Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Introduction to Problem Solving
A guide to solving problems involving numbers, rectangles, and angles. You'll learn how to employ Polya's four steps: understand the problem, devise a plan, carry out the plan, and look back.
CK-12 Foundation
Ck 12: Interactive Geometry: 1.2 Angles and Lines
Explore lines and angles, and the relationship between the two.
Other
Worqx: Color Combinations
In an continuing overview of color and color theory, this site focuses on a variety of color combinations including Monochromatic Relationship, Complementary Relationship, Split-Complementary Relationship, Double-Complementary...
ClassFlow
Class Flow: Color Mixing
[Free Registration/Login Required] This is an elementary primer to mixing colors in art and is a great resource for beginning artists with activity pages for kids to demonstrate their understanding of primary and secondary colors.
ClassFlow
Class Flow: Complementary and Supplementary Angles
[Free Registration/Login Required] This flipchart contains Complementary and Supplementary angles. This lesson integrates proofs as well as matching, and integrated assessment through out the lesson. Works well with the book Geometry for...
Doina Popovici
Math Play: Classifying Angles Jeopardy Game
An online Jeopardy game where students describe the type of angles, measurement of angles, and identify whether angles are complementary, supplementary or congruent.