Lesson Plan
Captain Planet Foundation

Frog Garden Party! Toads and Triangles in the Math Garden

For Teachers 4th Standards
It's frog party time! With frog banners, frog juice, and a triangle hunt, your garden party is sure to be both entertaining and educational. The lesson connects geometry, earth science, and delicious snacks to teach kids about ecosystems...
Lesson Plan
Curated OER

SuperShapes, Part 1; "Tri"ing Triangles

For Teachers 5th - 6th
An outstanding lesson plan on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
Lesson Plan
Curated OER

Investigating Square and Triangle Numbers

For Teachers 5th
Fifth graders build increasingly larger squares and triangles using pattern blocks. They record the growth patterns on a chart and look for corresponding numerical patterns. Students describe the patterns they find and use them to...
Lesson Plan
Curated OER

Evergreen Tree

For Teachers 1st - 2nd
Learners use a ruler to make measurements, and to create triangles and a rectangle. They take the shapes they've made and assemble them into an evergreen tree image. This simple, yet effective, lesson would be ideal for young learners...
Lesson Plan
Curated OER

Ball and Triangle Game

For Teachers K - 8th
Students view and discuss pictures of the Ball and Triangle Game the Penobscot Indian students in New England played. They construct cardboard versions of the game, and practice the game and keep score using beans.
Lesson Plan
Curated OER

Triangle Town

For Teachers 2nd
Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.
Lesson Plan
Curated OER

Exploring Geometric Figures

For Teachers 10th
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Lesson Plan
Curated OER

Mathematics Lesson for Grade 10

For Teachers 10th
There are four main topics in this bundle of lesson plans. They don't need to be taught sequentially. Each lesson has three parts: a starter, a main activity, and something to help consolidate and provide reflection on concepts learned.
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....
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
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...
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...
Lesson Plan
Curated OER

Colorful Dogs

For Teachers Pre-K - K
Students make dog collages using triangles and rectangles. In this collage lesson, students use cut-out triangles and rectangles to make a dog collage after looking examples of Keith Haring's work and listening to Emma Dodd's, Dog's...
Lesson Plan
Curated OER

Two-Dimensional Geometric Shapes

For Teachers K - 2nd
Students participate in hands-on activities to explore the shapes in their environment.
Lesson Plan
Curated OER

Fire Triangle

For Teachers 5th - 6th
Students revise the points of the fire triangle and discuss the characteristics of each corner, drawing up a set of adjectives to describe each contributor to a fire, and discuss ways a person might "stop" each contributor. They then use...
Lesson Plan
Curated OER

Stabilization Wedges Game

For Teachers 9th - 12th
Teamwork and critical thinking combine to for a creative lesson on reducing greenhouse gas emissions. Ebullient environmental studies learners play a game in which they strategize how to place colorful energy wedges together to create a...
Lesson Plan
Curated OER

Marshmellow Geometry

For Teachers 5th - 10th
Students explore a variety of geometric shapes, name them, and list their characteristics. The shapes are transposed into structures and checked for accuracy.
Lesson Plan
Curated OER

Graph Paper Patterns

For Teachers 3rd - 8th
Young artists divide a piece of graph paper into sections using rectangles, squares, and triangles. They then fill each section with patterns of shape and color. Elementary graders describe how their patterns are organized. Secondary...
Lesson Plan
Curated OER

Ancient Egypt Information Pyramid

For Teachers 6th - 8th
Middle schoolers work in cooperative groups of three or four to define Egyptian terms and use those terms on pre-cut triangles to create pyramids on oak tag for display. This lesson was originally developed as a follow-up activity for a...
Lesson Plan
Curated OER

The Value of Volume

For Teachers 9th - 11th
Students measure the perimeter and area of their polygons. For this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.
Lesson Plan
Curated OER

Tessellation Lesson Plan

For Teachers 6th - 12th
Students produce original tessellations, using equilateral triangles where three unique symmetrical faces rotate, use shape, pattern/repetition, and color to create a striking composition, and create "beasties" inspired by bestiaries of...
Lesson Plan
Curated OER

Origami Frogs

For Teachers 9th
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.