Scholastic
Study Jams! Addition with Regrouping
Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...
Curated OER
Mathematical Roadmaps
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...