Lesson Plan
Curated OER

Shapes

For Teachers K
Learners participate in a number of hands-on shape-related activities. They match and sort shapes by attribute, read books about shapes, complete shape art projects and explore and compare parts of shapes.
Lesson Plan
Curated OER

Practice: Binomial Expansions

For Teachers 10th - 12th
Practice applying the binomial theorem on this worksheet. It contains five multiple choice and five free response problems. The solutions are provided.
Lesson Plan
Utah Education Network (UEN)

Finding Slope of a Line from Graphs, Tables, and Ordered Pairs

For Teachers 7th - 9th Standards
Middle schoolers explore the concept of slope in numerous ways and start to look at simple linear equations. They describe the slope in a variety of ways such as the steepness of a line, developing a ratio, using graphs, using similar...
Lesson Plan
Curated OER

Proof of the Pythagorean Theorem Using Transformations

For Teachers 9th - 12th Standards
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
Lesson Plan
Curated OER

Shapes of Africa

For Teachers 1st
First graders learn the names of geometric shapes and about African cultures. In this geometry and culture lesson, 1st graders describe real world objects and learn to name them with geometric terms such as square, circle, and triangle....
Worksheet
Curated OER

Pascal's Penguins

For Students 1st - 3rd
In this addition activity, students fill in the numbers inside 7 penguins by adding together the 2 penguins right above each one. Students figure out the sums for each penguin with Pascal's triangle.
Worksheet
Curated OER

Interior and Exterior Angles of Polygons

For Students 10th
In this angles of polygons learning exercise, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first...
Worksheet
Curated OER

Geometric Figures

For Students 10th
In this geometric figures activity, 10th graders solve and complete 18 different types of problems that include various figures. First, they find the area of the figures shown if consecutive sides are perpendicular. Then, students find...
Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 1st - 2nd
Students hunt for hidden geometric shapes and compare the properties of various shapes. In this geometry lesson, students play a game of finding squares, circles, rectangles, and ovals that have been hidden around the classroom. Students...
Lesson Plan
Los Angeles Unified School District

It’s the Right Thing

For Students 6th - 8th Standards
Measure that shadow, and you'll find the height of the building! Learners study concepts related to right triangles during this extended unit project. They identify right triangles in the world, find heights of objects using similar...
Lesson Plan
Utah Education Network (UEN)

Geo Shapes

For Teachers Pre-K - 2nd Standards
Invite your first graders to compose and decompose two and three-dimensional figures with this fun, hands-on lesson. They investigate and predict the results of putting together and taking apart two-dimensional shapes with rubber bands...
Lesson Plan
Curated OER

Geometry In Space

For Teachers 9th - 12th
How can we identify shapes in the Universe? High schoolers will compare and contrast elliptic and hyperbolic geometry. They will also explore one possible way to measure the curvature of the Universe, namely, by measuring the sum of the...
Worksheet
National Council of Teachers of Mathematics

Counting the Slope: Rise Over Run

For Students 8th - 10th Standards
This worksheet works math masters though the concept of rise over run. They shade in the slope triangle that is created to help visualize the components. After a page of teaching the concept is a thoughtful exercise to give to your class...
Worksheet
Curated OER

Informal Geometry

For Students 8th - 12th
Middle and high schoolers solve and complete 29 various types of problems. First, they match each name with its correct formula. Then, students find the length of the missing side and the distance between the two points given. In...
Lesson Plan
EngageNY

Points of Concurrencies

For Teachers 9th - 10th Standards
You say that perpendicular bisectors intersect at a point? I concur! Learners investigate points of concurrencies, specifically, circumcenters and incenters, by constructing perpendicular and angle bisectors of various triangles.
Lesson Plan
Education Institute

Four Mathematics Lessons for Grade 9

For Teachers 7th - 9th Standards
These four lesson plans build algebra skills for working with numbers in exponential form and for examining triangles. Be aware that in the text, scientific notation is referred to as index notation and the laws of exponents as the laws...
Lesson Plan
Curated OER

The Pythagorean Puzzle

For Teachers K - 12th
An engaging hands-on activity is presented. Learners of all ages are addressed in thie unique plan. K-5 learners identify, name, and define a rectangle, square, triangle, and the concept of area. Older learners prove the Pythagorean...
Worksheet
DK Publishing

Finish the Picture

For Students Pre-K - 1st Standards
Youngsters add some shapes to this castle drawing before analyzing its geometry. They count the circles, triangles, rectangles, and squares. The objectives here include drawing, recognizing, and counting shapes as well as writing numbers...
Lesson Plan
American Farm Bureau Foundation for Agriculture

Shapes in Agriculture

For Teachers Pre-K - K Standards
It's time to get crafty with shapes! Your future farmers demonstrate their geometric ability by building a farm using triangles, circles, rectangles, and squares. But first, scholars take part in a brainstorm session inspired by their...
Handout
Curated OER

Math Reference Sheet

For Teachers 1st - 6th
Your young learners will enjoy having quick access to this reference sheet that includes a multiplication chart, formulas for perimeter, area, and volume, place value chart, fraction chart, basic types of polygons, triangles and lines...
Lesson Plan
Curated OER

Can a Geometric Mean be Nice?

For Teachers 11th - 12th
In this Geometry instructional (work)sheet, learners are instructed on how to find the geometric mean.  Students are then shown how the geometric mean is applied to proving similar triangles.
Lesson Plan
Curated OER

II Similar

For Teachers 8th - 10th
Students, through lecture and guided practice, discover the properties of similar triangles. They use given measurements of one triangle to find a missing measurement of a similar triangle. They apply this knowledge in real-life...
Lesson Plan
Curated OER

Calculating the shortest distance between two points

For Teachers 8th
Eighth graders find the length of the third side of a right triangle.
Lesson Plan
Curated OER

Ship Shape

For Teachers 2nd
Second graders explore shapes and create a Silly Shape book. Students recognize that shapes have certain properties and be able to define them. Example, a triangle is any three-sided shape. Students' job is to make a picture on...