Lesson Plan
Curated OER

Subtraction and Addition Word Problems Made Easy

For Teachers 3rd
Third graders create addition and subtraction word problems for a partner to solve using marbles. They explain whether the problem is an addition, subtraction, "take away", "have and need", compare or "what is the rest" type problem.
Worksheet
Curated OER

Large Numbers Reasoning Questions

For Students 4th - 5th
In this large number reasoning worksheet, students answer 5 questions that require them to use large numbers such as 1,000,000. They answer multiple choice questions and explain their reasoning.
Lesson Plan
Curated OER

Speed Is the Key

For Teachers 9th - 12th
Learners design and build a model downhill ski course that proves to be the fastest course at the Finish Line. They apply what they explore angles, slope, speed, and surface conditions to find the fastest course in the US.