Trade First Subtraction

In Everyday Mathematics (EDM) students are introduced to many different methods for subtraction. As they get older, they are introduced to subtraction algorithms. Some are easier to learn, but not as efficient as others. EDM picks one algorithm as its… Read More

An Alternative Addition Method: Partial Sums Addition

In Everyday Mathematics (EDM) students are introduced to many different methods for addition. As they get older, they are introduced to addition algorithms. EDM introduces different methods for addition since some are well suited for mental arithmetic or larger numbers.… Read More

Using the Number Grid

In the primary grades at Pittsfield Elementary School, our Everyday Mathematics curriculum includes many counting activities that use number grids. For example, we might have children count by 10s starting at 17 (17, 27, 37, 47, 57) or count backward… Read More

A Day in the Life of the Math Lead Teacher

Editors Note: This year The Pittsfield Schools have used federal stimulus money through the American Recovery and Revitalization Act to hire two one-year specialists who are charged with training teachers and supporting students who need extra help. Ms. Harvey, a… Read More