Worksheet
Curated OER

Fourth of July Addition and Subtraction

For Students 2nd - 3rd
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Lesson Plan
Curated OER

Extreme Elevations

For Teachers 7th
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...