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Worksheet
Curated OER

Geoboard Activity

For Students 10th
In this geometry worksheet, 10th graders use geoboards or the grid representation of a geoboard to construct the indicated geometric figure. The three page worksheet contains twenty-seven questions. Answers are not included.
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Lesson Plan
Curated OER

Determining Area

For Teachers 9th - 12th Standards
High schoolers conduct chemical experiments. In this chemistry lesson, they investigate reactions using the CBL system. Learners will graph and analyze their data using a TI.
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Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Young scholars measure prisms and determine their volume. In this measurement and reasoning lesson, students estimate the volume and area of prisms. They measure given boxes. Young scholars use paper to create prisms and cylinders. They...
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Lesson Plan
Curated OER

Captain Invincible and the Space Shapes

For Teachers 3rd - 6th
Young scholars recognize the features of geometric shapes.  In this geometric shapes lesson plan, students listen to Captain Invincible and the Space Shapes. Young scholars create solid figures with marshmallows and toothpicks.  Students...
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Worksheet
Curated OER

Logical Relationship of Postulates & Theorems

For Students 10th - 12th
In this postulates and theorems worksheet, students explore a concept map containing information about angles and sides, alternate interior angles, and diagonals of a parallelogram.  They use the concept map to prove theorems dealing...
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Worksheet
National Council of Teachers of Mathematics

Improving Archimedes' Method

For Students 9th - 12th
For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4 multi-step...
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Lesson Plan
Curated OER

Tangram Puzzles

For Teachers 8th - 12th
Learners explore the origin of tangram. For this algebra lesson, students form different shapes and figures using tangram. They solve for the area of different shapes without using any geometric formulas, but the idea of tangram being...
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Lesson Plan
Curated OER

Keyboard Shortcuts vs Mouse Control

For Teachers 4th - 7th
Students identify and use the computer keyboard to complete simple tasks. Students eliminate the use of the computer mouse to do simple jobs. They use keys that are used alone, keys that specify object labels, Keys that result in objects...
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Worksheet
Curated OER

Areas by Dissection

For Students 8th - 10th
In this areas by dissection worksheet, students find the area of given composite figures. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on page three.
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Lesson Plan
Curated OER

Naming Shapes

For Teachers 4th - 6th
Young scholars study geometric shapes and practice naming them properly. In this geometry lesson, students work in groups to give definitions of the vocabulary to each other in their own words. Young scholars also visit a lower grade and...
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Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures worksheet, students identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a scale factor. ...
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Lesson Plan
Curated OER

Introduction to Curve Stitching - Line Designs

For Teachers 3rd - 5th
Young scholars develop their awareness that straight line segments can produce the illusion of a curve and helps them recognize and describe number patterns and geometric fundamentals.
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Worksheet
Curated OER

Problem-Solving Strategy: Find a Pattern

For Students 4th - 6th
In this tessellations learning exercise, students solve 2 word problems where they use the "make a pattern strategy" to form tessellations from geometric shapes. There is scaffolding for the problem solving strategy.
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Lesson Plan
Curated OER

Building a Straw Power Tower

For Teachers 6th - 7th
Young scholars build a tower out of straws. In this engineering lesson, students build a tower of straws that must be at least 58 cm tall. The goal is to be the group whose tower can support the most pennies. This lesson gives young...
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Lesson Plan
Curated OER

Balancing Act

For Teachers 2nd
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
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Lesson Plan
Curated OER

Discovering Pi

For Teachers 9th - 10th
Students relate Pi to a circle. In this circles activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
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Lesson Plan
Curated OER

Shape Hunt

For Teachers Pre-K - 1st
Students explore two-dimensional and solid shapes. In this shapes and patterns geometry lesson, students work with a partner to create identifiable objects using tangrams. Students describe the attributes of their shape and their partner...
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Lesson Planet Article
Curated OER

Tessellation Lesson Plans

For Teachers 2nd - 6th
Students in second through eighth grades can fill their imaginations with repeating shapes!
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Interactive
Curated OER

Surface Area of Prism

For Students 10th
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive worksheet contains two worked questions. Answers are included. 
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Lesson Plan
Curated OER

Tessellations

For Teachers 7th
Seventh graders investigate geometric shapes using tessellations. For this geometry lesson, 7th graders practice tessellations using different shapes. They create different designs using tessellations.
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Worksheet
Curated OER

Shape Definitions

For Students 4th - 6th
In this shapes definitions worksheet, students match a set of descriptions with their correct shape names, 10 total, then answer a set of 4 additional questions. Answers included on page 2.
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Lesson Plan
Curated OER

Tessellations

For Teachers 2nd - 3rd
Students create tessellations. In this math lesson, students explore symmetry and patterns through the creation of a tessellation. Students design and create their own tessellation.
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Lesson Plan
Curated OER

The Dragon Curve Fractal

For Teachers 8th - 11th
Students identify the properties of a dragon curve. In this geometry instructional activity, students identify sequences and patterns as they solve fractals. They investigate patterns found in nature.
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Lesson Plan
Curated OER

Shapes with Sticks

For Teachers 3rd
Third graders investigate three dimensional shapes. They examine a variety of shapes and the relationship between the number of faces, edges, and vertices. Students determine Euler's formula and they create a variety of three dimensional...