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Worksheet
Curated OER

Triangles

For Students 4th - 5th
In this triangle worksheet, students solve a set of 6 riddles involving the length of triangles and identifying types of triangles.
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Worksheet
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Leveled Problem Solving Triangles

For Students 4th - 6th
In this triangles practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
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The Baby Gate Problem

For Students 9th - 12th
In this secondary mathematics worksheet, students expand a six-panel play yard by two-panels  Students determine the width of each panel and the area of the expansion. The one page worksheet contains one problem with the...
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Worksheet
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Triangles

For Students 6th - 10th
In this triangles worksheet, students solve for the missing angles and missing sides on the triangles given. Students complete 12 problems total.
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Lesson Plan
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Classifying and Constructing Corners

For Teachers 5th
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
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Lesson Plan
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The Plane! The Plane!

For Teachers 5th
Fifth graders work with polygons.
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Lesson Plan
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Geo-Mat

For Teachers 1st - 3rd
Students review plane figures by playing a game that resembles "Twister." They listen to directions to locate a large example of the figure which is placed on the floor.
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Lesson Plan
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Angles And Triangles

For Teachers 7th
Seventh graders participate in a lesson that is focused upon the concepts of classifying different angles and triangles. They practice classifying triangles according to its kind that includes types of angles, congruence, and vertices....
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Organizer
Curated OER

Properties of Shapes

For Students 9th - 12th
In this math worksheet, students look for the properties related to each shape and then fill in the graphic organizer with the categories needed.
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Lesson Plan
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Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, learners 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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Lesson Plan
Curated OER

Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, students identify the number of triangles in a given figure, identify the number of cubes that a plane intersects, and determine the number of line segments in a given cube. This three-page worksheet...
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Worksheet
Curated OER

Pythagorean Theorem

For Students 8th - 9th
In this Pythagorean Theorem worksheet, students determine the length of a missing side of triangles. They read story problems, draw diagrams, and use the Pythagorean Theorem to solve real life problems. This one-page worksheet contains...
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Worksheet
Curated OER

Symmetry: Practice

For Students 6th - 7th
In this symmetry worksheet, students trace the figures, turn them, and then write yes or no to tell if it has rotational symmetry. Students tell how many degrees they turned it to determine the symmetry. Students repeat the process for...
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Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Learners build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.
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Worksheet
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Forty Mental Math Angle Problems

For Students 10th - 11th
For this angle worksheet, students answer forty mental math questions divided into four problem sets.  These problems require students to remember angle facts and so simple calculations mentally.
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Worksheet
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Perimeter Word Problems

For Students 4th - 6th
In this perimeter learning exercise, students complete a set of 10 short word problems that define certain measurements and ask for perimeter. A reference web site is given for additional activities.
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Worksheet
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4th Grade Math Worksheet

For Students 4th - 5th
In this 4th grade math review worksheet, students respond to 60 multiple choice questions that review of fractions, decimals, geometry, number sense, and computation.
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Lesson Plan
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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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Worksheet
Curated OER

Geometry Regents Bimodal

For Students 9th - 10th
In this geometry worksheet, students solve problems that are bimodal. They define properties of circles and triangles. There are 117 questions.
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Lesson Plan
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Creature Design

For Teachers 5th
Fifth graders create mathematical creatures. In this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
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Lesson Plan
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Review of Triangles

For Teachers 8th - 10th
Students investigate the Pythagorean Theorem. For this geometry lesson, students define angles and sides of right triangles. They calculate the area and surface area using formulas derived by the Pythagorean Theorem.
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Lesson Plan
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Obtuse Triangles

For Teachers 4th
Fourth graders explore obtuse triangles. In this geometry lesson, 4th graders make obtuse triangles with paper and scissors. They determine how to find the center of their triangle.
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Lesson Plan
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Angle-Side Relationships

For Teachers 9th - 12th
Students calculate the different sides and angles of a triangle. In this geometry lesson, students use triangular properties to define the relationship between two triangle. They identify missing angles using the interior angle theorem.
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Worksheet
Curated OER

Nets and Surface Area - Mental Math

For Students 6th - 8th
In this mental math learning exercise, students use mental math to find the surface area and determine nets of the given shape. They use an information sheet as an aide to find the answer to 30 questions.

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