This is a great resource to review missing complementary and supplementary angles in a fun way! All students need are markers, crayons, or colored pencils. Color by number activities allow students to unlock their creative sides, and help them stay focused. These color by number activities are self-checking and can help your students gain independence! This is best used around Earth Day. The worksheet can be given in class, as homework, and/or used as a formative assessment. Keep math fun and