Associated Ratios and the Value of a Ratio

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 lesson 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...

Ratios may not be created equal, but they are equivalent. Pupils learn the theorem relating equivalent ratios and equal values in the eighth segment in a series of 29. Classmates use the theorem to determine whether ratios within...

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...

Here you will find an excellent presentation for introducing or reviewing ratio and proportion. Pupils are introduced to some terms associated with ratios and proportions. Next, they are given examples to work with in order to gain solid...

Sharing is caring, but sharing doesn't have to be equal. Scholars watch a video that shows how to partition a total using a given ratio. The method shown here is to find the cumulative number of parts, divide the total by the number of...

If mathematicians know one value, they can definitely find the other. Given a ratio and one quantity, individuals learn to find the other quantity. An instructional video describes how to first divide to find the amount for one part,...

The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class...

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...

Multiple discounts are always a good thing. Viewers of an informative video see how to calculate sale prices by applying multiple percent discounts. They also learn to determine the resulting total percent discount by multiplying ratios.