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Which Triangles are Right

For Teachers 9th - 10th
Students apply properties of right triangles to solve problems. In this geometry activity, students identify axioms and theorems using examples.
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Trigometric Ratios

For Teachers Pre-K - 6th
This lesson requires a worksheet that is not connected. It is integral to the lesson.
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As Good As Gold

For Teachers 5th - 10th
Students find examples of the Golden Ratio on the human body through measurement. Additionally, students learn about the use of the Golden Ratio and the Golden Rectangle in art and architecture. A very interesting lesson for the students!
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Multicultural Math Project

For Teachers 6th
Sixth graders examine where mathematics came from. In this Math History lesson, 6th graders complete various activities to understand mathematical reasoning. Students complete critical thinking questions.
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Gridding a 2 x 2 Meter Unit

For Teachers 6th - 8th
Young scholars use the internet to examine what happens at an archeological dig site. In groups, they practice measuring a 2x2 meter square unit and gridding it out as an archeologist would do. They review the possible solutions at the...
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New York State Standards

For Students 10th - 12th
In this math worksheet, students review for the high school exit exam of New York. They solve problems using algebra, geometry, and precalculus. There are 30 questions.
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NY State Testing Program

For Students 8th
In this math exam worksheet, 8th graders review geometric and algebraic concept including angles, polygons, equations, factoring and addition and subtraction, quadrilaterals, trig and circles. They take a comprehensive...
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This Building is Tall

For Teachers 9th - 12th
High schoolers 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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Law of Cosines

For Teachers 7th - 9th
Students model scenarios using functions and their properties. In this trigonometry instructional activity, students calculate the angles of sine, cosine and tangent. They perform operation using a calculator.
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Black Holes... What's inside IX

For Students 11th - Higher Ed
In this space science worksheet, students solve 7 problems related to black hole space and time. They answer questions related to the spacetime dimension.
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Special Right Triangles

For Teachers 9th - 10th
Students identify different types of special right triangles. In this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
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Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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Hyperbolas

For Students 8th - 11th
In this algebra instructional activity, students identify the graphs of hyperbolas. They find the center and directrix. There are 10 questions.
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Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
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Geometry Review

For Teachers 7th
Seventh graders explore basic geometric definitions involving angles, area, and circumference. To reinforce basic geometric concepts, they play a "lightning Flash" card game. Students discuss chores or jobs that require the use of...
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Geometry Shapes Playground Safety

For Teachers 9th - 12th
Students create a new playground design to present to elementary students during Playground safety week. They review basic geometry to use in observing and recording the equipment on a local playground. They research playground safety...
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Finding Patterns in Fractals

For Teachers 7th - 8th
Students discover patterns and sequences. They use a website to explore patterns and fractals. Students share their discovery of fractals and their patterns with the class. They develop a list of patterns used in everyday life.
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Exploring Geometric Mean

For Teachers 8th - 10th
Young scholars solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean

For Teachers 8th - 10th
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Hang Time

For Teachers 9th - 12th
Students simulate the motion of a fly ball with different winds. They use a partner to provide the simulated wind. Students draw a baseball diamond and the field on a piece of paper. They drag the pen across the paper to show the path of...
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Three Tangent Circles

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

For Students 9th
In this word learning exercise, 9th graders examine pictures and write a mathematical phrase to describe the picture.  This one-page learning exercise contains 25 problems.  Answers are provided.
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Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
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New York State Testing Program-Grade 8

For Students 8th
In this eight grade worksheet, 8th graders assess their knowledge of the core material from their subject matter.  The twenty page worksheet contains twelve problems.  Answers are not provided.