Multiplying Two-Digit Numbers by One-Digit Numbers

What is the first step in multiplying a two-digit number by a one-digit number using partial products?

• Subtract the one-digit number from the two-digit number.

• Break the two-digit number into tens and ones.

• Multiply the two-digit number directly by the one-digit number.

• Add the two-digit number to the one-digit number.

In the example of 37 multiplied by 4, what is the result of multiplying 4 by the tens part of 37?

• 28

• 120

• 148

• 37

When multiplying 58 by 7, what is the partial product of 7 times the tens part of 58?

• 58

• 350

• 56

• 7

In the final example, what is the result of multiplying 9 by the tens part of 72?

• 72

• 648

• 18

• 630

What is the final answer when 72 is multiplied by 9 using partial products?

• 18

• 648

• 630

• 72