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Lesson Plan
Curated OER

Art Class, Variation 1

For Teachers 6th - 8th Standards
Student statisticians calculate ratios to determine how many shades of green were mixed by Ms. Baca's art class. They graph the number of blue parts against the number of yellow parts for each combination and discover that some produce...
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Lesson Plan
Illustrative Mathematics

Art Class, Assessment Variation

For Teachers 7th - 9th Standards
Play with paint and decide the ratio to make different shades of green. When mixing paint colors, your painters should decide which ratios make the same shade and what is needed to mix other ratios for a different shade of green. This is...
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Worksheet
Curated OER

Ratio Problems and Bar/Block Models Two

For Students 5th - 8th
Learners complete word problems about ratios using fractions, money, and more. Pupils complete four problems.
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Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (2 of 2)

For Students 6th - 9th Standards
In this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
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Lesson Plan
Curated OER

Stock Swaps, Variation 3

For Teachers 6th - 8th Standards
More on the fictitious takeover of the Apple Corporation by Microsoft. For this scenario, Microsoft has $28.00 per share to spare, so how many do they need to offer to make an even trade? This is an engaging problem to solve when...
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Lesson Plan
Curated OER

Ratios, Proportions, and Percents

For Teachers 8th
Eighth graders use ratios and proportions to solve real-life problems.  In this using ratios and proportions to solve real-life problems lesson, 8th graders estimate the cost of a road trip.  Students estimate the distance between two...
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Worksheet
Curated OER

Proportional Reasoning: Ratio Applications

For Students 8th
In this ratio applications learning exercise, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write...
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Lesson Plan
Curated OER

One Size Fits All, Part 1

For Teachers 5th - 8th
Can you tell how tall someone is just by looking at their feet? In this activity, young mathematicians measure their height, arm span, and foot size, graph their findings, and answer questions about how these measurements are related....
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Lesson Plan
NTTI

If You Hopped Like a Frog

For Teachers 6th - 8th Standards
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
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Lesson Plan
Illustrative Mathematics

Sore Throats, Variation 2

For Teachers 6th - 8th Standards
What does math have to do with a sore throat? When you mix water and salt you have a great review of how to represent proportional relationships by an equation or graph. Here the proportions of the mixtures may be different, but the...
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Lesson Plan
Curated OER

Measure for Measure

For Teachers 6th - 12th
Young mathematicians work to recognize the relationship between their scale models of the Joides research vessel and the real vessel. They calculate the relationships between various parts of the ship using fractions, ratios, and...
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Lesson Plan
Curated OER

Proportional Problems 1

For Teachers 8th
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
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Lesson Plan
EngageNY

Linear Equations in Disguise

For Teachers 8th Standards
In the eighth segment of a 33-part unit, learners look at equations that do not appear to be linear at first glance. The equations are proportions where the numerators and denominators may have more than one term. To round out the...
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Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (1 of 2)

For Students 5th - 10th Standards
Here is a set of 24 pairs of numbers for which kids reduce the ratios to their simplest form. It is a simple and straightforward assignment, meant by the publisher to address CCSS.Math.Content.6.RP.3. Note, however, that it only requires...
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Lesson Plan
Curated OER

Robot Ratios

For Teachers 8th - 10th
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.
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Lesson Plan
Curated OER

Are You a Golden Ratio?

For Teachers 6th - 8th
Learners explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a golden ratio.
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Lesson Plan
Curated OER

A Matter of Proportion

For Teachers 6th - 8th
Learners 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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Lesson Plan
Curated OER

Shots, Standings, and Shopping

For Teachers 6th - 8th
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
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Worksheet
Lane Community College

Review Sheets: Basic Mathematics 2

For Students 5th - 8th Standards
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 
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Lesson Plan
Curated OER

Ratio

For Teachers 8th - 10th
Students calculate the ratio and apply it to construction. In this geometry lesson, students convert between different units and use decimals and fractions interchangeable. They find the fraction of a given amount using the calculator.
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Lesson Plan
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Curated OER

Art Class, Variation 2

For Teachers 6th - 8th Standards
Given a set of six paint mix ratios, artistic mathematicians produce an equation that relates the number of parts for blue paint to parts for yellow paint resulting new shades of green. 
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Lesson Plan
Bowland

Water Availability

For Teachers 6th - 8th
Just how scarce is water in different parts of the world? Through these water lessons, young data analysts use provided data to investigate the scarcity of water in countries of the Middle East and Africa. They use ratios and rates to...
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Lesson Plan
Illustrative Mathematics

Buying Bananas, Assessment Version

For Teachers 7th - 9th Standards
Practice with unit rates, proportions, and ratios when Carlos purchases an amount of bananas. Learners must interpret a graph to decide whether points on the same line represent similar proportional relationships. Use with lesson plans...
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Lesson Plan
Curated OER

Exploring Biomes Lesson 3: Endangered Biomes

For Teachers 6th - 10th
Future environmental scientists compare data from two different conservation strategies. Alone this lesson plan is sufficient, but as part of the Exploring Biomes unit produced by the Arizona Fish and Game Department, it becomes top-notch.