Multiplying Decimals Steps and Concepts

In this video, Mr. J explains how to multiply decimals by decimals using two examples. The process involves three steps: ignoring the decimals initially, multiplying the numbers as whole numbers, and then placing the decimal in the correct position in the final answer. The video provides a detailed walkthrough of each step for two problems: 0.72 x 0.4 and 6.3 x 2.9, ensuring viewers understand the method. The video concludes with a summary of the process and encourages viewers to practice the technique.

What is the first step in multiplying two decimals?

• Convert decimals to fractions

• Add the decimals together

• Remove the decimals and multiply as whole numbers

• Divide the decimals

In the example 0.72 x 0.4, what is the product of 72 and 4?

• 280

• 300

• 292

• 288

How many digits should be behind the decimal in the product of 0.72 and 0.4?

• Four

• Three

• Two

• One

What is the final answer for 0.72 multiplied by 0.4?

• 288

• 28.8

• 2.88

• 0.288

In the example 6.3 x 2.9, what is the product of 63 and 29?

• 1927

• 1827

• 1727

• 1627

How many digits should be behind the decimal in the product of 6.3 and 2.9?

• One

• Four

• Two

• Three

What is the final answer for 6.3 multiplied by 2.9?

• 1827

• 182.7

• 1.827

• 18.27

What is the second step in multiplying two decimals?

• Add the decimals

• Multiply as whole numbers

• Subtract the decimals

• Convert to fractions

What is the third step in multiplying two decimals?

• Convert to fractions

• Subtract the decimals

• Place the decimal in the product

• Add the decimals

What should you do after multiplying the whole numbers in a decimal multiplication problem?

• Add the decimals

• Place the decimal in the product

• Subtract the decimals

• Convert to fractions