All About Ratios

What do fractions and ratios have in common? What is unique about fractions and what is unique about ratios? Lead a discussion and model some examples. Then, pose some questions and have your mathematicians set up the ratios. Check for...

This turn-key unit on ratios and unit rates walks through a 30-lesson unit on teaching proportional reasoning, with each lesson broken into detailed teaching notes and time allotments for all parts. An unbelievable resource when taken...

Upper elementary and middle school pupils fill out a chart creating six equivalent fractions and then compare them to six different objects and/or shapes. They group together 16 various terms related to ratios and proportions. Pupils...

This comprehensive unit on proportional thinking is an excellent resource for any middle-school math class, whether added wholesale to the curriculum or used to supplement existing material. Lead-in problems and activities culminate in a...

Ratios are all about relationships and this video shows two different ways to find those patterns. The prior video in the six-part video series sets up the ratio with addition, and this video focuses on the multiplicative reasoning. Show...

Recipes are a great way to connect ratios with real life, because sometimes we just need a bigger batch. Show your middle schoolers how to set up a ratio with the recipe for fruit punch and organize it into a table with this first video...

Converting units are ratios in disguise and can be easy solve. Although this video is the last in a series about different methods to solve ratio problems, it does not have to be used in conjunction with this series. It introduces the...

Organization is the best way to make sure that ratios are set up correctly to be proportional. This video reviews how to solve ratio problems with addition and multiplication, shown in more detail in the prior two videos of this series,...

The series of videos introduces five ways to solve ratio problems, but how do you choose which one to use? In the video, show class members that they can pick any strategy to solve their problem to see how each option gives the same...

The Common Core is all about ratios and proportions, and this video uses that method to calculate percents. This is the second video in a series that organizes information from an ice cream poll into a proportion to find how many vanilla...