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Worksheet
Curated OER

Geometry --Similar Shapes

For Students 2nd - 3rd
In this geometry learning exercise, students circle the shape in the group that is the most similar to the one given. There are four problems to complete.
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Worksheet
Curated OER

Geometry--Symmetry

For Students 2nd - 3rd
For this symmetry worksheet, students identify and circle the shapes that are symmetrical in a set. There are four multiple choice questions.
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Worksheet
Curated OER

Calculate Missing Central Angles

For Students 5th - 6th
In this central angle activity, learners calculate the missing central angles in a set of 4 circles. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
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Lesson Plan
Curated OER

Properties of the Centers of a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This lesson plan requires the use of Cabri, Jr.
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Worksheet
Curated OER

Common 2-D and 3-D Shapes

For Students 5th - 6th
In this common 2-D and 3-D shapes worksheet, students define and solve 8 problems related to 2-D and 3-D figures as shown. First, they look at each 4-sided 2-D shapes listed and mark which ones always have the same angles. Then, students...
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Worksheet
Curated OER

Volume and Surface Area

For Students 10th
In this volume and surface area worksheet, 10th graders solve and complete 10 different problems that include using spheres to examine changes in volume and surface area. First, they complete the chart shown using the formulas given....
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Worksheet
Curated OER

Standardized Geometry Test Practice

For Students 10th
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
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Worksheet
Curated OER

Geometry Concepts and Applications

For Students 10th
In this concepts and applications review instructional activity, 10th graders solve and complete 40 various types of multiple choice problems. First, they write the equation of a vertical line passing through a point. Then, students find...
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Worksheet
Curated OER

Similar Polygons

For Students 10th
In this similar polygons worksheet, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In addition,...
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Worksheet
Curated OER

TT Pies

For Students 4th - 6th
In this worksheet about geometry, students learn about circumference. Students are required to find circumference of pies in this worksheet. There are eight problems in this worksheet. As a bonus students are asked to find the radius of...
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Lesson Plan
Curated OER

Measuring the Earth

For Teachers 9th - 12th
Students use principles of geometry to measure the circumference of the Earth. In this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central angle, and use...
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Worksheet
Curated OER

Giant Clock, Bug Speed

For Students 9th - 12th
In this problem solving instructional activity, learners solve 1 short answer word problem. Students determine the speed of a bug sitting on the end of minute hand on the Allen Bradley Clock Tower.
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Worksheet
Curated OER

Spheres Homework

For Students 8th - 10th
In this spheres worksheet, learners determine the volume and area of spheres when given the diameter or radius.  This one-page worksheet contains 10 multi-step problems.
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Interactive
Curated OER

Cylinders

For Students 7th - 9th
In this online activity, students use pie to calculate the area and volume to the nearest tenth. The radius, diameter, and or height are provided.
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Interactive
Curated OER

Online Math Learning: Surface Area of Spheres

For Students 9th - 12th
In this surface area of spheres worksheet, students solve 4 short answer problems. Students find the surface area of spheres, hemispheres, and cones given a radius or a radius and height.
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App
Oleh Yudin

iCrosss

For Students 5th - Higher Ed
Did you know that a soccer ball is very similar to a truncated icosahedron? Both have 32 faces, but while a truncated icosahedron is made up solely of flat hexagons, a traditional soccer ball has 12 pentagons and 20 hexagons, each curved...
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Assessment
Mathed Up!

Simultaneous Equations with a Quadratic

For Students 9th - 12th
Viewers discover how to solve quadratic-linear systems with a video that first explains the substitution method for solving a system of equations involving a quadratic. Scholars then complete a activity of practice problems.
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Lesson Plan
Curated OER

Finding The Circumference Given The Radius

For Teachers 6th - 7th
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
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Worksheet
Curated OER

Geometric Figures

For Students 7th
In this geometric figures worksheet, 7th graders solve and complete 10 different problems that include measurement. First, they draw a reflection of a given shape over a line. Then, students draw a rotation of a different shape. They...
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area instructional activity, learners 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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Lesson Plan
Curated OER

Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume

For Teachers 9th - Higher Ed
Students explore perimeter, volume, and area. For this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
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Lesson Plan
Curated OER

Math: Gears and Wheels

For Teachers 12th
Twelfth graders solve problems involving linear and angular speed. Using information about a compact disc, they solve the problem using multiple rates and conversion factors. Students also solve additional problems involving bicycle...
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Lesson Plan
Curated OER

Label the Shapes

For Teachers 1st - 2nd
In this geometry worksheet, students study 4 pictures of shapes and using the word bank, label them. Students then draw the specified shapes in four more problems.

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