New Mexico State University
Atlantean Dodgeball
Develop ratios within sporting games. Class members watch a video about dodgeball and see how coaches compare the scores. Pupils then work with ratios to compare the scores throughout the tournament. Using their knowledge of ratios, they...
New Mexico State University
Bad Date
Get the best ratio for a good date. The class watches a video where dates are rated based on the ratio of words spoken. Pupils then use the ratios in the video along with other given ratios to find equivalent ratios. Finally, they...
Scholastic
Study Jams! Percents
Sam's mom is a bowling woman and her birthday is around the corner. Can Sam afford the shirt in the store window for her? Mia helps him solve a multi-step percent problem to figure it out!
Khan Academy
Unit Conversion: Gallons to Quarts, Pints, and Cups, Pre-Algebra
Provide your students with the context and information they'll need to convert gallons to quarts, pints, and cups. In this video, Sal defines gallons, quarts, pints, and cups. Then he uses this information to solve a problem where he...
Khan Academy
Representing a Number as a Decimal, Percent, and Fraction 2, Decimals, Pre-Algebra
There are two Khan Academy videos on representing numbers as decimals, percents, and fractions. This one shows students how to represent a fraction as a decimal and a percent. Sal demonstrates the process used to convert the fraction 7/8...
PBS
Career Connections | Supply Chain Manager
Managing a supply chain is all about monitoring inbound and outbound products. Meet one manager who uses computer technology to make sure all runs smoothly.
PBS
Career Connections | Construction Manager
Don a hard hat and grab an iPad; both are essential tools for construction managers. A short video details the education, skills, and tools required for those interested in a career in this fast-growing field.
PBS
Career Connections | Bookkeeping and Accounting
Keeping track of the finances is the job of the accountant and the bookkeeper. Find out what skills add up to make it in the world of ledgers and numbers.
New Mexico State University
Ratey the Math Cat
Find a perfect way to recognize rates. The class first watches a video that emphasizes the word per when referencing a rate. Pupils then use their knowledge to create their own rates via station activities. Finally, individuals use...
Corbett Maths
Recipes
Just how much of each ingredient is required? The resource works a few examples of scaling a recipe to feed more or fewer people than outlined. Pupils follow the examples to work out similar problems.
PBS
Proportional Scaling
It is not as simple as scaling. MIT researchers explain that a micro engine cannot just be a proportional scaling of a working larger engine. The Math at the Core: Ratios resource compares the proportions involved with the surface area...
PBS
Real-Life Math — Production Scheduler
Use unit rates to find the number of parts needed to produce a given number of units. A production scheduler shares the different ways schedulers use math to ensure the required amount of parts are available to manufacture air...
PBS
Math in Fencing: Division of Clock Time
Is there time? Fencers need to make mental calculations within a match. The Math at the Core MS: Ratios resource points out that fencers calculate the ratio of touches per time left to help develop strategies to win. The competitors also...
PBS
Overruled
Conversion solves a royal blunder. Using an animated video, the resource explores the importance of being able to convert measurements. Knowing the ratio of two measurements allows for the conversion between two measurement units. Pupils...
PBS
Beating Usain Bolt
Beating Usain requires a head start. With a race against Usain Bolt as a background, the resource introduces a system of linear equations. A quick activity uses tables to determine whether a head start is enough for the presenter to win...
PBS
Human Tree: Dilations
Look at dilations exponentially. Using a fractal from a museum exhibit, the installment from the Math at the Core: Ratios series introduces the term dilation. The presenter points out that dilations can make images either smaller or...
PBS
The Art of Math
Does it balance? An activity provides an opportunity to investigate the mathematics involved in making a balanced mobile. Using a stop-action video, the resource provides the formula needed to create a mobile that balances. The Math at...
PBS
Human Tree: Ratios
Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...
PBS
Scale City — Proportional Relationships in the Real World
Strive to determine your stride. Scholars first view an informative video on the Kentucky Horse Park and the 28-feet stride of the Man o' War. They then work together in groups to find the length of their own strides by using the number...
PBS
Scale City — Inverse Proportions and Shadows in the Real World
Bring the resource out from the shadows. Viewers of a short video learn about drive-in theaters and how operators project images onto a large screen. They then perform an experiment to determine the relationship between the distance of...
PBS
Scale City — One-Dimensional Scaling in the Real World
Dinosaurs sure were big! Viewers of an engaging video discover the Dinosaur World in Kentucky and how scales and proportional reasoning factor into the dinosaur models in the park. They then work through several problems on scales and...
PBS
Real World Ratio and Rate Problem: Bianca’s Fifty Percent Solution
Fifty percent off can still be quite expensive. Future consumers watch a video showing an irresponsible young shopper overspending in a 50 percent off sale. They then use store ads to calculate 10, 25, 50, and 75 percent discounts on items.
PBS
Relative Reasoning in Finance
Take stock of your financial knowledge. As part of the Math at the Core MS: Ratios series, future investors consider the financial well-being and the environmental stewardship of companies in which to invest. They calculate an emissions...
PBS
The Lowdown — The Math of Trash: Percents and Proportions
Don't toss the lesson in the trash. Scholars watch an informative, up-to-date video that discusses how percents and proportions help clarify data about trash, recycling, and climate change. They consider their own trash output and create...