Peter Weatherall: Angles Song
Peter Weatherall

Learn about geometry with Peter Weatherall’s Angles Song.

ABCya! Bow and Angle

Practice measuring and reading angles while you defend yourself from treacherous shadow ninjas.

DK Find Out! Geometry

Geometry is all about lines, angles, shapes, and space.

Math Game Time: Four Piece Tangram
Math Game Time

In this free math game, use the tangrams to make the pictures.

Math Game Time: Leaping Frog
Math Game Time

Use your knowledge of angles and physics to help make your frog jump farther than the rest.

Real World Math: Exploratory Lessons - Line Patterns
Real World Math

Students will use the Google Earth path tool to connect markings in a geometric pattern of their design. 

Illuminations: Helping Ladybug Hide with Arrows and Angles
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students use an applet (technology tool) to hide a ladybug under a leaf.

Illuminations: Ladybug Mazes
Illuminations (National Council of Teachers of Mathematics)

In this activity, students plan a series of moves that will navigate a ladybug through a maze.

Illuminations: Reflect On This
Illuminations (National Council of Teachers of Mathematics)

This lesson, adapted from an activity in Navigating through Geometry in Grades 9‑12, requires students to investigate reflections using hinged mirrors.

Illuminations: Pinwheel
Illuminations (National Council of Teachers of Mathematics)

Each student creates parallelograms from square sheets of paper and connects them to form an octagon.

NRICH: Estimating Angles
NRICH (University of Cambridge)

This game offers you an opportunity to improve your ability to estimate angles.

Siemens STEM Day: Laser Beaming
Siemens STEM Day

In this activity, students will use a laser pointer and flat mirrors to explore the law of reflection.