Learning About Ratios: A Sandwich Study

How much sugar is in one bottle? Pupils use double number line diagrams to determine the amount of sugar in a 1L bottle of cola. The teacher leads a discussion on ways that double number lines can be of assistance in solving a...

Create ratios using the boys and girls in the class. The first activity in a 29-part series introduces ratios. Pupils learn to create ratios, write them, and model them with tape diagrams. Class members realize that there are different...

Add some holiday cheer to your math lessons with this problem-solving worksheet. From problems comparing the number of ears and legs of Santa's reindeer, to finding the ratio of colored lights on a Christmas tree, a...

Combine total quantities and equivalent ratios in problem solving. The fifth lesson plan in a series of 29 presents problems that can be solved using equivalent ratios. Pupils use part-to-part ratios and either sums or differences of the...

Pupils continue the study of ratios by creating ratios from a context. The contexts present more than two quantities, and scholars create contexts that match given ratios. 

How do ratios work in geometry? The video answers just this question in order to help your class master an important skill. Using the concept of ratios, this segment in an extensive geometry playlist applies ratio reasoning to...

At this rate, you'll know all about ratios in no time. Scholars view a short video that discusses advanced concepts regarding ratios and rates. They first determine the speed of a subway from a graph, and then find unit rates given...

What is the ratio of wins to total games for Mia's soccer team? RJ teaches viewers how to figure it out with a step-by-step procedure. He shows them three different ways to represent ratios: word form, ratio form, and fraction form. 

Identify the correct ratios for food. Pupils play a six-level online game to practice identifying ratios. Learners see ratios in several forms mixed in with non-ratio quantities. Individuals click on each ratio to feed the hungry martian...

And the beat goes on. The installment of the Math at the Core: Ratios series introduces time signatures in music. A musician shows the relationship between different types of musical beats. Working in pairs, classmates create beat...