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Lesson Plan
Curated OER

Pedal Power

For Teachers 8th - 10th
Employ proportional reasoning and algebraic understanding to a determine a real world math quandary. Intel has created a project based unit to engage learners in using algebra to describe the physical world. They will create equations,...
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Lesson Plan
Curated OER

Equations from Unit Rates

For Teachers 7th - 10th
Your class can become linear equations masters, as they calculate the rate of change of a function. They observe different types of coordinates as they relate to a graph, then use the Ti-navigator to move the line around and draw...
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Lesson Plan
Curated OER

Get Geared Up

For Teachers 9th - 11th
Middle schoolers calculate gear ratio as they solve word problems. They discuss and find slopes as they relate to real life. Additionally, they hey use ratio and proportion to make predictions and solve problems.
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Worksheet
Curated OER

Ratios and Equivalent Ratios

For Students 6th - 7th
In this equivalent ratios worksheet, students simplify 6 ratios and write each in 2 different ways. Students solve 8 proportional equations using equivalent ratios to find a missing term. Students solve 2 test prep questions regarding...
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Lesson Plan
Curated OER

Rational Equations and Proportions

For Teachers 7th - 8th
In this rational equations worksheet, students solve and complete 11 various types of problems. First, they find a number that is the reciprocal of one described in each statement. Then, students solve for the variable in each expression.
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Lesson Plan
Curated OER

Size It Up: Map Skills

For Teachers 9th - 10th
Compare information from a US population cartogram and a standard US map. Learners draw conclusions about population density by analyzing census data a population distribution. They discover that census data is used to apportion seats in...
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Worksheet
Curated OER

A Proportional Fish Story

For Students 4th - 5th
In this proportions worksheet, students identify and complete 8 different problems that include using proportions to build scale models of various animals. First, they use the scale to complete the chart and draw lines representing the...
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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.
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Worksheet
Curated OER

Countdown Challenge: Measuring Angles

For Students 7th - 8th
In this measuring angles learning exercise, students draw hands in clock face to depict a given time. Next, they observe the angles created by the hands and determine the number of degrees. Students write proportions to solve the...
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Lesson Plan
Curated OER

Rate-of-Work Problems

For Teachers 9th
In this rate-of-work worksheet, 9th graders read word stories and gather information. They write an equation for the story and solve the problem. There are five problems, with answers, provided on this one-page worksheet.
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Lesson Plan
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Applications Involving Quadratic Equations

For Teachers 8th - 9th
In this algebra worksheet, pupils solve 6 word problems. Problems include the necessary equations. Students solve 5 formulas by isolating the indicated variable.
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Lesson Plan
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Solving Applications: Systems of Two Equations

For Teachers 8th - 9th
In this algebra worksheet, students solve 9 word problems. Each problem involves two sets of information that students must translate into math symbols. The two equations are then solved for the one solution that is true for both.
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Lesson Plan
Curated OER

Worksheet #5: Mixture Word Problems

For Teachers 9th - 10th
In this mixture word problem worksheet, students read story problems and determine what information is necessary to solve the mixture problem. They identify the correct solution, graph inequalities, and solve inequality equations. Nine...
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Lesson Plan
Curated OER

Worksheet #4: Simplify Algebraic Expressions With Two Variables

For Teachers 9th - 10th
In this algebraic expression worksheet, students simplify algebraic expressions and solve proportions, and write equations from story problems. Thirteen of the 49 problems are fill in the blank, and the remainder are multiple choice.
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Lesson Plan
Curated OER

The Distance Formula and Marching Nonviolently for Social Change

For Teachers 9th - 12th
Students explore the distance formula using real world data from nonviolent marches for social change.  In this secondary mathematics lesson, students investigate the marches of Gandhi and King using maps overlaid with a coordinate...
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Worksheet
Curated OER

Ratio Tables

For Students 7th - 8th
In this ratio table worksheet, learners complete ten ratio tables. Students identify three equivalent fractions to equal the value of the given one. This one-page worksheet contains ten problems.
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Lesson Plan
Curated OER

Using Proportions to Solve Problems

For Teachers 6th
Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...
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Lesson Plan
Curated OER

Proportionality, Ratios and Constant Variation

For Teachers 9th - 11th
Students use Scion Image to estimate the proportion of space images. In this proportion lesson, students investigate the online site of Image of the Orbitor and relate the dimensions and sizes to known sizes.
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Interactive
Curated OER

What Percent of a Number is a Number?

For Students 6th - 12th
In this algebra worksheet, students answer the question to what percent of a given number is a given number by setting up a percent proportion. There are 10 questions.
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Worksheet
Curated OER

Using Similar Polygons

For Students 10th
In this geometry worksheet, students use the properties of similar polygons to find the indicated missing length or the scale factor. The two page worksheet contains twenty-two questions. Answers are included.
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Worksheet
Curated OER

Kuta Software - Infinite Geometry: Similar Triangles

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

Effects of Changing Dimensions Proportionally

For Teachers 10th
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are  included. 
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Worksheet
Curated OER

Glencoe - Proportions and Similar Triangles

For Students 9th - 12th
In this proportions and similar triangles learning exercise, students solve 14 multiple choice problems. Students find unknown sides of similar triangles using proportions. Students multiply means and extremes to solve proportions.
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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 diagrams and...