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Worksheet
Curated OER

Ratios: dividing numbers into ratios

For Students 5th - 8th
For this ratios worksheet, students divide 2 digit numbers into ratios of one digit numbers. Students complete 6 problems total.
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Worksheet
Curated OER

Ratios: true or false

For Students 6th - 10th
In this ratios worksheet, students answer true or false to the ratios in each problem whether they are correct or not. Students complete 10 problems dealing with numbers less than 30.
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Worksheet
Curated OER

Ratios: colored circles

For Students 3rd - 5th
In this ratio worksheet, students answer short answer questions about the ratio of colored circles to one another. Students complete 9 problems.
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Worksheet
Curated OER

Reducing Ratios

For Students 5th - 6th
In this reducing ratios activity, students reduce or simplify 8 ratio expressions by finding common factors for the two numbers.
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Worksheet
Curated OER

Ratio word problems

For Students 4th - 6th
In this ratios worksheet, students read word problems containing one and two digit numbers and answer 3 ratio questions for each problem. Students complete 9 ratio problems total.
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Worksheet
Curated OER

Proportions

For Students 6th - 10th
In this ratios learning exercise, learners find the missing number in the second ratio in the problem. Students complete 9 ratio/proportion problems.
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Worksheet
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Ratios: missing number

For Students 5th - 8th
In this ratios worksheet, students find the missing number in each ratio for numbers up to 10. Students complete 7 ratio problems.
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Lesson Plan
Curated OER

Atlatl Lessons for Grade 8

For Teachers 8th
Eighth graders explore the weapons of the Aboriginal people.  In this eight grade math/science lesson, 8th graders collect and analyze data regarding the speed and distance of a dart thrown with an atlatl.  Students choose the...
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Lesson Plan
Curated OER

If Those Dolls Were Real People

For Teachers 7th - 12th
Students explore shape perceptions. In this body image lesson, students take measurements of childrens' toys and use ratios to determine what the dolls would look like if they were real human people. Students discuss the implications of...
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Lesson Plan
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Painting in Pink and Red

For Teachers 3rd - 5th
Young scholars mix red and white to make different hues. In this color mixing lesson plan, students make a Valentine's Day project with a variety of shades of red and pink. They find the ratio of red and white and the color it creates. 
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Worksheet
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Percent of Change

For Students 8th - 10th
For this percent of change worksheet, students calculate the change in two whole numbers. They compute the percent of change and indicate if it is an increase or decrease.
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Worksheet
Curated OER

Ratio & Proportion for Algebra I

For Students 7th - 8th
In this ration & proportion for Algebra I worksheet, students answer twenty-three word problems involving ratio and proportion.
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Lesson Plan
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Ratios, Proportions, and Percents

For Teachers 8th
Eighth graders use ratios and proportions to solve real-life problems.  In this using ratios and proportions to solve real-life problems lesson, 8th graders estimate the cost of a road trip.  Students estimate the distance between two...
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Interactive
Curated OER

My Test Book: Ratios

For Students 5th - 6th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding ratios. Students may view the correct answers.
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Interactive
Curated OER

My Test Book: Ratios and Proportions

For Students 5th - 6th
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding ratios and proportions. Students may view the correct answers.
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Interactive
Curated OER

My Test Book: Ratios, Fractions, and Decimals

For Students 6th - 8th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding ratios, fractions, and decimals. Students may submit their answers to be scored.
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Worksheet
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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.
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Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (1 of 2)

For Students 4th - 6th Standards
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
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Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (1 of 2)

For Students 5th - 10th Standards
Here is a set of 24 pairs of numbers for which kids reduce the ratios to their simplest form. It is a simple and straightforward assignment, meant by the publisher to address CCSS.Math.Content.6.RP.3. Note, however, that it only requires...
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Lesson Plan
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What's My Ratio?

For Teachers 3rd - 5th
Students investigate ratios of various objects.  In this ratios of various objects lesson plan, students draw pictures on graph paper and then dilate or shrink the image.  Students determine the ratio of their pictures.  Students trade...
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Lesson Plan
Curated OER

Altitude Locator

For Teachers 9th - 12th
High schoolers use protractors, strings, and straws to construct a device used to determine the height of tall objects. In this applied geometry lesson, students use common objects to construct a tangent height guide. They use principles...
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Worksheet
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Investigating Scale of Model Trains

For Students 6th
In this investigating scale of model trains worksheet, 6th graders solve one ratio problem for trains of three different scales.
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Worksheet
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Problem solving

For Students 5th - 6th
In this problem solving worksheet, students use multiplication and ratio strategies to solve the problems. Students complete 6 problems.
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Worksheet
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Similar Figures

For Students 4th - 5th
In this similar figures worksheet, students determine area and perimeter of rectangles and triangles, then explain their thinking. Answers included on page 2.