Curated OER
Making a Food Web and Learning About Ecosystems
Third graders examine the difference between a food web and food chain. They also examine the importance of the sun in a food web and food chain. Students understand what happens when you remove parts of the chain.
Better Lesson
Better Lesson: Finding Equivalent Fractions
Using number lines and fraction strips helps students become familiar with benchmark fractions, equivalent fractions, and comparing fractions.
University of Regina (Canada)
University of Regina: Math Central: Rational Numbers Lesson
This hands-on lesson plan discusses and explores rational numbers. Students construct personal fractional strip kits and use them to compare fractional amounts and investigate equivalence. The lesson plan includes instructions,...