Practice setting up and solving proportions to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving word problems involving price markups and commission fees. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving word problems involving price discounts, taxes, and tip calculations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Angel and Jayden were at track practice. The track is $\frac25$ kilometers around. Aligns with 7.RP.A.

This short exercise gives the student a ratio in reduced terms, and then gives the students a replacement value for one part of the ratio. The student is then to input the other part of the replacement ratio so as to keep the two ratios...

"Rated 'M' for middle school," Math TV invites you to tune in each week for videos of word problems being solved. Back episodes are available in subjects such as percentages, number sense, and fractions. Watch a problem worked out, then...

This page explores how ratios can be written as fractions. The site also discusses proportions and reducing ratios with problems and examples.

Bianca visits a bike shop and learns how bicycle gears work in this Cyberchase video segment. [3:26]

This math game will help students understand the connection between fractions and decimals. Students will use dice, a recording sheet, and their number sense as they find equivalent fractions from decimals. During the other part of the...

This video explores scale models, including 1:12 dollhouse models, 1:24 railroad models, and 1:192 architectural models. It explains what the different ratios represent and asks students to consider how they can use measurement and...

Practice computing rates associated with ratios of fractions or decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Word problems allow you to see the real world uses of math! This tutorial shows you how to take a rate and convert it to a unit rate. Then, you can use that unit rate to calculate your answer. Watch this tutorial to learn all about it!

This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...

In this video segment from Cyberchase, the CyberSquad and Digit construct a physical profile of the person who kidnapped Choocroca, a giant cybercrocodile. [2:49]

This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...