Multiplying Decimals and Two-Digit Numbers

This video tutorial explains how to multiply decimals by two-digit numbers using long multiplication. It provides two detailed examples: multiplying 12 by 4.7 and 34 by 2.06, demonstrating the process of aligning numbers, ignoring decimal points initially, and placing the decimal point in the final answer. The video concludes with practice problems for viewers to solve.

What is the first step in multiplying decimals by two-digit numbers?

• Multiply the numbers directly.

• Divide the numbers first.

• Ignore the decimal point initially.

• Add the numbers together.

When multiplying 12 by 4.7, what is the result of 12 times 47?

• 47

• 470

• 120

• 564

How many decimal places should the answer have when multiplying 12 by 4.7?

• One

• None

• Three

• Two

What is the first step in the example of multiplying 34 by 2.06?

• Divide 34 by 2.06.

• Add 34 and 2.06.

• Subtract 2.06 from 34.

• Multiply 34 by 206.

In the multiplication of 34 by 2.06, what is the result of 4 times 6?

• 24

• 20

• 26

• 28

How many decimal places should the answer have when multiplying 34 by 2.06?

• None

• One

• Three

• Two

What is the inverse operation of multiplication used in the examples?

• Multiplication

• Division

• Subtraction

• Addition

What is the result of 26 multiplied by 7.4?

• 192.4

• 198.4

• 194.4

• 196.4

What is the result of 41 multiplied by 1.93?

• 79.13

• 79.13

• 79.13

• 79.13

What is the result of 16 multiplied by 1.058?

• 16.928

• 16.928

• 16.928

• 16.928