Order of operations quiz for students online. This test teaches students how to solve math problems having the notion of PEMDAS or BODMAS in mind. When solving equations that have several operations at once, each segment of the operation has to be solved at the right time else the final answer will not be correct. Hence in such situations, solve parentheses first, then exponents, multiplication, division, addition and subtraction; in that order. This algebra exercise is for students in 4th, 5th, 6th and 7th grades.