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Lesson Plan
Curated OER

Scale Factor- Surface Area and Volume

For Teachers 9th - 10th
Students calculate the surface area and volume of shapes. In this geometry lesson, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
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Worksheet
Curated OER

Ratio and Rate

For Students 8th - 9th
In this Algebra I worksheet, students solve problems in which they differentiate between a ratio and a rate.  The nine page worksheet contains explanation, worked examples, and seventeen problems.  Answers are not included.   
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Worksheet
Curated OER

Converting Fractions & Decimals

For Students 4th - 8th
In this fractions and decimals worksheet, learners convert fractions, decimals, percents, and ratios. Students complete 10 problems total.
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Interactive
Curated OER

Similar Triangles Multiple Choice

For Students 8th - 10th
In this triangle relationships instructional activity, students identify measurements in similar and congruent triangles. Each problem features a drawing of two or more triangles. Students identify missing measurements. There are 5...
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Worksheet
Curated OER

Similar Objects

For Students 8th - 12th
In this geometry worksheet, students walk through the process of comparing the scale factor of two cylinders' surface area and volume and answer questions about the scale factor of prisms. There are 15 questions.
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Interactive
Curated OER

Ratio and Proportion Crossword Puzzle

For Students 9th
In this Algebra I learning exercise, 9th graders solve a crossword puzzle that is based on the vocabulary associated with ratio and proportion.  The one page interactive learning exercise contains fourteen clues and is self checking. 
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Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Students differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Students create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
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Lesson Plan
Curated OER

Proportions a/b=c/d

For Teachers 8th - 10th
Learners calculate distance and proportion of objects. In this algebra lesson, students define proportion and how it is used in math. They solve the problem through guided instruction.
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Lesson Plan
Curated OER

Robot Ratios

For Teachers 8th - 10th
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.
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Lesson Plan
Curated OER

A Blast From The Past

For Teachers 6th - 8th
Students investigate ratio and proportion as they solve problems. In this algebra instructional activity, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions...
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Lesson Plan
Curated OER

Spin Your Turbines

For Teachers 8th - 11th
Students relate electrical power and how it works to math. In this geometry lesson, students analyze how a hydroelectric plant works and calculate the amount of electricity that is produced by a typical generator. This lesson uses...
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Worksheet
Curated OER

Scaling Figures Two

For Students 5th - 8th
In this similar figures instructional activity, learners find the missing side of the larger figure when the smaller figure's sides are given. Students complete 4 problems.
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Worksheet
Curated OER

Ratios

For Students 4th - 8th
In this ratios worksheet, students are given the percentages and have to provide the ratios, fractions, and decimals for each number. Students complete 40 problems.
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Worksheet
Curated OER

Ratios-Conversions

For Students 4th - 6th
In this ratio worksheet, students complete a set of 4 charts, filling in conversions of ratios, fractions, percents or decimals. A website reference is given for additional activities. 
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Worksheet
Curated OER

Ratios

For Students 4th - 6th
For this ratio worksheet, students provide conversions for sets of ratios in charts, converting to fractions, decimals and percents. A website reference is given for additional resources. 
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Worksheet
Curated OER

Ratios

For Students 5th - 6th
In this ratio worksheet, students complete 4 charts, converting fractions to ratios, percents and decimals. A website reference is included for additional resources.
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Worksheet
Curated OER

Ratio of Perimeter and Area

For Students 6th - 12th
In this similar figures learning exercise, students complete a chart calculating the perimeter and area of four rectangles and then compare the ratios. There are 4 questions. 
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Worksheet
Curated OER

Integrated Algebra Practice - A.M.1 #2: Rates

For Students 9th - 12th
In this rates worksheet, students solve 10 multiple choice problems. Students find the unit price of an item to determine the best buy.
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Lesson Plan
Curated OER

Investigating Area and Perimeter of Polygons.

For Teachers 8th - 10th
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
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Lesson Plan
Curated OER

Surface Area to Volume Ratio

For Teachers 7th - 10th
Students examine the surface area to volume ratio and how they relate.  In this surface area lesson students complete several activities.
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Worksheet
Curated OER

Converting Fractions and Decimals

For Students 5th - 10th
In this conversions worksheet, students convert fractions, decimals, percents, and ratios. Students complete 10 problems in the chart.
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Worksheet
Curated OER

Converting Fractions and Decimals

For Students 5th - 10th
In this conversions instructional activity, students convert fractions, decimals, percents, and ratios. Students complete 10 problems in a chart.
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Worksheet
Curated OER

Converting Fractions and Decimals

For Students 4th - 8th
In this conversions worksheet, students convert fractions, decimals, percents, and ratios. Students complete 10 problems in the chart.