“ sorry, out of order ”

A Facebook friend of mine posted this problem for folks to solve: 90 – 100 ( 6 + 3 ) = ? Answers included 0, -90, 810 and -810. The correct answer is -810. Some of you are sniggering at the errors — quit that!  Now, if you didn’t get -810, hang on … Why do people […]
Source: Andrea's Buzzing About: - Category: Disability Authors: Tags: Attribution Errors College/University Learning Disabilities Mathematics And Statistics Teaching/Tutoring Source Type: blogs