Dividing Decimals and Decimal Movement

This video tutorial teaches how to divide numbers by powers of 10, building on the concept of multiplying by powers of 10. It explains that dividing by powers of 10 involves shifting the decimal point to the left, making the number smaller. The tutorial provides examples of dividing by 10, 100, and 1,000, and includes practice problems to reinforce the concept.

What is the main focus of this lesson?

• Subtracting powers of 10

• Multiplying by powers of 10

• Dividing by powers of 10

• Adding powers of 10

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

• It stays in the same place

• It moves to the left one space

• It moves to the right one space

• It disappears

How is 100 expressed as a power of 10?

• 10^1

• 10^2

• 10^3

• 10^4

When dividing by 10, what happens to the decimal point?

• It moves to the left one space

• It stays in the same place

• It disappears

• It moves to the right one space

What is the result of dividing 5.1 by 10?

• 0.051

• 5.1

• 51

• 0.51

What is the result of dividing 5.1 by 10?

• 0.51

• 5.1

• 51

• 0.051

Dividing by powers of 10 makes the number:

• Stay the same

• Smaller

• Negative

• Larger

What is the result of dividing 5.1 by 100?

• 51

• 5.1

• 0.51

• 0.051

What is the result of dividing 5.1 by 100?

• 5.1

• 0.51

• 51

• 0.051

How many spaces do you move the decimal when dividing by 1,000?

• One space to the right

• Two spaces to the right

• Three spaces to the left

• Four spaces to the left