Lesson Plan
OER Commons

Oer Commons: Characteristics of Parallelograms

For Teachers 6th - 8th
In this lesson, young scholars learn more about the characteristics of parallelograms by folding paper and measuring the angles in a parallelogram. Students use a ruler and protractor to draw parallelograms with given properties. Then,...
Interactive
Shodor Education Foundation

Shodor Interactivate: Shape Builder

For Students 9th - 10th Standards
This activity operates in one of two modes: auto draw and create shape mode, allowing you to explore relationships between area and perimeter.
Activity
Rice University

Rice University: Cynthia Lanius: Hidden Polygon Activity

For Students 4th - 7th Standards
On this site students are instructed to locate different types of polygons on triangle grid paper. This page can be printed so that students can actually draw them. It also gives a definitions link for each polygon.
Whiteboard
ClassFlow

Class Flow: Shapes

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart is designed for an early childhood classroom and focuses on circles, squares, rectangles, and triangles. Opportunities provided for student participation include drawing plane shapes,...
Whiteboard
SMART Technologies

Smart: Shape Attributes

For Teachers Pre-K - 1st Standards
The introductory pages introduce the shapes and their attributes: triangle, rectangle, square, rhombus, circle, and oval. The additional pages allow students to practice shape recognition, tracing shapes, and drawing shapes.
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
Shodor Education Foundation

Shodor Interactivate: Factorize

For Students 3rd - 8th Standards
This Shodor site gives a brief explanation of factorization, and it allows you "to find all of the factorizations of a given number and then draw the product as the area of a rectangle on a grid."
Activity
Shodor Education Foundation

Shodor Interactivate: Factorize 2

For Students Pre-K - 1st Standards
The resource consists of student notes, instructor notes, and an interactive activity. The activity allows learners to find the factors of a given number and then draw the product as the area of a rectangle on a grid.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Pythagorean Theorem in Mathematical Context

For Teachers 8th Standards
Eighth graders are shown a drawing of a rectangle with a central triangle bordered by three right triangles. They are asked to prove whether or not the middle triangle is also a right triangle. Aligns with 8.G.B.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Shape Cutter

For Students Pre-K - 1st Standards
This computer tool allows students to compose and decompose shapes by making cuts and rearranging the pieces. The tool has an exploration section for learning exercises.
Lesson Plan
PBS

Pbs Learning Media: Math + Arts: Shapes & Patterns

For Teachers Pre-K - K
In this lesson, students will watch videos about shapes and identify shapes in their environment and in art. Links to the videos are at the bottom of the lesson overview, other material links are also provided.
Whiteboard
ClassFlow

Class Flow: Shapes 3 D

For Teachers K - 1st Standards
[Free Registration/Login Required] Flipchart identifies and draws circles, squares, triangles, ovals (ellipses), and rectangles. Flipchart identifies spheres, cubes, cylinders, and cones of various sizes, in various orientations and...
Handout
Homeschool Math

Homeschool Math: Parallel and Perpendicular Lines

For Students 6th - 8th
This lesson explains what are parallel and perpendicular lines and includes varied exercises and a video that shows how to draw a perpendicular line and a rectangle using a protractor or a triangular ruler.