Worksheet
Curated OER

Problem-Solving Decisions: Reasonable Answers

For Students 5th - 6th
In this problem solving worksheet, students answer 6 questions pertaining to a story problem about a tabletop scale model of the Nile River.
Unit Plan
Norwich Institute for Language Education

Simple Machines

For Teachers 4th - 8th Standards
Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 
Lesson Plan
Curated OER

Flying with Pythagoras

For Teachers 7th - 10th
A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided. 
Lesson Plan
Curated OER

19 Chains and 50 Links

For Teachers 9th - 11th
Students investigate surveys as it relates to chains and links. For this math lesson, students relate math to history and surveys done above, below and on the earths' surface. They review vocabulary pertaining to this lesson before...
Lesson Plan
Curated OER

Preparation and Transition to Two-Column Proofs

For Teachers 10th - 11th
Learners investigate proofs used to solve geometric problems. In this geometry lesson, students read about the history behind early geometry and learn how to write proofs correctly using two columns. The define terminology valuable to...