What is 5 + 3 * 0?

[barleycorn 10]

Why do you insist on using examples listed under Order of Operations, that implies the use of BODMAS.

 

The examples do not have brackets. If, as you insist, brackets must be used to imply BODMAS then why aren't they being used?

What else so you think a web page designed to instruct you on the order in which mathematical operations are to be carried out should be called?

 

jb

[splodgeyAl 10]

So because the brackets aren't in place, do you assume that the programme ignores the rules?

The question is what is the sum of ...., thats what i typed, it placed it brackets and followed the rules exactly as it should.

 

You're examples state clearly they are following bodmas principles.

SUM() in excel is used to add the values contained in a range of cells. And his examples follow BODMAS because maths follows BODMAS

[willman 10]

You assume that, because the program didn't give you the answer you expected, that it is ignoring the rules?

 

Thick, arrogant or trolling... which one?

 

It gave the correct answer 5 - it uses BODMAS operations so 5 should be the answer.

[max 13]

It gave the correct answer 5 - it uses BODMAS operations so 5 should be the answer.

 

What other operations are there?

[willman 10]

No, only one answer is correct given your original question:

 

What is 1.05 + 3.50 * 6 = 22.05

 

The marvellous thing about mathematics is that it is constant, there are no choices only confusion.

 

But the 3 options given were all quite correct because they were all different sums.

[nickycheese 10]

Using a formula in excel places brackets around the sum,making it follow BODMAS.

 

Sorry, but no it doesn't:

Edited October 10, 2016 by nickycheese

[splodgeyAl 10]

You're quite correct in everyway,but each one is a different sum so 3 different answers are likely.

Yes, but which one of them answers the question "Six people buy a coffee and a bun. A coffee is £3.50 and a bun £1.05. How much do they pay in total"

[max 13]

But the 3 options given were all quite correct because they were all different sums.

 

Yes, but you moved the goalpost from your original question: Original question

[dosxuk 10]

Willman - any chance of you answering my question from earlier?

 

3 + 2² = ?

[Deltic 10]

According to willman if the operator (in his examples so far brackets) isn't in a sum, then BODMAS doesn't apply.

So what about this:

5+(3*0) doesn't have any indices, so does that mean we can ignore the brackets and get the (obviously wrong) answer of 0.

The result of applying willmans reasoning is the BODMAN doesn't apply unless all all operators are present.

 

Unless he is a bracketist of course

[barleycorn 10]

Just to further stir up the troubled waters, it appears that this confusion carries over into current 11 plus exams..

http://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?t=15371

 

"I queried this with HarperCollins who stated that:

 

"These questions follow the format used on the actual Nfer tests. That is, the pupil is expected to work from left to right performing each operation in sequence, rather than following the mathematical rules concerning order of operations."

 

They confirmed that their practice paper is done to match the way NFER set the paper."

 

 

 

 

It is worth reading the first few posts.

 

It is worth reading through to the second page where NFER themselves respond to the issue...

Pupils should apply the BODMAS rule in questions that are of the style

'If A=..., B=..., C=..., etc, What is the answer to: A*B - C/D = ?'

 

The NFER does not expect such equations to be evaluated left to right (e.g. ((A*B) - C) / D).

 

So BODMAS applies even when there are no brackets. glad we've sorted that one out.

 

jb

[willman 10]

Willman - any chance of you answering my question from earlier?

 

3 + 2² = ?

 

If i was using it i'd go for 7.

If you wanted to square the whole thing it would need brackets around the 3+2.