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

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.
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...
Worksheet
Curated OER

Stoichiometric Relationships

For Students 10th - Higher Ed
In this reactions worksheet, students learn how to solve stoichiometric problems based on the mole ratios of a balanced equation. Then students complete 7 problems.
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

Kuta Software - Infinite Geometry: Similar Triangles

For Students 9th - 12th
In this similar triangles worksheet, learners solve 20 short answer problems. Students determine if two given triangles are similar.  Learners determine the type of similarity given two triangles. Students are given a sketch of the...
Worksheet
Curated OER

Proportional Ratios

For Students 9th
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...
Worksheet
Curated OER

Comparing Ratios

For Students 6th - 7th
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
Assessment
Noyce Foundation

Photographs

For Teachers 6th - 7th Standards
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
Assessment
Noyce Foundation

Cereal

For Teachers 6th - 7th Standards
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Assessment
Concord Consortium

Heights and Weights

For Students 7th - 9th Standards
Height is dependent on weight—or is it the other way around? Given data from a physicians handbook, individuals compare the height and weight of males and females at different areas. They calculate differences and ratios to assist with...
Assessment
Achieve

Corn and Oats

For Students 6th - 10th Standards
How much land does a parcel hold? How much fertilizer does it take for a field of corn? Pupils answer these questions and more as they apply ratio reasoning and unit analysis. 
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 7

For Students 6th - 8th Standards
In need of an all-inclusive seventh grade math resource? Packed full of the topics necessary for Pre-Algebra the packet includes practice problems with different difficulty levels. It works great for any supplemental use needed...
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.
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.
Worksheet
Curated OER

Using Proportions Homework

For Students 9th - 10th
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.
Worksheet
Curated OER

Similar Polygons

For Students 10th
In this similar polygons instructional activity, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In...
Worksheet
Curated OER

The Unitary Method

For Students 7th - 8th
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,...
Worksheet
Curated OER

Chapter 8 Extra Problems Worksheet: Similar Triangles

For Students 9th - 12th
In this similar triangles worksheet, students solve 6 similar triangles. Students use proportions to solve similar triangles and similar rectangles.
Worksheet
Curated OER

Percent Word Problems

For Students 7th - 9th
In this word problem worksheet, students find the percent of a number.  This two-page worksheet contains 18 problems.  Answers are provided on the last page.
Worksheet
Curated OER

Percent Equation 3

For Students 7th - 9th
For this percent equation worksheet, students use proportions to find the percent of a given number. This two-page worksheet contains 12 problems. Answers are provided on the last page of the worksheet.
Worksheet
Curated OER

Betting Game--Who's the Winner?

For Students 5th - 6th
In this betting game of odds worksheet, students review and discuss what odds mean and then play a game with a racing post and a ratio fact and worksheet.