Curated OER
Just Turn it Off
Students explore energy. In this energy lesson, students discover why it is important to conserve energy. Students discover how energy is used in items we use everyday. Students discover how batteries work. Students do an experiment with...
Curated OER
Focus on Problem-Solving: Explain Your Answer: Problem Solving
In this explaining answers learning exercise, students read the word problem about a passenger helicopter and its speed abilities. Students use the understand, plan, solve, and look back method to solve the problem and then explain how...
Curated OER
Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving worksheet, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.