Lesson Plan
Curated OER

Symmetry of the Addition Table

For Teachers 1st - 3rd Standards
Help your class discover the commutative property of addition with this exploration of the addition table. By folding and coloring the table, a symmetry is found that directs students to an understanding of this crucial mathematical...
Activity
Noyce Foundation

Tri-Triangles

For Students K - 12th Standards
Develop an understanding of algebraic sequences through an exploration of patterns. Five leveled problems target grade levels from elementary through high school. Each problem asks young mathematicians to recognize a geometric pattern....
Activity
Noyce Foundation

Double Down

For Students K - 12th Standards
Double the dog ears, double the fun. Five problems provide increasing challenges with non-linear growth. Topics include dog ears, family trees and population data, and geometric patterns.  
Activity
Noyce Foundation

Miles of Tiles

For Students K - 12th Standards
Create number sentences and equations to solve geometric problems. Each activity in the series of five asks young mathematicians to consider different-sized tiles to build structures according to specific criteria. The first activities,...
Activity
Noyce Foundation

What's Your Angle?

For Students K - 12th Standards
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...
Activity
Getting to Know

Shape and Form in Art

For Teachers K - 4th
Introduce youngsters to the important role shape and form play in art with this extensive collection of activities and projects. From teaching first graders how to create mandalas to engaging third and fourth graders in the design...
Activity
Rice University

Rice University: Cynthia Lanius: Rectangle Pattern Challenges

For Students 3rd - 8th Standards
Students use rectangles to explore patterns. Once they understand the concept, students can create their own patterns for others to explore.
Activity
George Mason University

Working With Fractions Using Pattern Blocks

For Students 2nd - 4th
Students can download pattern block grid paper or cutouts for class activities. Included is an activity comparing the relationships of fractional parts called, "What's My Number?" Links available to other pattern block and fraction...
Activity
Scholastic

Scholastic: Max's Math Adventures: Max's Fantastical Zoo

For Teachers 3rd - 5th
Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.
Activity
University of Cambridge

University of Cambridge: Nrich: Instant Insanity

For Students 3rd - 8th Standards
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
Activity
University of Cambridge

University of Cambridge: Nrich: Little Squares

For Students 3rd - 8th
What are square numbers? Use tiles at this one page website to discover the pattern of square numbers. See if you can solve the challenge. Once you have your solution you can check the solution given right at the website.
Activity
University of Cambridge

University of Cambridge: Nrich: Doplication

For Students 3rd - 8th Standards
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Triangles to Tetrahedra

For Students 3rd - 8th Standards
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
Activity
University of Cambridge

University of Cambridge: Nrich: Where Are They?

For Students 3rd - 8th
Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Table for 19 (Pdf)

For Students 3rd - 8th Standards
The waiters at Polygon's Restaurant need your help. See if you can use your problem solving and patterning skills to help them solve this math challenge. Discover how developing these skills could be useful in real life situations, in...
Activity
National Council of Teachers of Mathematics

The Math Forum: What Is a Tessellation?

For Students 3rd - 8th Standards
The Math Forum defines and illustrates geometric tessellation.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Upside Down (Pdf)

For Students 3rd - 8th Standards
What lowercase letters read the same both upside down and right side up? If you have the answer, then you can handle this geometric symmetry math challenge. A one-page activity from the NTCM Math Challenge for Families collection....
Activity
University of Cambridge

University of Cambridge: Nrich: Christmas Presents

For Students 3rd - 8th Standards
Improve your logic and net recognition skills with this learning game. Solution included.
Activity
University of Cambridge

University of Cambridge: Nrich: Making Boxes

For Students 3rd - 8th Standards
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
Activity
National Council of Teachers of Mathematics

The Math Forum: Line Symmetry

For Teachers 3rd - 5th Standards
This site from The Math Forum is a great site if you are looking for activities to engage your students in learning about line symmetry. Peruse this collection of activities for one or two or four that would be right for your students....
Activity
University of Cambridge

University of Cambridge: Nrich: Making Squares

For Students 3rd - 4th
On this one page website sharpen your logic, spatial sense, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Transformations on a Pegboard

For Students 3rd - 5th
This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.
Activity
University of Cambridge

University of Cambridge: Nrich: Three Squares

For Students 3rd - 4th
Students can sharpen their logic and spatial relationship skills while working on this challenge on this one page website. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Street Party

For Students 3rd - 8th
Sharpen your logic and spatial sense skills while working on this challenge. Solution included.

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