Associativity and Multiplication Problems (Part 2)

The video tutorial explains how to solve a multiplication problem using the commutative property and grouping techniques. It starts with a simple example of multiplying numbers and progresses to using properties of multiplication to simplify the process. The lesson concludes with a summary of the key concepts learned.

What is the result of multiplying 2 by 9?

• 16

• 18

• 20

• 22

Why is the order of multiplication not important?

• Because of the associative property

• Because of the commutative property

• Because of the distributive property

• Because of the identity property

What is the first step in using the grouping trick for 2 * 9 * 4?

• Multiply 9 and 2

• Multiply 2 and 4

• Multiply 2 and 9

• Multiply 9 and 4

What is the result of multiplying 9 by 8?

• 74

• 64

• 70

• 72

What is the final result of 2 * 9 * 4?

• 64

• 70

• 72

• 74