Grouping
Exponents
Multiplication and division
Subtraction and addition
The reason Multiplication and division are combined such as Subtraction and addition are together was to show they are on the same level of order as feeble second grade minds couldn't handle pemdas
Im from New Zealand, though i did school in London for 3 years. also New Zealand is a colonial country settled little over 200 years ago so there's still heaps of UK in our system
Sounds about right. Canada seem to do everything right. BIDMAS is so much simpler because you really can't miss anything, whereas shorter ones have the potential for the kids to forget certain ones that fall under categories such as "exponents". Big words can be confusing for kids, but BIDMAS is pretty easy because they're familiar with all the terms, maybe except for indices.
I was taught PEMDAS, but you're right that GEMS is a lot better.
If everyone learned it that way, it would mostly prevent the problem of grown ******* adults on the internet who argue that the answer to pic related in 2 because they weren't properly taught the grouping of multiplication and division, and addition and subtraction.
Either answer really isn't wrong. This question is wrong. There is a reason you don't write division like that. When written as in this problem it is impossible to know whether the fraction is 48/2 or if 2(9+3) is all within the denominator of the fraction. Either answer can technically be correct because the question is wrong in the first place. Write your damned fractions properly and we won't have these issues.
**messier used "*roll picture*"** **messier rolled image** That makes sense. The 2 was not in the parenthesis to begin with... so it doesn't make sense to put it in there without a reason.
But to be fair, the problem is written with deliberately poor form so as to cause confusion and arguments. Though 288 is still definitely the correct answer.
That's how i saw it since / means it's a fraction and the obelus means left to right, even though the dots in the obelus mean the stuff to the left is the numerator and the stuff to the right is the denominator. In our case, it should be the fraction 48/2 * 12
Actually, there is no official rule for the correct order of operations in that question, there are 2 correct answers. Source: I've asked two professors who both have doctorates in mathematical degrees.
I suppose, but I think that separating exponents is better for young kids because they already learned multiplication and division when they were younger, and exponents are the "new" thing to them.
you mean the "B" in BEDMAS means brackets. uncultured swine
Brackets, Exponents, Division and Multiplication, Addition and Subtraction people who think differently than me must mean they are wrong!
I live in Chicago, and in 2nd and 3rd grade we were mostly learning multiplication only
We didn't learn the order of operations until maybe 6th, and they continued to teach it to us like it was new all the way to 9th
Never send your children to inner city public schools in America, you learn stuff high school that you should have learned in elementary
yea cause 90% of all math teachers worldwide are incompetent idiots...
most people do not get basic math without excessive studying, but these people then go on to become teachers on something they can't really grasp. (often elementary school or middleschool teachers don't understand the conepts behind why the rules in math are the way they are but they are still allowed to teach in some countries...
it's equally correct to use parentheses for all or brackets for all, the only reason you were told that was for it to become cleaner and easier to read (but it's not strictly wrong).