KS2 Primary Maths Age 13-17 - Calculations: Multiplying and Dividing with Decimals - Explained

The video tutorial explains how to handle multiplication and division by powers of ten. When multiplying by 10, 100, or 1000, digits move to the left. Conversely, when dividing by these powers, digits move to the right. An example is provided where 9 is divided by 100, illustrating the movement of the decimal point to achieve the final answer of 0.009.

When multiplying a number by 1000, how many places do the digits move?

• One place to the left

• Two places to the left

• Four places to the left

• Three places to the left

What happens to the digits of a number when it is divided by 100?

• They move two places to the right

• They move one place to the left

• They move two places to the left

• They move one place to the right

How many decimal places do you move when dividing by 100?

• One place to the right

• One place to the left

• Two places to the left

• Two places to the right

What is the result of dividing 9 by 100?

• 0.009

• 9.0

• 0.9

• 0.09

In the example of dividing 9 by 100, how many places does the digit 9 move?

• One place to the right

• Two places to the right

• One place to the left

• Two places to the left