Ratio and Proportion

Your learners will strengthen their understanding of the mechanics of solving proportions when they complete this learning exercise of practice problems.

In this solving proportions using cross products practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.

It's all proportional. Learners watch an instructive video that explains how to solve proportions. the resource covers how to use mental math by reducing one of the sides of the proportion and then applying a multiplicative relationship....

Join Zoe and Sam as they use proportions to budget money for their Green Earth Club. Watch as they set up and solve a series of proportions using cross multiplication and division. A great resource that brings together prior knowledge of...

Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...

Duane demonstrates how to look at the relationship between the ratios to find the value of a variable to make equal proportions. He demonstrates a vertical, horizontal and a cross multiplying relationship of the ratios.

Cross multiply and solve for the unknown variable in this proportion problem. Then use the division property of equality to isolate that variable and get your solution.

Are these two given ratios proportional? One quick and easy way to answer this question is to cross multiply the two values. If the products are equal then they are proportional ratios. If they are not equal then they are not...

Video tutorial demonstrates how to solve a percent proportion using the means-extremes property of proportions to cross multiply. [1:09]

[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using cross-products. Students examine guided notes, review guided practice, watch...