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Worksheet
Curated OER

The Pythagorean Theorem

For Students 9th - 11th
For this geometry worksheet, students solve missing parts of a triangle using the Pythagorean Theorem. There are 19 questions with an answer key.
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Lesson Plan
Curated OER

Tangent Properties

For Teachers 9th - 12th
Students explore properties of tangent lines.  In this properties of tangent lines lesson, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius.  Students use that relationship to...
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Lesson Plan
Curated OER

This Building is Tall

For Teachers 9th - 12th
Young scholars calculate the perimeter of shapes. In this geometry lesson, students relate properties of polygons to the real world. They find length, midpoint and slope.
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Lesson Plan
Curated OER

Reflection

For Teachers 4th - 6th
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
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Lesson Plan
Curated OER

Reflection

For Teachers 8th
Eighth graders use a stencil to make a figure with which they discover the horizontal line of reflection, the vertical line of reflection, and the diagaonal line of reflection using coordinates.
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Worksheet
Curated OER

Thinking!!!

For Students 4th - 8th
In this mathematical concepts instructional activity, students complete math word problems dealing with fractions, multiplication, probability, and more. Students complete 8 problems total.
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Worksheet
Curated OER

Seventeen Math Regents Exam Pythagorean Theorem Questions

For Students 8th - 10th
In this Pythagorean Theorem worksheet, students solve seventeen Math Regents Exam questions using the Pythagorean Theorem.  The solutions are provided.
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Lesson Plan
Curated OER

Math: Geometric Fun and Games

For Teachers 3rd
Third graders discover geometric shapes by completing a series of games and activities. Using ropes with knots tied every foot, they make shapes such as squares, triangles, and hexagons. In pairs, 3rd graders use pattern blocks to...
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Worksheet
Curated OER

New York State Testing Program: Mathematics Book 2, Grade 5 2008

For Students 5th
In this 5th grade math standardized test practice learning exercise, students solve 18 multiple-step open-ended math problems based on New York academic standards.
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Lesson Plan
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
Students discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
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Lesson Plan
Curated OER

Time Flies When Math Is Fun

For Teachers 3rd
Third graders pracdtice telling time with a demonstration clock.
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Lesson Plan
Curated OER

Design Your Space

For Teachers 5th - 8th
Students evaluate the acceptable use of classroom space. The class participated in a brief lecture and discuss of floor plans and how they are used in architecture. Using graph paper, they create a scale drawing of the classroom...
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Lesson Plan
Curated OER

A thousand seconds

For Teachers 1st - 3rd
Students use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.