Unit Plan
National Security Agency

Fraction Fever

For Teachers 4th - 5th Standards
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Lesson Plan
Curated OER

Double Your Money

For Teachers 2nd - 3rd
What a creative way to delve into adding large numbers! After listening to a story called The King's Chessboard, learners estimate how much money they would have each day following instructions based on doubling and exponentially...
Lesson Plan
Illustrative Mathematics

Cynthia's Perfect Punch

For Teachers 3rd - 5th Standards
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...