math, "If I have a friend that weighs 155 pounds and is five feet, four inches tall, what is his height-to-weight ratio?" Find out how Dr. Math solves this problem and get a better understanding of the concept of ratio.
ClassFlow
Class Flow: Introduction to Ratio and Proportions
[Free Registration/Login Required] This flipchart introduces the concept of ratios and proportions using a variety of visuals and manipulatives.
Illustrative Mathematics
Illustrative Mathematics: 6.rp the Escalator, Assessment Variation
Students demonstrate their understanding of the concept of ratio and unit rate association with a ratio.
PBS
Pbs: The Lowdown: Percents Combined: Proportional Relationships With Multistep Ratio and Percent Problems
Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...
Texas Instruments
Texas Instruments: Go for the Gold
Students explore and use the concept of ratio in a real-world situation. They will make judgments regarding accuracy and precision of measurement.
TeachEngineering
Teach Engineering: Car Collision Testing & Tradeoffs: Don't Crack Humpty
Student groups are provided with a generic car base on which to design a device/enclosure to protect an egg as it rolls down a ramp at increasing slopes. During this activity, student teams design, build and test their prototype...
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 6.rp.3c Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratio concepts, useage of ratio reasoning, and percentages.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 6.rp.3a Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratio concepts and creating tables and graphs.
Other
Macomb Intermediate School District: Mathematics: Ratios and Rates [Pdf]
Activities for students that allow them to explore the concept of comparing ratios and unit rates using real-world scenarios.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
AAA Math
Aaa Math: How to Determine a Ratio
This site explains the meaning of ratio and how to determine a ratio. Gives practice and games to practice this skill.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Ratio of Boys to Girls
Sixth graders work with a ratio stating the number of boys to girls in a school and use it to calculate the fraction of students who are boys and the total number of students. Aligns with 6.RP.A.
Other
Stat Soft: Getting Started With Statistics Concepts
Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.
TeachEngineering
Teach Engineering: Making "Magic" Sidewalks of Pervious Pavement
Students use everyday building materials- sand, pea gravel, cement and water- to create and test pervious pavement. Groups are challenged to create their own pervious pavement mixes, experimenting with material ratios to evaluate how...
National Council of Teachers of Mathematics
The Math Forum: Ratios and Fractions
A seventh-grade student is having trouble understanding ratios, fractions, and simplest form. Dr. Math to the rescue! Real-world, easy to grasp examples.
PBS
Pbs Teachers: Something Fishy [Pdf]
Estimate the size of a large population (fish in a bay) by applying the concepts of ratio and proportion through the capture-recapture statistical procedure.
PBS
Pbs: Math With Jake: Frequencies & Pitch
In this video, musician Jake Shimabukuro uses the pitch of musical notes and vibrations in hertz to illustrate the concept of ratios. This clip is from Center for Asian American Media. In the accompanying classroom activity, students...
Texas Instruments
Texas Instruments: Why Aren't There More Reds in My Bag?
Students use small bags of M&M's to make predictions, gather data, and display color distribution results in a circle graph. They explore the concept of ratios and sample size.
PBS
Pbs: Math With Jake: Music Transposition
Composer and ukulele artist Jake Shimabukuro describes the concept of transposing notes in music and how ratios are applied in this video from Center for Asian American Media. Shimabukuro explains why it is necessary to transpose music...
Common Core Sheets
Common Core Sheets: Rate Language 6.rp.2 Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratio concepts.