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Angles: online games, activities, and lessons

This is an annotated and hand-picked list of online games, activities, and lessons for angle-related topics in elementary school.


Angles

Guess the Random Angle
Estimate and guess the angles shown.
www.crickweb.co.uk/assets/resources/flash.php?&file=angle

Ladybug Leaf
Guide the ladybug by giving her commands to turn 90° or 45°, right or left, or to move forward/backward.
nlvm.usu.edu/en/nav/frames_asid_287_g_2_t_3.html

LadyBug Mazes
Similar to the Ladybug Leaf, but this time you guide the ladybug through the maze.
nlvm.usu.edu/en/nav/frames_asid_141_g_2_t_3.html


Math Mammoth Geometry 1

A self-teaching worktext for 4th-5th grade that covers angles, triangles, quadrilaterals, cirlce, symmetry, perimeter, area, and volume. Lots of drawing exercises!

Download ($6.90). Also available as a printed copy.

=> Learn more and see the free samples!

See more topical Math Mammoth books


Angles
Practice your knowledge of acute, obtuse, and alternate angles, plus relationships between angles such as vertical, adjacent, alternate, same-side, and corresponding.
www.shodor.org/interactivate/activities/Angles

Angle Find!
Click on the angle with the given angle measure within a geometric figure. Three different modes: Easy Cornering, Parallel Play, and Tangled Angles. Practices your ability to estimate angles and your knowledge of vertical angles, corresponding angles, and angles in a triangle.
puzzlezapper.com/aom/mathed/anglefind/anglefind.html

Geometry Bridge
An interactive review lesson on types of angles, types of triangles, angle sum of a triangle, and the Pythagorean Theorem, for 5th-7th grade students. You get to build a bridge!
www.sharemylesson.com/teaching-resource/Geometry-Bridge-50018309/

Turtle Pond
Estimate length and angle measure while guiding a turtle to a pond using computer commands.
illuminations.nctm.org/Activity.aspx?id=3534

Banana Hunt at Primary Games
Help the monkey to find bananas and learn to estimate angles.
www.primarygames.co.uk/pg2/bhunt/bhunt.html

Angles
Practice obtuse/right/acute angles, and vertical/corresponding/alternate interior or exterior angle concepts
www.shodor.org/interactivate/activities/Angles

Dr. Math Introduces Geometry: Learning Geometry is Easy! Just ask Dr. Math!
A supplement to middle school geometry, Dr. Math Introduces Geometry has a light tone, clear layout, and humorous cartoons by Jessica Wolk-Stanley. The best part is that the explanations to math questions are accurate and clear. You'll find answers to dozens of real questions from students who needed help understanding the basic concepts of geometry. This book covers angles, triangles, quadrilaterals, area, perimeter, Pi, circle parts, polyhedra, surface area, volume, nets, congruent transformations, and symmetry. Price ~$12 new, ~$1-6 used.

Working with Angles
An interactive lesson with explanations and quiz from Absorb Mathematics course written by Kadie Armstrong, a mathematician.
www.absorblearning.com/mathematics/demo/units/KCA003.html

Angles in Polygons
An interactive lesson with explanations and quiz from Absorb Mathematics course written by Kadie Armstrong, a mathematician.
www.absorblearning.com/mathematics/demo/units/KCA004.html

Properties of Parallelograms
Investigate the sides and interior angles of parallelograms using these two interactive tools.
math.kendallhunt.com/x19430.html

Interior Angles
A nice lesson and explanation about interior angles of polygons.
www.coolmath4kids.com/interior.html

Math Mammoth Geometry Worksheets Collection
A collection of quality worksheets with variable problems for grades 3-8. Topics include angle relationships, triangles, quadrilaterals, congruency, similar figures, constructions, area, volume, and the Pythagorean Theorem. Price: $9.00 download. See the free samples!
www.mathmammoth.com/worksheets/geometry.php
Math Mammoth Geometry Worksheets Collection

Geometry worksheets & quizzes
Worksheets about complementary and supplementary angles, parallel, perpendicular, and intersecting lines, types of angles, basic shapes, area & perimeter of rectangles, and parts of a circle.
www.dadsworksheets.com/v1/Worksheets/Basic Geometry.html

MB-Ruler - a triangular ruler for the computer screen
MB-Ruler is a software that helps you to measure distances and angles on the computer screen, such as distances on a map or angles in any image. It has a ruler and a protractor, which are almost transparent over the image you are working with.
www.markus-bader.de/MB-Ruler

Let's Practice Geometry - Free Worksheets
Lots of free worksheets for high school geometry, including topics such as the Pythagorean Theorem, perimeter, area, volume, angle relationships, triangle theorems, similarity and congruence, logic, proofs, trig, polygons, and circles.
www.letspracticegeometry.com/free-geometry-worksheets


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