Interactive
Curated OER

Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Lesson Plan
Curated OER

Inscribed Angles

For Teachers 9th - 10th
Students calculate the inscribed angle of a triangle. In this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
Worksheet
Curated OER

Missing Angle Problems

For Students 6th
In this problem solving worksheet, 6th graders focus on the angles described in each word problem. Students must solve for each of the 6 problems, giving a written explanation for each in the space provided.
Worksheet
Curated OER

Activities with 2-D shapes.

For Students 2nd - 4th
In this 2D shapes worksheet, students complete activities such as describing features, matching edges, draw shapes, and more. Students complete 8 activities.
Lesson Plan
Curated OER

Draw It!

For Teachers 3rd - 4th
Learners follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the...
Lesson Plan
Curated OER

Relationships Among Arc and Angle Measures in Circles

For Teachers 9th - 12th
High schoolers follow the directions on the attached worksheet to construct shapes using Geometer's Sketchpad. To start the lesson, it is suggested that the teacher guide the students through the initial problem. When constructions are...
Worksheet
Curated OER

Geometry: Shapes-Squares, Rectangles and Triangles

For Students 4th - 6th
In this geometry worksheet, students distinguish which of eight shapes are squares, rectangles and/or triangles. Students write the name of each shape on the lines provided.
Lesson Plan
Curated OER

Similar Situations

For Teachers 3rd - 6th
Young scholars explore intersecting lines. In this intersecting lines lesson, students investigate shapes consisting of parallel, perpendicular, and similar lines. Young scholars investigate these lines in shapes around them.
Worksheet
Curated OER

Sir Cumference and the First Round Table

For Students 5th - 6th
In this circumference worksheet, students solve and complete 5 different figures illustrated on the sheet. First, they cut out each shape found on the bottom. Then, students use the shapes on the left as clues to create the corresponding...
Lesson Plan
Curated OER

Scale Drawing Lesson Plan

For Teachers 5th - 7th
Students calculate actual building measurements from a village map using concepts of ratios and scale in this ten lesson mini-unit. They practice measuring angles, multiplying decimals, estimating height and length, and converting metric...
Lesson Plan
Virginia Department of Education

Exploring Quadrilaterals

For Teachers 6th
Sort this resource into the Use pile. Scholars investigate attributes of quadrilaterals and then use the results to sort and classify the shapes labeling each figure with their properties to justify the classifications.
Assessment
Mathed Up!

Loci and Constructions

For Students 8th - 11th Standards
A General Certificate of Secondary Education math review has class members make basic constructions. Using a protractor and a ruler along with a compass, pupils develop drawings of triangles with given measurements. Scholars use their...
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Students build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Students then switch with a partner to try an make a symmetrical shape.
Lesson Plan
Arizona State University

Roundup Shapes

For Teachers K - 1st Standards
Let's study 2-D shapes! Young mathematicians compare and classify shapes according to attributes. They evaluate shape riddles and predict the shape being described. Here is the website where you can find the instructional...
Lesson Plan
Digging Into Math

Classifying Triangles

For Teachers 4th - 8th Standards
Young mathematicians explore the world of three-sided shapes in this lesson on the different types of triangles. Starting with a general introduction to classification using Venn diagrams, children learn how to categorize triangles...
Lesson Plan
Illustrative Mathematics

What is a Trapezoid? (Part 2)

For Teachers 4th - 6th Standards
This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...
Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
Pupils 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. Pupils identify the different types of polygons and define their...
Lesson Plan
Curated OER

Drawing Lessons

For Teachers 6th - 8th
Middle schoolers recognize and respond to the content of visual art using art vocabulary. They recognize the differences between art materials, techniques, and processes.
Lesson Plan
Curated OER

Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere

For Teachers 3rd
Third graders investigate shapes in our world. In this geometry lesson plan, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic organizers and...
Lesson Plan
Curated OER

Sum of Interior/Exterior Angles with Wilbur

For Teachers 7th - 10th
Students identify the interior and exterior measures of polygons. In this geometry lesson, students identify the formula for interior angles of polygons. They differentiate between triangular and polygons angles.
Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Lesson Plan
Curated OER

The Luxor Hotel Contract

For Teachers 9th - 12th
High schoolers determine the surface area of the Luxor Hotel, using the square feet of the base, volume, and the volume formula. They create a scale model of the triangular/pyramid shaped hotel.
Lesson Plan
Curated OER

Shape and Space: Symmetry

For Teachers 3rd - 5th
Students discuss and work with lines of symmetry. In this symmetry activity, students start with a warm up activity on metric conversion. They talk about the definition of symmetry and reflection before completing a worksheet.
Lesson Plan
Curated OER

Angles in Art Lesson

For Teachers 5th - 9th
Young scholars examine the correlation between art and math. Using their computers, students construct and measure angles. Young scholars identify the properties of angles and polygons. They engage in the Angles program on their Palm and...