Lesson Plan
Curated OER

Applications, Proportions, and Problem Solving

For Teachers 6th - 9th
In this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
Worksheet
Curated OER

Proportions

For Students 7th - 8th
For this proportion worksheet, learners identify equivalent fractions and solve proportions. This one-page worksheet contains ten problems.
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

Unit 5: Worksheet 4 - Proportion

For Students 8th - 10th
In this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...
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.
Lesson Plan
Illustrative Mathematics

Finding a 10% increase

For Teachers 6th - 8th Standards
A quick problem to test your mathematicians' knowledge on percent increase. Two different solutions are provided, mental math and computing. Ask your learners to include a description of what they did to supplement their answer.
Worksheet
Curated OER

Countdown Challenge: Shadow Sleuth

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

Tax and Tip

For Teachers 6th - 8th Standards
Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...
Worksheet
Curated OER

Countdown Challenge: Similarity

For Students 7th - 8th
In this similarity worksheet, students use similar rectangles to find the length of a diagonal. They use symbols and write paragraphs to explain the problem. This one-page worksheet contains one similar problem with 13 related questions.
Handout
Cabrillo College

Elementary Algebra

For Students 8th - 11th Standards
Hello Algebra! If you're in need of a resource with a books worth of examples and practice problems, this is it. Some topics include linear equations, polynomials and exponents, rational expressions, quadratic equations, and a...
Worksheet
Curated OER

Earth Moon Scaling

For Students 6th - 12th
A wonderful lesson incorporating math and physics skills along with specific details about the planetary bodies. The cross-curricular approach makes for a valid activity to challenge multiple ages and abilities. Your class could work in...
Worksheet
Curated OER

Similar Triangles

For Students 10th
In this similar triangles worksheet, 10th graders solve and complete 10 different problems related to determining the sides of similar triangles. First, they write three equal ratios to show the corresponding sides that are proportional....
Worksheet
Curated OER

Exploring Similar Polygons

For Students 10th
In this exploring similar polygons worksheet, 10th graders solve 9 various types of problems related to determining whether each polygon is similar or not. First, they write 3 equal ratios to show corresponding sides are proportional to...
Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures instructional activity, students identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according...
Worksheet
Curated OER

Percent Notation

For Students 7th - 10th
For this algebra worksheet, students divide circles into equal portions as they explore percents and decimals. They convert between decimals and fractions using ratio and proportion. There are 8 questions.
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...
Worksheet
Curated OER

Ratios

For Students 6th
For this ratios worksheet, 6th graders solve and complete 3 different types of problems. First, they divide each amount shown in the ratio of 2 to 3. Then, students explain why the amounts worked out to be whole numbers.
Worksheet
Curated OER

Leveled Problem Solving Solving Proportions Using Cross Products

For Students 4th - 7th
In this solving proportions using cross products practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Interactive
Curated OER

Math Test Practice-Grades 4-6

For Students 4th - 6th
In this math test practice learning exercise, students complete a total of 10 problems using a variety of concepts. Page has links to answers and additional activities.
Interactive
Curated OER

Using Proportions Self Check Quiz

For Students 9th - 10th
In this geometry worksheet, students identify the different ratios of triangles using the theorems. They use SSS, SAS, ASA and AAS to differentiate between triangles. There are 7 questions with an answer key.
Worksheet
Curated OER

Exploring Similar Polygons

For Students 10th
In this exploring similar polygons worksheet, 10th graders solve 9 various problems that are related to similar polygons. First, they define similar and the symbol used to identify similar to another. Then, students find the measurement...
Worksheet
Curated OER

Largest Hamburger Ever?

For Students 5th - 7th Standards
If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...
Worksheet
Curated OER

Direct Proportion

For Students 6th - 9th
In this direct proportion worksheet, students read through an example problem and 2 practice questions on how to use direct proportions. Then, students use direct proportions to solve 20 additional questions.
Lesson Plan
Curated OER

Rates And Unit Price

For Teachers 8th - 10th
For this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.