Solve real world problems with addition and subtraction within 1,000. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Use visual models and place ...

Join Mr. Joel Lookadoo as he explains how to solve math problems using both addition and subtraction. Can you help him figure out how many ping pong balls he has in his box? Rise and Shine is ...

PEMDAS has plagued many in elementary school math classes, but how many Americans remember how to use the acronym to solve problems? A simple sixth-grade math equation went viral on X for stumping ...