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Multiplying Whole Numbers, Part 3: Multiplying a Larger Number by a Single-Digit Number
04:34

Multiplying Whole Numbers, Part 3: Multiplying a Larger Number by a Single-Digit Number

This clip presents a simple multiplication problem in which a three-digit number is multiplied by a one-digit number. The clip explains that multiplication is essentially a shortcut for what would otherwise be a very laborious addition problem, then...

Multiplying Whole Numbers, Part 3: Multiplying by Ten, Twenty, Thirty and Beyond
05:28

Multiplying Whole Numbers, Part 3: Multiplying by Ten, Twenty, Thirty and Beyond

This clip explains the role that zeroes play in multiplying numbers by 10, 20, 30 and so on.

Addition of Whole Numbers, Part 2: Three Practical Problems
03:39

Addition of Whole Numbers, Part 2: Three Practical Problems

This clip provides three real-world examples of how the ability to add whole numbers can be useful. The examples include calculating the following: the total number of miles driven during a multi-day trip, the total number of people who attended sev...