Decimal Multiplication Challenge

What is the first step in the place value method for multiplying decimals?

• Add the decimals

• Ignore the decimals

• Convert the decimals to fractions

• Subtract the decimals

When using the place value method, what is the result of multiplying 0.04 by 0.7?

• 0.028

• 0.28

• 0.0028

• 0.00028

In the ignoring place value method, what must you do after calculating the product without decimals?

• Divide the result by 10

• Multiply the result by 10

• Subtract the decimals

• Add the decimals back in

Using the ignoring place value method, what is the product of 0.04 and 0.7?

• 0.0028

• 0.00028

• 0.28

• 0.028

What is the combined method used for in decimal multiplication?

• To subtract decimals

• To add decimals

• To simplify complex problems

• To avoid using decimals

What is the product of 2.3 and 1.4 using the combined method?

• 322

• 32.2

• 0.322

• 3.22

In the area model method, what do you do after labeling the sides?

• Multiply the smaller parts

• Add the smaller parts

• Divide the smaller parts

• Subtract the smaller parts

Using the area model method, what is the product of 2.3 and 1.4?

• 3.22

• 322

• 32.2

• 0.322

What is the product of 0.3 and 0.6 using any method?

• 0.18

• 18

• 1.8

• 0.018

What is the product of 0.5 and -0.4 using any method?

• 2.0

• -2.0

• 0.20

• -0.20