Interactive
Curated OER

Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Lesson Plan
Curated OER

Pattern Matching

For Teachers 1st
First graders examine how to determine the lines of symmetry in pictures, shapes, and patterns by completing the lessons in this unit. They make patterns that show a line of symmetry and describe it using their own language.
Lesson Plan
Curated OER

Poems Have Shapes, Too!

For Teachers 2nd - 4th
Students explore the world of geometric shapes by writing poetry. They use the Diamante Poetry worksheet. They select one geometric shape and, using the template, create their own poem.
Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th
Ninth graders explore solving linear inequalities. They discuss vocabulary words and symbols associated with linear inequalities. After a demonstration by the teacher, 9th graders solve and graph inequalities. Students complete a...
Lesson Plan
Curated OER

The Plane! The Plane!

For Teachers 5th
Fifth graders work with polygons.
Lesson Plan
Curated OER

Introductory to Area (Squares, Rectangles, and Triangles)

For Teachers 6th - 8th
Middle schoolers explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Middle schoolers find area of irregular figures by breaking the...
Lesson Plan
Curated OER

Line and Shape Game

For Teachers 9th - 12th
Learners play the "space-breaker" game, in which they are required to create a picture using shapes or lines called out to them) to reinforce the concept of geometric shape and line.
Worksheet
Curated OER

Angles

For Students 6th - 8th
In this math learning exercise, students measure a series of angles. Then they measure the angles in the triangles and determine the sum of the angles.
Lesson Plan
Curated OER

Constructing Geometric Shapes

For Teachers 7th - 8th
In this construction geometric shapes worksheet, student use the software program for instruction then construction shapes and bisect angles for four questions.
Lesson Plan
Curated OER

Minerals

For Teachers 9th - 10th
Students explore the concept of minerals. In this minerals activity, students discuss how cooling affects the size of crystals. Students discuss how the structure of minerals is a tetrahedron. Students discuss the structure of silicates...
Lesson Plan
Curated OER

Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
Lesson Plan
Curated OER

Tango's Story

For Teachers 5th
Fifth graders listen to "Grandfather Tang's Story" and use tangram pieces to create animals described by the main character.
Lesson Plan
Curated OER

Tiling the Plane

For Teachers 2nd - 3rd
Students 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...
Lesson Plan
Curated OER

Line and Shape Game

For Teachers 9th - 12th
Students create a picture of an actual scene or overlap the called out lines or shapes into a space-breaker. If someone calls out a line or shape a student had not planned to use in the art, they have to figure out some way to use it...
Lesson Plan
Curated OER

A Real Difference

For Teachers 5th
Fifth graders use the Celsius and Fahrenheit thermometers to compare temperature readings. They use the Internet to find the temperatures of selected cities. After data is collected for five days, 5th graders graph the temperatures.
Worksheet
Curated OER

Family Activity-- Finding Areas of Triangles

For Students 4th - 5th
In this math instructional activity, students work at home with a family member to identify triangles and find the areas. Students find 3 triangles in tile patterns, wallpaper, paintings or anywhere in the home and answer 6 questions.
Unit Plan
TED Talks

Ted: Ted Ed: The Complex Geometry of Islamic Design

For Students 9th - 10th
In Islamic culture, geometric design is everywhere: you can find it in mosques, madrasas, palaces, and private homes. And despite the remarkable complexity of these designs, they can be created with just a compass to draw circles and a...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Geometry

For Students 9th - 10th Standards
Practice using your graphing calculator for geometry problems, including the use of the Pythagorean Theorem and the distance formula. If you get stumped or if you would like to check your work, then select the View Solution button, which...
Lesson Plan
Better Lesson

Better Lesson: Spectacular Circles!

For Teachers K Standards
Students will have fun making circles out of chenille stems (pipe cleaners) and placing small circular pony beads while they practice drawing and identifying circles.
Lesson Plan
Alabama Learning Exchange

Alex: Circles All Around Us

For Teachers 6th - 8th Standards
For this lesson, students will estimate several dimensions of circles in everyday objects. Students will use the metric and customary systems for their estimations. This lesson plan was created by exemplary Alabama Math Teachers through...
Activity
Math Open Reference

Math Open Reference: Constructions

For Students 9th - 10th Standards
Learn about drawing shapes using only a compass and straight edge or ruler with out measuring any lengths or angles.
Activity
Maths Challenge

Maths challenge.net: Children in a Circle

For Students 3rd - 6th
A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.
Handout
Wolfram Research

Wolfram Math World: Math World: Geometric Construction

For Students 9th - 10th Standards
Offers an explanation of what a geometric construction is and what some of the tools are that are used for it, including the traditional straightedge and compass. The site explains how to construct various polygons inscribed within a...
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.