Lesson Plan
Curated OER

Making Connections, Linking Population and the Environment

For Teachers 4th - 6th
Students find out that all habitats have a carrying capacity. They explore how the world's human population has grown markedly in the 20th century, and that humans impact environmental health. Students investigate that people can and...
Unit Plan
Khan Academy

Khan Academy: Negative Number Addition and Subtraction: Word Problems

For Students 6th - 8th Standards
Practice solving word problems with negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.