Key Mathematical Ideas

Multiplication problems can be represented in different ways; each representation highlights some aspect of multidigit computation and obscures others.

Procedures for calculating a multidigit multiplication problem rely on both the properties of the operations and the base-ten structure of number.

As students work to understand the reasoning behind both alternative and traditional computational procedures, they deepen their knowledge of multiplication.

Elaborations

The videos below elaborate on the key ideas from this session. This is a great opportunity to consolidate your learning before moving onto the next session.

Preparation for Session 5:

Read Chapter 5: Division with Multidigit Numbers from your casebook. Consider the questions posed in the introduction of the chapter.

Session Checkpoint

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