Interactive
Curated OER

Polygons Multiple Choice

For Students 9th - 10th
In this geometry learning exercise, students identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
Young scholars investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Young scholars identify the different types of polygons and define...
Lesson Plan
Curated OER

A Dreamer's Cloak

For Teachers 1st - 5th
Students listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
Lesson Plan
Virginia Department of Education

Dilation

For Teachers 7th Standards
Open up your pupils' eyes and minds on dilations. Scholars perform dilations on a trapezoid on the coordinate plane. They compare the image to the preimage and develop generalizations about dilations.
Worksheet
Curated OER

Triangles, Quadrilaterals, Pentagons and Hexagons: Color Activity

For Students 3rd - 5th
In this geometric shape worksheet, student identify shapes in a geometric collage, write the number of sides for each and color them designated colors.
Lesson Plan
Curated OER

Areas of triangles, trapezoids, and rhombi

For Teachers 10th - 12th
Students solve geometry problems. In this area and perimeter lesson, students use formulas to solve problems from the textbook. 
Lesson Plan
Curated OER

Space Shapes

For Teachers 1st
In this Geometry worksheet, 1st graders are challenged to color and identify different shapes using the theme of outer space and a rocket ship.
Worksheet
Curated OER

The Different Shape

For Students Pre-K - K
In this geometry worksheet, students identify and color the shape that is different in each row. There are ten different shapes shown on the sheet.
Worksheet
Curated OER

Trace the Different Shape

For Students Pre-K - K
In this geometry worksheet, students trace the shape that is different in each row. There are a number of different shapes to identify on the sheet and then, color each one.
Lesson Plan
Curated OER

Mondrian, Math, and Amazing Colors

For Teachers K - 2nd
Students study geometric shapes, lines, and the primary colors as they create Mondrian-like art prints.
Lesson Plan
Curated OER

Exploring and Creating Tessellations

For Teachers 9th - 11th
Students use translations, rotations, and reflections to create tessellations. They explore and construct several different types of tessellations including pure/semi-pure and non-regular polygon and "Escher-like" tessellations .
Worksheet
Curated OER

Prisms

For Students 10th
For this prisms worksheet, 10th graders solve and complete 6 different types of problems. First, they find the volume of a right prism with equilateral triangles as bases. Then, students find the volume of a right prism with isosceles...
Lesson Plan
Curated OER

Geo-Critters (Geometry Critters)

For Teachers 2nd - 5th
Learners read the book The Math Curse by Jon Scieszka and study geometry. In this geometry lesson plan, students identify geometric shapes and their properties. Learners create a geo-critter.
Lesson Plan
Curated OER

Best lesson in the whole world!

For Teachers 6th - 8th
Learners study the concept of fraction using mathematical reasoning. For this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Learners use a number of different prompts to...
Lesson Plan
Curated OER

Tricky Traps

For Teachers 9th - 11th
Students create identify properties of trapezoids. In this geometry lesson, students calculate the area of given trapezoids and review the area formula for parallelograms. They draw a correlation between the area of a trapezoid and that...
Lesson Plan
Curated OER

Linear/Planar Geometry - Week 5

For Teachers 12th - Higher Ed
In this plane geometry worksheet, students combine the basis of plane geometry and linear problems to solve problems. They determine total surface area, the length of a line, and the sum of the edges of a three-dimensional figure. This...
Lesson Plan
Curated OER

Storefront Signs

For Teachers 6th - 8th Standards
Learners practice finding the areas and patterns within a square and explore the concept of quadratic functions. They observe and record the area values in a table, plot a graph of Area versus Distance and complete a variety of student...
Worksheet
Curated OER

Fraction Patterns Worksheet

For Students 3rd - 6th
In this fractions and patterns worksheet, learners make patterns of parallelograms and trapezoids using pattern blocks. Students complete 6 problems.
Lesson Plan
Curated OER

Tessellations: Geometric Patterns

For Teachers 7th - 12th
Students create tessellation drawings using repeating geometric shapes.
Lesson Plan
Curated OER

Investigation - Adrienne's Pattern Block Angles

For Teachers 5th
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
Worksheet
Curated OER

Countdown Challenge: Tangrams

For Students 7th - 8th
For this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
Lesson Plan
Curated OER

Know Your Polygons!

For Teachers 3rd - 8th
Students identify and categorize different polygons. In this polygons lesson plan, students research and identify properties of polygons,  identify different polygon shapes, and categorize different triangles and quadrilaterals.
Activity
Illustrative Mathematics

Is This a Parallelogram?

For Teachers 9th - 12th Standards
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...

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