Multiplying Two-Digit Numbers Quickly

What is the first step in the faster method for multiplying two-digit numbers?

• Subtract the digits of both numbers.

• Add the digits of both numbers.

• Multiply the first digits of both numbers.

• Multiply the last digits of both numbers.

In the example 45 x 21, what is the result of multiplying the last digits?

• 4

• 8

• 5

• 10

When multiplying 62 x 54, what is the sum of the products of the cross-multiplication step?

• 30

• 34

• 28

• 24

In the example 94 x 56, what is the final result after carrying over the digits?

• 5264

• 5364

• 5164

• 5464

What is the final answer for the practice problem 76 x 41?

• 3116

• 3216

• 3316

• 3416