Lesson Plan
Curated OER

Branches of Government Graphic

For Teachers 4th - 5th
Students explore the three branches of government. They create a graphic diagram to show each branch of government. Students include the qualifications for service and duties of each branch of government in their graphic diagram.
Lesson Plan
Curated OER

Shapes

For Teachers All
Students identify five basic shapes. They participate in a hands-on activity in which they work with the different shapes. They name the characteristics that accompany each shape.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers K - 2nd
Students practice moving over shapes they have designed.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers 1st - 4th
Students practice moving over shapes they have designed. They work on trying to travel around the shapes while practicing their jumping and landing patterns.
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 5, Lesson 24: Read All About It!

For Teachers 2nd - 3rd
Students listen to The Important Thing About Quilt Design and rewrite an original version using geometric terms.
Lesson Plan
Curated OER

Geometry and Symmetry

For Teachers 4th - 6th
Students examine tessellations and their geometric properties. The lesson and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
Lesson Plan
Curated OER

Make Your Own Shape Puzzles

For Teachers All
Students create their own shape puzzles. They practice putting puzzle pieces together so they fit correctly. They classify and sort the different shapes as they finish the puzzle.
Lesson Plan
Curated OER

I Walk the Line

For Teachers K
Students walk, run, jump, and hop all over and around geometric shapes. They identify the shapes by running to and standing on the called out shape.
Worksheet
Curated OER

Building Your Bridge Building Basics

For Students 6th - 8th
In this technology worksheet, learners examine the basic principles of bridge building design in order to answer the nine questions with the help of the web links on page 2.
Lesson Plan
Better Lesson

Better Lesson: Finding the Area Review and Assessment

For Teachers 6th Standards
Sixth graders find the area of rectangles, triangles, parallelograms, and trapezoids by using formulas or by composing into rectangles or triangles.
Unit Plan
Mr. Martini's Classroom

Mr. Martini's Classroom: Area of Triangles, Trapezoids & Parallelograms

For Students 3rd - 8th Standards
Students solve for the area of rectangles, squares, triangles, trapezoids, and parallelograms.
Activity
National Council of Teachers of Mathematics

The Math Forum: Find the Area of the Shape!

For Students 3rd - 8th Standards
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
Handout
Wolfram Research

Wolfram Math World: Area

For Students 9th - 10th Standards
Definitions and formulas for the computation of surface areas of triangles, rectangles, and any regular polygon. Helpful links to related pages.
Unit Plan
Texas Education Agency

Texas Gateway: Determining Area of Composite Figures

For Students 7th - 8th
Given composite figures (combinations of rectangles, squares, parallelograms, trapezoids, triangles, semicircles, and quarter circles), students will be able to determine expressions for the area as well as calculate the area of the figure.
Handout
CK-12 Foundation

Ck 12: Geometry: Triangles and Quadrilaterals Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide reviews the formulas for area and perimeter of triangles and different kinds of quadrilaterals.
Activity
University of Regina (Canada)

University of Regina: Math Central: Irregular Surface Area Exercise

For Students 9th - 10th Standards
Students will be engaged by this assignment that has them estimating the areas of irregular surfaces. This includes computing the area of rectangles, triangles, and circles.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Extensions, Bisections, Dissections in Rectangle

For Teachers 9th - 10th Standards
In this task, students must draw a diagram from a verbal description and use their understanding of similar triangles to find the area of a quadrilateral. Aligns with G-SRT.B.5.
Activity
Texas Instruments

Texas Instruments: Area Formulas App

For Teachers 6th - 8th
Students review the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.
Activity
Texas Instruments

Texas Instruments: Surround and Be Found! Triangular Areas, That Is!

For Teachers 6th - 8th Standards
In this activity, students use the Geoboard to determine the area of triangles using the surrounding rectangle technique. They also develop and use formulas to determine the area of triangles. [Requires Adobe Reader.]
Lesson Plan
Better Lesson

Better Lesson: Remarkable Rectangles

For Teachers K Standards
Rectangle is SO MUCH like triangle! Those darned angles--they'll get beginning learners! This is a fun way to practice rectangle!
Unknown Type
Khan Academy

Khan Academy: Area and Perimeter on the Coordinate Plane

For Students 9th - 10th Standards
Find the area or perimeter of shapes like triangles, rectangles, parallelograms, and hexagons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
CK-12 Foundation

Ck 12: Geometry: Perimeter and Area Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide looks at the definitions and units for perimeter, area, and circumference, and at the perimeter and area of different shapes, including regular...
Lesson Plan
Better Lesson

Better Lesson: Area of Composite Shapes

For Teachers 6th Standards
Sixth graders take their knowledge about area of rectangles, squares and triangles and apply it to parallelograms, trapezoids, and composite shapes.
Unknown Type
Khan Academy

Khan Academy: Area & Perimeter on the Coordinate Plane

For Students 9th - 10th Standards
Find the area or perimeter of shapes like triangles, rectangles, parallelograms, and hexagons on the coordinate plane.