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Interactive
Curated OER

Special Right Triangles Multiple Choice

For Students 9th - 11th
In this length instructional activity, students answer five multiple choice questions concerning lengths using rules of various figures including, triangles, rhombus, diamonds, and circles.
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Worksheet
Curated OER

Shapes

For Students K - 2nd
In this geometry worksheet, students choose the correct name to match the shape given. Students identify the words for oval, rectangle, square, circle, triangle, and diamond.
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Worksheet
Curated OER

Periodic Table Puns Answer Key

For Students 10th - 11th
In this chemistry worksheet, students identify various puns to assist them in memorizing the numerous elements of the Periodic Table and their symbols. There are 44 to memorize on the sheet.
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Worksheet
Curated OER

A Few Minerals

For Students All
In this geology worksheet, students locate thirty-two mineral terms in a word search puzzle. Answers to the puzzle are available in various formats.
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Lesson Plan
Curated OER

Rhombi

For Teachers 4th - 5th
Students examine the rhombi or diamond shape and compare it to the square. Students are challenged to create as many flat rhombus shapes as possible and develop a definition for the rhombus shape in 20 minutes while working in teams of...