You can divide any number by 5 in 2 seconds or less using this a math trick. See what trick we use with the following 3 examples
Example #1
Divide 8 by 5
Step 1
Multiply 8 by 2
8 × 2 = 16 = 16.0
Step 2
Move the decimal point one place to the left. In other words put the decimal point between 1 and 6.
1.60
8/5 = 1.6
Example #2
Divide 41 by 5
Step 1
Multiply 41 by 2
41 × 2 = 82 = 82.0
Step 2
Move the decimal point one place to the left. In other words put the decimal point between 8 and 2.
8.20
41/5 = 8.2
Example #3
Divide 233 by 5
Step 1
Multiply 233 by 2
233 × 2 = 466 = 466.0
Step 2
Move the decimal point one place to the left. In other words put the decimal point between 6 and 6.
46.60
233/5 = 46.6