First you should round the numbers that you are multiplying so. 56 ---> 60 27---> 30 You know that 5 and higher you'll round up. 4 and below you'll round down.
First you have to round the numbers its self up: Remember: "5 or more raise the score, 4 or less let it rest" 56 estimation up 60 27 estimation up 30 Then you do the equation: 60 * 30 = 1800
