Dividing Decimals and Decimal Movement

This video tutorial explains how to divide numbers by 10, 100, and 1000 by moving the decimal point to the left according to the number of zeros in the divisor. It provides three examples: dividing by 10, 1000, and 100, demonstrating the process of shifting the decimal point left by one, three, and two places, respectively. The video concludes with a recap of the method.

What is the basic rule for dividing a number by 10, 100, or 1000?

• Move the decimal point to the left.

• Add zeros to the end of the number.

• Move the decimal point to the right.

• Multiply the number by 10, 100, or 1000.

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

• Two places to the right.

• One place to the left.

• Three places to the left.

• One place to the right.

What is the result of dividing 8.46 by 10?

• 0.0846

• 8.46

• 0.846

• 84.6

How many zeros are in the number 1000?

• Three

• Two

• One

• Four

When dividing by 1000, how many places do you move the decimal point?

• One place to the left.

• Two places to the right.

• Four places to the left.

• Three places to the left.

What is the result of dividing 71.2 by 1000?

• 71.2

• 0.712

• 7.12

• 0.0712

How many zeros are in the number 100?

• One

• Four

• Two

• Three

When dividing by 100, how many places do you move the decimal point?

• Four places to the left.

• Three places to the left.

• Two places to the left.

• One place to the right.

What is the result of dividing 8.1 by 100?

• 0.81

• 8.1

• 81

• 0.081

What is the general method for dividing by 10, 100, or 1000?

• Move the decimal point to the right by the number of zeros.

• Move the decimal point to the left by the number of zeros.

• Multiply the number by 10, 100, or 1000.

• Add zeros to the end of the number.