Mastering Multiplication and Division with Powers of Ten

What happens to the decimal point when you multiply by a power of 10?

• It moves to the left.

• It disappears.

• It moves to the right.

• It stays in the same place.

Tags

CCSS.5.NBT.A.2

When dividing by a power of 10, which direction does the decimal point move?

• To the right

• To the left

• It stays in the same place

• It disappears

Tags

CCSS.5.NBT.A.2

In the example of multiplying 65.74 by 10^3, how many places do you move the decimal point?

• One place

• Two places

• Four places

• Three places

Tags

CCSS.5.NBT.A.2

What is the result of multiplying 65.74 by 10^3?

• 657400

• 65740

• 6574

• 657.4

Tags

CCSS.5.NBT.A.2

When dividing 254 by 10^2, where do you place the decimal point initially?

• To the left of the first digit

• To the right of the last digit

• Between the first and second digits

• Between the second and third digits

Tags

CCSS.5.NBT.A.2

How many places do you move the decimal point when dividing 254 by 10^2?

• Four places

• Two places

• One place

• Three places

Tags

CCSS.5.NBT.A.2

What is the result of dividing 254 by 10^2?

• 25.4

• 2540

• 0.254

• 2.54

Tags

CCSS.5.NBT.A.2

When multiplying by powers of 10, how many places do you move the decimal point?

• Two places

• As many places as the exponent

• It depends on the number

• One place

Tags

CCSS.5.NBT.A.2

When dividing by powers of 10, how many places do you move the decimal point?

• It depends on the number

• Two places

• One place

• As many places as the exponent

Tags

CCSS.5.NBT.A.2

Which of the following statements is true about multiplying and dividing by powers of 10?

• Both operations move the decimal to the left.

• Multiplying moves the decimal to the left, and dividing moves it to the right.

• Both operations move the decimal to the right.

• Multiplying moves the decimal to the right, and dividing moves it to the left.

Tags

CCSS.5.NBT.A.2