Lesson Plan
Curated OER

Are You a Golden Ratio?

For Teachers 6th - 8th
Young scholars 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...
Worksheet
Curated OER

Equivalent Ratios

For Students 5th - 6th
In this equivalent ratios worksheet, students solve 4 problems in which equivalent ratios are found by completing a ratio table. Students multiply each term of the fraction by the same number.
Lesson Plan
Curated OER

A Matter of Proportion

For Teachers 6th - 8th
Students measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
Lesson Plan
Curated OER

Ratios

For Teachers 6th
Sixth graders investigate the concept of ratios and how they can be used to represent the comparison of quantities. The lesson is taught using a table or graph to compare two categories of data.
Worksheet
Curated OER

Algebra Using Proportions

For Students 10th
In this algebra using proportions worksheet, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the triangle shown and...
Worksheet
Curated OER

Three Bean Salads

For Students 4th - 5th
In this math worksheet, student compare the recipes for three different salads. Using the concepts of percents and proportions the amount of beans is calculated.
Worksheet
Curated OER

Proportion Problems

For Students 5th - 8th
In this proportions worksheet, students complete proportion word problems including one and two digit numbers. Students complete 6 numbers.
Lesson Plan
Curated OER

Introduction To Ratios

For Teachers 3rd - 5th
Young scholars engage in a lesson that is involved with ratios. They use the jigsaw in order to actively take part in the lesson. Students play the game with the ratio puzzle pieces. The puzzle is completed while using the follow up...
Worksheet
Curated OER

Word Proportions

For Students 4th - 8th
In this word proportions worksheet, students complete equivalent proportions to have the number equal to another form. Students complete 10 problems.
Worksheet
Curated OER

Solving Problems Using Equivalent Ratios

For Students 7th - 12th
In this equivalent ratios worksheet, students solve word problems when given an equivalent ratio of the answer. Students complete 7 problems.
Worksheet
Curated OER

A Geometry Worksheet - Similar Triangles

For Students 9th - 12th Standards
In this similar triangles worksheet, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Worksheet
Curated OER

Ratio and Proportion Problems

For Students 1st - 2nd
What is ratio? What is proportion? Two examples are shown before your pupils are given seven problems using either ratio or proportion. Consider having your learners illustrate a selection of the problems provided. 
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...
Lesson Plan
Curated OER

Old Glory

For Teachers 6th - 8th
Students utilize mathematical concepts such as: measurement, ratio and proportion and geometric probability to analyze the components of the U.S. Flag. They collect, organize and interpret data by constructing charts, tables and graphs...
Worksheet
Curated OER

Unit 5: Worksheet 3 - Similar Triangles

For Students 8th - 9th
In this similar triangles learning exercise, students use proportions to solve for the missing sides of similar triangles. This two-page learning exercise contains 16 multi-step problems.
Worksheet
Curated OER

Countdown Challenge: Shadow Sleuth

For Students 7th - 8th
In this shadow sleuth instructional activity, students use proportions and indirect measurement to determine the measurement of given objects. This one-page instructional activity contains three problems.
Lesson Plan
Curated OER

Frame Yourself

For Teachers 5th - 6th
Young ratio masters calculate and cut a frame (out of poster board) to accurately create an even frame around a picture of themselves. The frame needs to be proportional to the picture with constraints determined by the instructor. 
Lesson Plan
National Research Center for Career and Technical Education

Photoshop Scale

For Teachers 9th - 12th
Say cheese! Can your class take a great photo and size it to fit any need? A career and technology-centered lesson plan demonstrates the correct way to resize images in Adobe Photoshop. Scholars view a presentation and work individually...
Lesson Plan
EngageNY

Ratios of Fractions and Their Unit Rates 2

For Teachers 7th Standards
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of...
Lesson Plan
EngageNY

An Experience in Relationships as Measuring Rate

For Teachers 7th Standards
Compare the ratio of genders in classes with a lesson that revisits ratio terminology. After finding the ratio of boys and girls, the class then finds the time it takes to pass out papers and determines the associated rates.
Assessment
Mathematics Assessment Project

100 People

For Teachers 6th - 8th Standards
It's a small world after all. In the middle school assessment task, learners use data that imagines there are only 100 people in the world to answer questions about population demographics. Young mathematicians use ratio and proportional...
Activity
101 Questions

Leaky Faucet

For Teachers 6th - 8th Standards
A dripping faucet may be enough to drive you crazy, but it also teaches you a little about ratios. Presented with the volume of a sink and the rate the water is dripping, scholars must devise a plant to determine how long it will take...
Activity
101 Questions

Gas Light

For Teachers 6th - 8th Standards
You don't want to leave any learners stranded! Explore ratios using an analysis of gas mileage and distance. Given a scenario, individuals must determine if a car has enough gas to make it to the next gas stop.
Assessment
Concord Consortium

Hockey Pucks

For Students 5th - 7th Standards
Package design is a mathematical task for any business. Young scholars use a package design to determine the number of packages required for specific shipments. Using ratios, proportions, and fractions, they make decisions about the best...

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