Worksheet
Curated OER

Tangent Properties

For Students 10th - 12th
For this pre-calculus worksheet, students solve for angles formed by a tangent line and a circle. There are 6 different worksheets containing 8-10 problems per sheet.
Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures learning exercise, 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...
Lesson Plan
Curated OER

Triangle Island

For Teachers 9th - 12th
Students calculate the altitude of triangles.  In the web based lesson plan, students explore the interior distance from a given point in a polygon to its side.  They compute the sum of these lengths. Students read life...
Lesson Plan
Curated OER

Angles and Arcs

For Teachers 9th - 12th Standards
Students identify the relationship between angles and arcs. In this geometry lesson, students rotate and move the circle around to create different arcs on the TI-Navigator. They differentiate between major and minor arcs.
Worksheet
Curated OER

Using a Flow Chart for Classification

For Students 6th - 7th
For this flow chart worksheet, students learn to use flow charts for classification of numbers, geometric shapes and animals. Students follow the directions and fill out flow charts to work out 20 answers. This is an online activity that...
Worksheet
Curated OER

Investigate Perimeter

For Students 5th - 6th
For this perimeter worksheet, students are given perimeter and draw 3 different squares or rectangles on given grids, using those given measurements, then complete 2 related questions.
Lesson Plan
Curated OER

Interior and Exterior Angles of Polygons

For Teachers 9th - 10th
Students identify interior and exterior angles of polygons. In this geometry lesson, students add interior and exterior angles of polygons. They use angle theorems to solve the problems.
Lesson Plan
Curated OER

Parallel-o-Home

For Teachers 9th - 12th
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
Worksheet
Curated OER

Polygons

For Students 5th - 7th
In this polygon activity, students draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
Lesson Plan
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Tetrominoes Cover-Up

For Teachers 3rd
Third graders compare and contrast the attributes of two-dimensional shapes. Using a tetrominoes game, they create two-dimensional shapes to cover up a game board. At the conclusion of the game, 3rd graders discuss the patterns they...
Worksheet
Curated OER

Forty Mental Math Angle Problems

For Students 10th - 11th
In this angle worksheet, learners answer forty mental math questions divided into four problem sets.  These problems require students to remember angle facts and so simple calculations mentally.
Lesson Plan
Pennsylvania Department of Education

Classifying Figures on the Coordinate Plane

For Teachers 5th
Fifth graders use estimation to solve word problems. For this fractions lesson, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation. This lesson...
Worksheet
Curated OER

Geometry Assessment-"Chapter 2"

For Students 7th - 8th
In this geometry activity, students match terms with definitions, and complete short answer questions about polygons and congruency.
Lesson Plan
Curated OER

What Is Your Point?

For Teachers 6th
Sixth graders identify the x and y axes in a coordinate plane and identifies the coordinates of a given point in the first quadrant. They plot specific points in the first quadrant of the Cartesian coordinate system.
Lesson Plan
Curated OER

Geometric Twins

For Teachers 2nd - 3rd
Young scholars investigate congruent shapes using dot paper to visualize, draw, and duplicate different congruent shapes.
Lesson Plan
Curated OER

Gee O Me Tree

For Teachers 3rd - 5th
Students follow multiple-step oral directions and review geometric shapes.
Lesson Plan
Curated OER

2-D Polygons

For Teachers 6th - 8th
Pupils investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them from memory.
Lesson Plan
Curated OER

Transformations

For Teachers 6th
Sixth graders discover transformations. In this graphing lesson, 6th graders explore visual examples of plotting transformations as they review translations, rotations, and reflections. Students also practice solving problems that their...
Lesson Plan
Curated OER

Making Pictures from Smaller Shapes

For Teachers 2nd - 4th
Students investigate shapes. In this dimension and orientation of shapes lesson, students identify and color shapes, use shape stamps to form animals, glue shapes together to make other objects and describe how shapes are used.
Worksheet
Curated OER

4 Shapes in 1

For Students 4th - 6th
In this geometric shape worksheet, students respond to 4 questions that require them to connect the midpoints in the 4 figures and identify the new shape the connections create.
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.
Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. In this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
Lesson Plan
Curated OER

Internet Field Trip on Fractions and Geometry

For Teachers 2nd - 4th
Students take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.

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