Khan Academy
Khan Academy: Proportional Relationships
Practice telling whether or not the relationship between two quantities is proportional by reasoning about equivalent ratios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Writing Proportions
Practice writing proportions to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Interpreting Graphs of Proportional Relationships
Practice reading and analyzing graphs of proportional relationships. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Proportion Word Problems
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.
CK-12 Foundation
Ck 12: Interactive Middle School Math 6
This all-interactive MSM 6 course is a complete and rigorous Grade 6 Mathematics course where the text is the support material, NOT the main content. The course includes instructional interactives, inline immediate-feedback (formative)...
Math Aids
Math Aids: Word Problems Worksheets
Great resource to practice and strengthen math skills pertaining to word problems. Math worksheets are printable, may be customized, and include answer keys.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....
NASA
Nasa: Beginner's Guide to Aerodynamics
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...
Math Playground
Math Playground: Problem Solving Videos
"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...
CK-12 Foundation
Ck 12: Algebra: Graphs of Exponential Functions
[Free Registration/Login may be required to access all resource tools.] Students learn to recognize, evaluate and graph exponential functions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
National Council of Teachers of Mathematics
Nctm: Figure This: Tv Ratings (Pdf)
Here's a challenge for the avid TV watcher. Use your data interpretation skills to explore America's TV watching habits in this NCTM Math Challenges for Families activity. See if you can figure out which night of the week has the...
Saddleback College
Algebra2 Go: Prealgebra
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Distance, Speed, & Time
Using these rate of speed problems practice figuring out either the distance, time or speed. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you...
Other
Money: Money Basics
This page provides money basics including the two kinds of money, the creation of money, reserve ratio requirements, controlling the price of credit, the Fed's reactive role, limiting bank lending, limiting money supply growth, and the...
Khan Academy
Khan Academy: Converting Decimals to Percents
Practice expressing a decimal like 0.546 as a percent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Converting Percents to Decimals
Practice expressing a percent like 12.3% as a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Finding Percents
Find a percent of a quantity as a rate per 100; solve problems involving finding the whole, given a part and the percent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Solving Proportions
Practice solving basic proportions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Converting Percents & Fractions
Practice writing percents as fractions and fractions as percents. For example, convert 30% to a simplified fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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...
US Census Bureau
U.s. Census Bureau: Poverty
The U.S. Census Bureau offers the official statistics on poverty.
ClassFlow
Class Flow: Linear Equations
[Free Registration/Login Required] Connects what we have learned about slope as a ratio to linear equations. We had previously used the term rate of change, but can now connect it to the idea of slope. There are information pages and...
Other popular searches
- Rates and Ratios
- Rates Ratios and Proportions
- Rates and Equivalent Ratios
- Unit Rates and Ratios
- Proportion Rates and Ratios
- Rates and Ratios Notes
- Ratios and Rates Worksheets
- Rates, Ratios and Percents
- Ratios and Rates Powerpoint
- Rates and Ratios Unitary
- Rates Ratios and Percents
- Rates and Ratios 1