Teaching Strategies

Addition

• Partial Sums

• Partial Differences

• Partial Difference with 3-digit numbers

• Number Line Strategy for Addition

• Number Line Strategy for Subtraction

Multiplication

• Using Array Model

• Partial Products

Division

• Using Array Model

• Partial Quotients)with single digit divisor

• Partial Quotients with 2-digit divisor

Array Model in Secondary

Secondary math courses build upon and support the elementary focus of teaching for deep understanding before teaching procedurally. Many of the basic models introduced in elementary are re-visited and expanded upon in middle school and in high school allowing students to make connections with prior learning.

To learn more about the development of multiplication and division understanding in elementary and middle school, please view the following short videos:

• Progression of Multiplication

• Progression of Division