There's Gold in Them Thar Ratios

Find here a complete lesson dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details the growth rates...

Inspire mathematicians to see how ratio concepts can be used to plan a class bash! They determine which candy is the best deal. They alter a recipe to produce enough baked treats. They select the most cost-effective contents for a goodie...

Future bakers, cooks, or party planners will benefit most from this lesson in using proportional relationships to alter recipes. Everyone brings in a favorite dessert recipe, and they work to half, double, or triple it. Practical and...

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...

How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes...

Rates, ratios, and proportions get the star treatment in this detailed and extensive pre-algebra unit. The main performance activity comes in several parts and thoroughly covers much of the standard curriculum involving proportional...

Do these items have the same ratio? Through a learning contract, pupils master proportions by practicing proportions via word problems, graphs, and with manipulatives. An exit ticket checks for understanding at the end of the...

Take your class on a field trip to Fractalland where they'll learn all about number and shape patterns. Based on Disney's movie Alice in Wonderland, this resource takes young mathematicians on an adventure as they explore patterns in...

After viewing a nutritious presentation on salads as any part of a meal, viewers participate in a paper-folding activity to prepare them to calculate ratios of salad dressing ingredients. As an assessment, they actually make a...

Need to build a laser fence on Mars?  In this cute maximizing-area lesson, young explorers pretend to be prospectors on Mars and must determine the best way to use 20 meters of fencing in order to maximize their area. In addition, they...