Divide any 3-digit number by 99

You can divide any 3-digit number by 99 using this trick. What is the trick? Take a look at the examples below showing how to do this in 2 steps.

Example #1

621 ÷ 99 = ?

Step 1

The number in the hundreds place or 6 in this case is always part of the answer. Therefore, write 6 down and then put a decimal point next to it: 6.

Step 2

Add 6 to 21

21 + 6 = 27

Put a line on top of 27 and put everything next to 6.

621 ÷ 99 = 6.27

Example #2

482 ÷ 99 = ?

Step 1

The number in the hundreds place or 4 is part of the answer. Therefore, write 4 down and then put a decimal point next to it: 4.

Step 2

Add 4 to 82

82 + 4 = 86

Put a line on top of 86 and put everything next to 4.

482 ÷ 99 = 4.86