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Origami Cube
Students compare two lengths using the area of a square. In this geometry instructional activity, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
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Spin Your Turbines
Young scholars relate electrical power and how it works to math. In this geometry lesson, students analyze how a hydroelectric plant works and calculate the amount of electricity that is produced by a typical generator. This lesson uses...
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Taste Test-- Ratios
In this math worksheet, students mix four "cocktails" of orange juice and lemonade in the different rations specified. Students rate the drinks and determine their favorite combination. Students answer 10 questions about the ratios in...
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It's All About Scale
Sixth graders investigate scale models of toys. In this scale models of toys lesson plan, 6th graders bring in toys from home to measure. Students discuss scale and what scale is used with their toys. Students determine...
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How Fast is Usain Bolt?
Revisit the 2012 Summer Olympics by having seventh graders calculate the unit rate sprinting speed of the 100-meter gold medal winner.
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Math: "Scales"
Third graders investigate ratios and rates. In this third grade mathematics lesson, 3rd graders identify equal ratios and rate and test for proportionality. This lesson is created to be use in conjunctions with a particular...
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Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, students solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Students express the exchange rate as a proportion or ratio.
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All About Ratios
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
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Proportion Game
In this proportion game learning exercise, students read the guideline regarding a game pertaining to ratios and play it with a partner.
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What's My Ratio?
Students investigate ratios of various objects. In this ratios of various objects lesson, students draw pictures on graph paper and then dilate or shrink the image. Students determine the ratio of their pictures. ...
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A Matter of Proportion
Middle schoolers measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
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Ratios (Cost of a Habit)
Students consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.
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Using Proportions Homework
In this geometry worksheet, students identify simple ratio and reduce to the simplest forms. They find the measure of missing sides and angles. There are 20 questions.
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Ratio
Students calculate the ratio and apply it to construction. In this geometry instructional activity, students convert between different units and use decimals and fractions interchangeable. They find the fraction of a given amount...
Mathematics Assessment Project
Sampling and Estimating: Counting Trees
Your task today: count all the trees on a tree farm. To complete the assignment, learners first estimate the number of trees on a tree farm using random sampling. To improve their own response they then evaluate provided...
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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.
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The Unitary Method
In this math worksheet, learners are given a proportion statement. They use this ratio to solve related questions. Students compute the amount of food needed for one person and then for 500 people. Learners convert between Euros, Pounds,...
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Dried Meat
Students investigate the traditional method of drying meat used by Native Americans. They apply math concepts such as ratio, proportion, percent, and scientific notation to determine the amount of meat the is dried from an animal using...
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Currency Exchange
Students investigate the currency exchange rate. For this middle school mathematics lesson, 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...
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Proportions
Seventh graders participate in a lesson that focuses on having them solve different proportions. The lesson includes an example that the teacher can work from in order to deliver direct instruction.
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Equivalent Proportions
In this equivalent proportion instructional activity, students identify ratios written in three different forms (with a colon, with the word "to" and as a fraction). Students write the ratios as a proportion and then determine their...
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Proportional Ratios
In this proportional ratios worksheet, 9th graders solve 10 different problems that include sets of fractions in each. First, they determine if the product of the means is equal to the product of the extremes. Then, students solve each...
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Proportions in Stories
Students solve problems dealing with ratios and proportions. In this algebra lesson, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.