Curated OER
Adding Two-Digit Numbers Using Dimes and Pennies
First graders examine regrouping when adding, by using dimes and pennies to borrow. In this addition lesson plan, 1st graders work together as a whole group, working together with the teacher.
Curated OER
Cruising
Cruise ships offer many engaging opportunities for real-world math adventures. These large, floating cities use resources with numbers into the thousands place. Young mathematicians are asked to calculate numerical information relevant...