Curated OER
Proportions and Scale Factor for Measurement
Students explore the concept of proportion. In this proportion lesson, students use google maps to find the distance the their school is from home. Students discuss what a scale factor is through teacher led discussion. Students...
Illustrative Mathematics
Cooking with the Whole Cup
Whoops! Travis accidentally put too much butter into the recipe. Your bakers must find out how to alter the recipe to accommodate different changes by using unit rates and ratios . The activity has multiple parts and calculations with...
Curated OER
A Recipe For Success
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Curated OER
Balancing the Scales: Understanding Ratios
Students are introduced to the concept of ratios. In groups, they convert sets of numbers into a ratio. After practicing, they use the ratios and proportions to solve story problems. They also calculate map distances and discover map...
Curated OER
Investigation - The Local Bagel Shop
Sixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...
Curated OER
Rates and Proportions
Young scholars read a cookie recipe and complete a worksheet that asks them to establish ratios and proportions for various ingredients in the recipe.
Curated OER
Currency Exchange
Learners investigate the currency exchange rate. In this middle school mathematics lesson plan, student use proportions to exchange between the U.S. dollar and the euro. Students come up with a product they would like to buy and...
Curated OER
Australian food
Use ratio and proportions to adjust recipe size. Middle schoolers investigate Australian food and adjust the recipe size for said foods according to the given situation. They then prepare Australian foods.
Curated OER
Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion lesson plan, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a better...