Curated OER
Tri this Angle!
First graders draw and describe various types of polygons. they investigate their own environments for examples of polygons. After reading the book, The Greedy Triangle, they discuss everyday objects that are polygons. They create shape...
Curated OER
Tiling the Plane
Learners use pattern blocks and triangular grid paper to review shape names, be introduced to the concept of a tiling of the plane, and determine which pattern blocks tile the plane. They are asked: "Have you ever seen a floor or a wall...
National Council of Teachers of Mathematics
The Math Forum: Geoboard Activities
Math Forum provides a set of links to sites that are related to geoboard activities. There are several great links to lessons using geoboards. The links provide insight into how to use them, including how to perform various measurements...
University of Regina (Canada)
University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson introduces students to plotting points on a Cartesian grid using a Geoboard. Lesson two moves them...
University of Regina (Canada)
University of Regina: Math Central: Manipulatives for the Upper Elementary (Gr. 4 6)
Many teachers find it more challenging to incorporate the use of manipulatives into their mathematics programs at the upper elementary or middle school grades. Activities using manipulatives are provided for grades four, five, and six...
National Council of Teachers of Mathematics
The Math Forum: Using Geoboards in the Classroom
A thorough look at the extensive uses of geoboards in the classroom. Links are listed which give introductory information on geoboards - for teachers new to using them. Then, lesson plans are provided for using geoboards in teaching...
Rice University
Rice University: Cynthia Lanius: Hidden Irrationals (Geoboard Lesson)
This site provides a lesson on finding possible irrational numbers using a geoboard.
![K 5 Math Teaching Resources: Right Triangles on the Geoboard [Pdf] Activity](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Right Triangles on the Geoboard [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Right Triangles on the Geoboard [Pdf]
Students are to work with right triangles on a geoboard. Materials needed: geoboards, rubber bands, geoboardpaper and rulers
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Quadrilateral Criteria [Pdf]
Students are to make quadrilateral on a geoboard that meet a given criteria.
CPALMS
Cpalms: Area of Rectangles: A More Efficient Way?
[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...
George Mason University
Handmade Manipulative Instructions
At this personal site, you will find pages of math manipulatives and different types of graphing paper to print out and use in your classroom.