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Lesson Plan
Curated OER

All Aligned in Alphabetical Order

For Teachers 1st - 6th
Learners organize lists of words alphabetically. Then they write and rewrite words using correct spellings. Students also identify and color-code key letters in words as they compare and arrange words into an alphabetical list. Finally,...
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Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures worksheet, students identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a scale...
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Lesson Plan
Curated OER

Modeling pentagrams using Geometers Sketchpad

For Teachers 10th - 12th
Students using visual modeling software will construct two regular pentagrams which are mathematically similar. They also create a multi-page document and learn to create links between the pages and to a website on the History of...
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Lesson Plan
Curated OER

Surface Area and Volume of Similar Solids

For Teachers 8th - 10th
Students explore similar figures. In this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
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Worksheet
Curated OER

Geometric Proofs

For Students 10th - 11th
In this geometric proof learning exercise, learners use geometric theorems and rules to prove given statements. They prove that given lines and angles are similar. This five-page learning exercise contains ten problems.
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Lesson Plan
Curated OER

Similar And Different

For Teachers 9th - 12th
Students take part in a lesson plan that is composed of team building activities. They work in small groups in order to interview others to find information to point out similarities or differences. Students then take part in class...
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Handout
Purple Math

Purplemath: Ratios

For Students 6th - 8th Standards
Explains the basic terminology and formatting of ratios, and demonstrates how to solve typical exercises.