Simple Multiplication Trick

The video introduces a simple multiplication trick to simplify mental math. It explains how to identify numbers that multiply to form easy-to-work-with numbers, like 10 or 100, and rearrange the calculation for simplicity. The video provides examples and practice questions to help viewers apply the method, emphasizing that there may be multiple ways to use this approach.

What is a common challenge when performing multiplication from left to right?

• It is the only method available.

• It requires a calculator.

• It can be complicated.

• It is always faster.

In the example provided, which two numbers are multiplied first to simplify the calculation?

• 2 and 5

• 3 and 7

• 4 and 6

• 1 and 9

What is the result when you multiply 2 and 5 in the example?

• 15

• 25

• 20

• 10

What is the final result of the example calculation after using the trick?

• 420

• 240

• 520

• 320

What is a key benefit of using the multiplication trick discussed in the video?

• It is only useful for small numbers.

• It simplifies mental math problems.

• It requires more steps.

• It makes calculations more complex.