Curated OER
Ratios
Sixth graders pariticipate in a lesson that focuses on the finding of a ratio and using it to set up a proportion in realtionship to creating a scale drawing. This is done using given problems. It would be valuable for students to have...
Curated OER
A Matter of Proportion
Students measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
Curated OER
Rates And Unit Price
For this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.
Curated OER
Chapter 8 Extra Problems Worksheet: Similar Triangles
In this similar triangles worksheet, students solve 6 similar triangles. Students use proportions to solve similar triangles and similar rectangles.
Curated OER
Balobbyland City Planners
Students create a mini city using proportions that fit a model human they construct using tin foil. They plan the city including a library, sports arena, living spaces, parks and businesses. When constructing the paper buildings, they...
Curated OER
Similar Figures
Your class will use a TI calculator to drag vertices of rectangles and triangles to observe what happens to ratios of pairs of sides within each figure. They will apply the definition of similarity to identify similar shapes. The lesson...
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Similarity
Students find the factor of proportionality in similar polygons. In this similarity of polygons lesson plan, students measure the sides and angles of polygons and derive a factor of proportionality between corresponding pairs of sides...
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Angular Size and Similar Triangles
In this angular size and similar triangles worksheet, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.
Curated OER
Betting Game--Who's the Winner?
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.
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Indirect Measurement with Similar Triangles
Students use similar triangles to find missing heights. In this using similar triangles to find missing heights lesson, students use proportions to find the heights of missing side lengths. Students find the height of trees...
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A Geometry Worksheet - Similar Triangles
In this similar triangles activity, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Curated OER
Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry lesson, young scholars calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
Math Mammoth
Fractions, Percents, and Decimals
In this percents activity, students complete 3 charts in which percents, decimals and fractions are converted. Students also solve 20 problems with the changing of percents to decimals or fractions.
Curated OER
Similarity
Eighth graders understand that proportional enlargement of shapes doesn't change the angles of those shapes. For this similarity lesson, 8th graders complete exercises to create enlargements of shapes and understand similar shapes.
Curated OER
Measurement of Objects Using Similar Triangles in The Plane
Students use similar triangles and a sight tool to find the height and distance between large objects. In this similar triangles lesson plan, students use a constructed sight tool to measure the distance and height of an object using an...
Curated OER
Leveled Problem Solving Using Proportions with Similar Polygons
In this proportions and similar polygons activity, students solve the problems that use proportions, rations, fractions, and similar polygons.
Curated OER
From Trees to Paper
Sixth graders investigate logging and the process of paper making. In this forestry lesson, 6th graders analyze pictures of trees being processed into the paper they use everyday. Students solve and create math problems based...
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Learning Number Words
Students practice saying their numbers and identifying the words. They use whole numbers and decimals to practice grouping numbers into different categories. They write the word of the number they are shown.
Curated OER
Solving Percent Problems with Proportions
Seventh graders explore the concept of percent problems. In this percent problem lesson plan, 7th graders use proportion equations to solve percent problems. Students find percentages of numbers and use proportions to determine...
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Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion lesson, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a better purchase....
Curated OER
How Far Can You Go On a Tank Of Gas?
Students calculate the distance they can travel on a tank of gas. In this algebra lesson, students use ratio and proportion to solve word problems. They graph their results and discuss their findings with the class.
Curated OER
Health/Wellness Interdisciplinary Unit
Students examine human body systems, research a disease or condition, analyze their family trees to look for health conditions and/or diseases which may be prevalent, discover ratio and proportions of human body, and read novel, The...
Curated OER
Scaling Down Art
Students change the scale of a work of art using ratios, percentages, and proportions. While this is technically an art lesson, there is quite a bit of mathematics involved in converting to the correct scale.
Houghton Mifflin Harcourt
Simple and Compound Interest
Your learners will get lots of practice calculating simple and compound interest by the end of this lesson. Simple explanations and examples lead learners through the concepts and steps of calculating simple and compound interest...