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Worksheet
Curated OER

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
Curated OER

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
Curated OER

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.
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Lesson Plan
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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.
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Worksheet
Curated OER

Algebraic Translator

For Students 5th - 10th
In this algebra worksheet, students complete word problems with ratios, splitting up numbers, and all operations. Students complete 10 word problems.
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Lesson Plan
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Count the Differences

For Teachers 9th - 12th Standards
Pupils find the difference between consecutive y-values on the calculator and write an equation that fits the data.  They continue finding the differences in consecutive y-values using lists on their calculator. Learners conclude as they...
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Lesson Plan
Curated OER

Punch Mix-up

For Teachers 5th
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
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Lesson Plan
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Number: Ratio

For Teachers 3rd - 4th
Students explore the concept of ratios. In this ratio lesson, students complete a ratio worksheet and play a multiplication game that requires them to solve multiplication facts.
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Lesson Plan
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Estimating Distance and Time

For Teachers 3rd - 5th
Students analyze a Cyberchase video to help them understand how to estimate the time it takes to travel distances. In this time lesson, students use ratiosand repeated addition to calculate how much air the characters in the video need...
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Lesson Plan
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Size Small School

For Teachers 6th - 8th
Middle schoolers explore the concept of scale and ratio.  In this scale and ratio instructional activity, students work in groups to measure a given space such as a hallway, office, or gym.  Middle schoolers measure their area using a...
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Lesson Plan
Curated OER

Atlatl Lessons Grade 4-12

For Teachers 4th - 12th
Students experiment with velocity, ratios, and rates. In this data management lesson, students throw a dart with and without using an atlatl and collect and record various data. Students construct ratios based on the data and determine...
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Worksheet
Curated OER

Music Styles

For Students 4th - 6th
In this music styles instructional activity, students fill in a chart about the different music styles of their classmates and find the ratio, fraction, decimal, and percent of each style. Students complete 4 styles.
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Lesson Plan
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Proportion Problems

For Teachers 7th
Seventh graders explore the concept of proportions. In this proportions lesson plan, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students write...
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Lesson Plan
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Similarity and Congruence

For Teachers 9th - 12th
High schoolers explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. High schoolers try to prove that their triangles are congruent using the SSS...
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Lesson Plan
Curated OER

The Snack Bar

For Teachers 6th
Sixth graders complete a purchase order. In this ratios and patterns lesson, 6th graders work in groups to complete a purchase order for a grand opening of the school snack bar. Students use rations to figure out the need and quantity...
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Worksheet
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Ratio and Proportion 2

For Students 5th - 6th
In this ratio worksheet, students analyze the number of orders taken for different foods in a cafe. Students solve 8 ratio and proportion problems using the numbers in the data table. There are detailed examples on the page.
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Worksheet
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Ratio and Proportions

For Students 5th - 6th
In this ratio and proportion worksheet, students use pictures to understand that ratios are comparisons. Students solve 10 questions pertaining to ratios and proportions.
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Lesson Plan
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Percents

For Teachers 4th - 5th
Students explore the concept of percents. In this percents lesson, students discuss the prefix cent and words that contain that prefix. Students make bead necklaces and determine the percentages of certain beads in relation to the necklace.
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Lesson Plan
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Similarity and Congruence

For Teachers 9th - 12th
Students explore the concept of similarity and congruence. In this similarity and congruence lesson plan, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems...
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Lesson Plan
Curated OER

History of Our Solar System Time Line

For Teachers 9th
Ninth graders explore the concept of ratios. For this ratio lesson, 9th graders construct a to scale time line that starts at the beginning of time. Students determine the correct placement of big events in time such as when the...
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Lesson Plan
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Solving Problems with Proportions

For Teachers 7th
Seventh graders explore the concept of proportions. In this proportion lesson, 7th graders play a review game involving whiteboards. Students work in groups to solve a given proportion the fastest. Students also work in pairs to solve...
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Ratios

For Teachers 6th - 7th
Students explore the concept of ratios. In this ratios lesson, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style lesson.
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Lesson Plan
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Identify Similar Figures

For Teachers 6th - 7th
Students explore the concept of similar figures. In this similar figures lesson, students develop the idea that similar figures are a different size but the same shape by comparing similar rectangles. Students use patty paper to trace...
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Lesson Plan
Curated OER

Ratio, Percent, & Proportions

For Teachers 7th
Seventh graders explore the concept of percents, ratios, and proportions. In this percents, ratios, and proportion lesson plan, 7th graders have 237 ounces of beads to weigh. Students work in groups to weigh the beads in a way so that...