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 trick is used to simplify the multiplication of 2 and 4 in the example?

• Grouping trick

• Distributive property

• Associative property

• None of the above

What is the final result of 18 multiplied by 4 as shown in the lesson?

• 64

• 72

• 80

• 90