← Arithmetic Course
UNIT 4 · LESSON 6

Mental Multiplication

Understand multiplication as repeated groups, scaling and area.

WHY LEARN THIS?

This idea has a purpose.

Mathematics becomes much easier when you understand what a tool was designed to accomplish. This lesson will build Mental Multiplication from the idea itself instead of asking you to memorize a rule first.

Places this kind of mathematics can appear:

bulk purchases
area calculations
hourly production
recipe scaling
FULL TUTORIAL

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LESSON PROGRESS

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