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Pythagorean Theorem

For Teachers 9th - 10th
Students solve problems using the Pythagorean Theorem. In this geometry lesson,students identify the right angle, hypotenuse and legs of a right triangle. They find the missing sides using the ratios of the Pythagorean theorem.
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The Pythagorean Theorem

For Teachers 7th
Seventh graders relate the Pythagorean theorem to the real world. For this algebra lesson, 7th graders identify important properties of the Pythagorean theorem and use it to solve word problems. They create a step by step plan to...
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Pythagorean Theorem

For Teachers 9th - 10th
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify different parts of a right triangle. They use the Pythagorean Theorem to calculate missing angles and sides.
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Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Pythagorean Theorem

For Teachers 8th
Eighth graders use formulas to solve Pythagorean Theorem problems. They explore the hypotenuse, adjacent angles and legs of a triangle. Given any two integers in a problem, 8th graders identify and complete Pythagorean triples.
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Proportional Segments Between Parallel Lines

For Teachers 9th - 12th
Students identify similar triangles.  In this proportional segments lesson, students identify corresponding sides, set up ratios, and find the length of the missing side of a triangle.  They use the parallel/proportionality...
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Use Nets to Build Solid Figures

For Students 3rd - 5th
In this using nets to build solid figures practice worksheet, learners sharpen their problem solving skills as they solve 6 story problems.
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Introduction to Fractals: Geometric Fractals

For Teachers 9th - 12th
High schoolers explore the concept of fractals. In this fractals activity, students discuss Sierpinski's Triangle using an applet. High schoolers discuss the patterns involved with fractals. Students discuss the area of Sierpinski's...
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Why use the Pythagorean Theorem?

For Teachers 8th
Eighth graders explore the Pythagorean Theorem.  In this middle school geometry lesson, 8th graders solve problems using the Pythagorean Theorem as they explore the definition of a theorem and attempt to determine the formula for...
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Geometry Worksheet #13

For Students 10th
In this geometry worksheet #13 worksheet, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.
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Three Tangent Circles

For Students 9th - 12th
In this tangent circles instructional activity, students use pi to solve a problem involving tangent circles.  This one-page instructional activity contains 1 problem.  The answer is provided at the bottom of the page.
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Pythagorean Theorem

For Teachers 7th - 8th
Students explore the history of Pythagoras and his contributions to mathematics. In this middle school geometry lesson, students use one inch tiles to investigate the Pythagorean Theorem and to find the length of the sides of a right...
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Math Club #2b: Training for the Math Olympics

For Students 7th
In this Math Olympics worksheet, 7th graders work in groups to solve 2 math puzzles requiring logic and problem solving skills.
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Similar Figures

For Students 4th - 5th
In this similar figures worksheet, students determine area and perimeter of rectangles and triangles, then explain their thinking. Answers included on page 2.
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Heron's Formula

For Teachers 9th - 10th
Students use Heron's formula to calculate the area of a triangle. In this geometry lesson, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a triangle.
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Investigating Pythagorean Triples

For Teachers 9th - 10th
Students investigate and solve Pythagorean triples. In this geometry lesson, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
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Unit 9 Trigonometry

For Students 9th - 11th
In this trigonometry activity, learners find the lengths of triangles. They construct triangles and spirals. Students complete indirect measurement problems. They find the distance between objects and determine the volume of rectangular...
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Area of Polygons

For Teachers 10th
In this area of polygons worksheet, 10th graders solve and complete 8 various types of problems. First, they graph each line and find the area of each enclosed triangle. Then, students determine the ordered pairs of each graph illustrated.
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Identify, Sort, Classify

For Teachers K
Students identify, sort, and classify. In this kindergarten math lesson, students explore visual examples of sorting with 1 or more attributes. Students also practice solving problems that their instructors model.
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Investigating the Pythagorean Triples

For Teachers 9th - 10th
Students investigate the Pythagorean triples. In this geometry instructional activity, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Probability and Patterns with Pascal

For Students 6th - 10th
In this Pascal worksheet, learners solve word problems dealing with probability and patterns based on Pascal's triangle theory. Students complete 10 problems total.
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Fantastic Fractions

For Teachers 4th
Fourth graders explore and examine through hands-on experience and reasoning the concept of fractions. They solve problems involving multiplication and division of whole numbers and addition and subtraction of simple fractions and decimals.
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Area, Perimeter and Volume

For Students 7th - 8th
In this area, perimeter and volume worksheet, students solve and complete 12 various types of problems. First, they calculate the value for each variable in the triangle shown. Then, students find the distance of the ladder against a...
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Spatial Relations - Week 9

For Teachers 10th - 12th
For this spatial relations worksheet, students solve three-dimensional problems. They find the total number of triangles in a given figure, the number of line segments that endpoints and use integer points to solve two problems. This...

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