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Illustrative Mathematics

Representing Half of a Circle

For Teachers 2nd - 4th Standards
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
Lesson Plan
Curated OER

Identifying, Mapping, and Personifying Countries Involved in WWII

For Teachers 10th - 12th
Get artsy with this WWII group activity, starting with a whole-class assignment. Create a map of Europe, Northern Africa, and the Pacific using geometric shapes cut from construction paper and placed on the floor. Consider splitting the...
Lesson Plan
Curated OER

Area of Tangram Pieces

For Teachers 3rd - 4th
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this instructional activity. They make a set of tangrams and use them to...
Lesson Plan
Mathematics Assessment Project

Evaluating Statements About Enlargements

For Teachers 9th - 12th Standards
Double, toil ,and double linear dimensions. Learners first complete an assessment investigating how doubling linear dimensions affects the area of pizzas and the volume of popcorn containers. They then complete an activity investigating...
Lesson Plan
Curated OER

Number Prefixes

For Teachers 7th - 12th
Students recognize the number prefixes used throughout the English language. They identify the shapes and the prefixes that are associated with them.
Handout
Curated OER

Series Review Sheet

For Students 9th - 12th Standards
Save an infinite amount of time and enjoy this pre-made series formula guide. Arithmetic and geometric formulas are all included as well as Pascal's Triangle and examples of how the Binomial Theorem expands. 
Lesson Plan
Curated OER

Terrific Tangrams

For Teachers 3rd
Third graders construct tangrams. In this tangrams lesson, 3rd graders manipulate basic shapes to construct tangrams. Students explore how shapes can be combined in different ways and develop spatial sense.
Lesson Plan
Curated OER

What a View!

For Teachers 4th - 6th
Students examine two- and three-dimensional shapes and figures. Individually, they practice identifying the shape from various viewpoints. By completing this activity, they develop a spatial sense about how figures and shapes are...
Lesson Plan
Curated OER

The Shapes of Our World

For Teachers 6th - 12th
Students utilize shapes and spatial relationships in a practical context by creating maps and writing a critical essay.
Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
In this three- and two- dimensional geometry learning exercise, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of...
Worksheet
Curated OER

Add Like Mad!

For Students Pre-K - 1st
In this adding shapes worksheet, students add geometric shapes, record their sums, and write number sentences. Students solve three problems.
Worksheet
Curated OER

Geometric Shapes and Angles

For Students 10th
In this geometry instructional activity, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this instructional activity with an answer key.
Lesson Plan
Texas Education Agency (TEA)

Geometry in Architecture #1

For Students 9th - 12th
Discover how to analyze architecture from a geometric standpoint. The fourth installment of an 11-part unit on architecture first provides a presentation on axis, balance, basic form, formal, pattern, proportion, symmetry, and tripartite...
Unit Plan
Mathematics Vision Project

Connecting Algebra and Geometry

For Teachers 9th - 10th Standards
Connect algebra and geometry on the coordinate plane. The eighth unit in a nine-part integrated course has pupils develop the distance formula from the Pythagorean Theorem. Scholars prove geometric theorems using coordinates...
Worksheet
Curated OER

The Ellipse

For Students 9th - Higher Ed
This is a practical sheet with the instructions to draw a set of ellipses. After following the diagrams, there are ten questions to complete, with calculations expected for alternate orbits and comparisons related to actual planets in...
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.
Printables
K-5 Math Teaching Resources

5x5 Geoboard Paper

For Students K - 5th Standards
Geoboards can take up a lot of space in the classroom; instead use this 5x5 geoboard paper! Six geoboards and lines for writing are included in this multi-use printable and template. 
Lesson Plan
Curated OER

Exploring Transformations

For Teachers 9th - 10th
Students explore what happens when geometric figures are transformed on the coordinate plane. They work in pairs, moving geometric shapes in the plane, and formalize their rules as functions.
Assessment
Mathed Up!

Vectors

For Students 9th - 12th Standards
Young mathematicians connect vectors to geometric shapes by watching a video that expresses vectors in relation to the sides of geometric figures. They then apply what they learned by completing a worksheet of practice questions.
Worksheet
Curated OER

More Than

For Students Pre-K - K Standards
These pictures need more! Before youngsters are able to count, they can comprehend the concept of more; help strengthen pre-reading and counting skills using this drawing activity. They examine three pictures and add more to each. A...
PPT
Curated OER

Who Wants to Be a Champion: Perimeter, Area, Symmetry

For Teachers 3rd - 5th
Have your learners practice finding the perimeter and area of geometric shapes using this resource. While just a simple review, this could be a wonderful way to solidify the concepts in their minds.
Worksheet
Curated OER

Draw the Other Half

For Students 1st - 2nd Standards
How can you make the two halves symetric? Scholars use the concept of symmetry to complete five images which are only half-drawn. The fun part about this exercise is that they aren't copying geometric shapes. There is a face, sun, kite,...
Lesson Plan
Sea World

Splash of Math

For Teachers 4th - 8th
How can kids use math to learn about marine life? Combine math skills with science lessons in a resource featuring activities about life in the sea. Kids graph and calculate data, solve complex word problems, measure geometric shapes,...
Workbook
Education.com

3rd Grade Math Practice Packet

For Students 3rd Standards
Third graders will love these creative math worksheets. They focus on multiplication, division, and geometric shapes. The packet includes multiplication tables and word problems, ideal for every level of math learner.

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