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Teach Engineering

An Inflated Impression of Mars

For Teachers 6th - 8th Standards
Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...
Lesson Plan
Curated OER

Ratios and Proportions

For Teachers 4th - 6th
In this ratios and proportions worksheet, students complete a series of short answer questions based on different charts and word problems dealing with ratios and proportions. Students complete 9 problems.
Worksheet
Curated OER

Ratio and Proportion: Proportional Ratios

For Students 6th - 8th Standards
In this ratios worksheet, students write yes or no for if the ratios given are proportional or not. Students complete 7 number problems and 5 money problems.
Worksheet
Curated OER

Proportion Game

For Students 4th - 6th
In this proportion game worksheet, students read the guideline regarding a game pertaining to ratios and play it with a partner.
Worksheet
Curated OER

Ratio & Proportion for Algebra I

For Students 7th - 8th
In this ration & proportion for Algebra I activity, students answer twenty-three word problems involving ratio and proportion.
Worksheet
Curated OER

Ratio and Proportion-- Sweets in a Bag

For Students 5th - 6th
In this math worksheet, learners study ratio and proportion by solving 12 word problems. The examples pertain to the color of candies in a bowl and also the ration of boys to girls in a classroom.
Worksheet
Curated OER

Ratio and Proportion Word Problems

For Students 8th
In this ratio and proportion worksheet, 8th graders solve 10 different word problems that include determining the ratio and probability of events described. First, they determine the ratio of hawks to crows in a cornfield. Then, students...
Worksheet
Curated OER

Ratios and Proportions

For Students 4th - 5th
In this math worksheet, students examine 4 ratio and proportion problems which have picture clues to help. Students solve the problems and express the proportions as fractions and simplify.
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.
Worksheet
Curated OER

Proportions

For Students 7th - 8th
In this proportion learning exercise, students identify equivalent fractions and solve proportions. This one-page learning exercise contains ten problems.
Worksheet
Curated OER

Algebra Using Proportions

For Students 10th
For 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...
Worksheet
Curated OER

Proportion Problems

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

Angular Size and Similar Triangles

For Students 8th - 10th
In this angular size and similar triangles instructional activity, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.
Worksheet
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Curated OER

Direct Variation

For Students 9th - 11th
In this algebra learning exercise, students solve equations by applying direct variation relationship. They solve problems using proportions and ratios while using direct variation. There are 3 problems with an answer key.
Lesson Plan
Illustrative Mathematics

Running at a Constant Speed

For Teachers 5th - 7th Standards
The learner must use the given constant speed to find the unit rate. A table is made in order to relate the speed to the time and the distance. From the table, learners are able to see the unit rate in miles per minute and miles per...
Worksheet
Curated OER

Unit 5: Worksheet 3 - Similar Triangles

For Students 8th - 9th
In this similar triangles worksheet, students use proportions to solve for the missing sides of similar triangles. This two-page worksheet contains 16 multi-step problems.
Instructional Video14:57
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Flipped Math

Similar Figures

For Students 9th - 12th Standards
Use some similar problems to find side lengths. Pupils learn the definition of similar figures and how it relates to corresponding angles and sides. Using the definition, individuals calculate the lengths of missing sides and practice...
Interactive
Curated OER

Ratio and Proportion Crossword Puzzle

For Students 9th
In this Algebra I worksheet, 9th graders solve a crossword puzzle that is based on the vocabulary associated with ratio and proportion.  The one page interactive worksheet contains fourteen clues and is self checking. 
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

Worksheet 2: In/Out Table of Returns of Corn Yields

For Teachers 7th - 8th
In this function worksheet, students determine the gross price earned per acre of crops planted. They recognize ratios and proportions as they determine the yield of each crop.
Worksheet
Curated OER

Leveled Problem Solving Using Proportions with Similar Polygons

For Students 6th - 7th
For this proportions and similar polygons worksheet, students solve the problems that use proportions, rations, fractions, and similar polygons.
Worksheet
Curated OER

What are Atoms?

For Students 9th - 12th
In this atom worksheet, students read about Dalton's contributions to the structure of the atom. They answer five questions about Dalton's ideas, the law of multiple proportions and the law of definite proportions.
Worksheet
Curated OER

Family Letter and Activity: Cars, Trucks and Percents

For Students 4th - 5th
In this math worksheet, students will take home a letter to their parents explaining that they are studying Chapter 10: Ratio, Proportion and Percent. Then kids will complete a homework activity in which they ask family and friends what...
Interactive
Curated OER

Similar Polygons

For Students 7th - 8th
In this similar polygons worksheet, students identify the corresponding sides of polygons.  They use proportions to solve problems.  Students determine the scale factor of similar figures.  This two-page worksheet contains...

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