

Or it was some random teacher
Yeah, maybe. My Year 7 students, who have come fresh to me from Year 6, use BEDMAS, and I teach BEDMAS for consistency (I also think itβs a better acronym anyway - think of a massive 4-poster bed to ingrain the idea of BED-MAS)β¦



What do you mean? I replied to itβ¦
Where you, yet again, ignored that I told you what you said is wrong, as per Maths textbooks


Go tell Berkeley I did that
What for? They donβt care if youβre Mathematically illiterate


I know. I was clowning
Ok, fair enough. Some people seriously believe completely wrong things. A smiley goes a long way to showing intent


Tell them, not me
Youβre the one commenting without reading Maths textbooks


I cannot stress this enough. If you have a problem with that, contact the author or Berkeley, not me
I cannot stress this enough - look in Maths textbooks, not random University blogs π


Take it up with Berkeley
Says person refusing to look in Maths textbooks π


Here is a distributive law lesson for grade 4
Thatβs the Distributive Property actually. The dead giveaway is the multiply sign, as in βThe Distributive Property of Multiplication over Additionβ. Thereβs no Multiply sign in The Distributive Law, a(b+c)=(ab+ac)
Hereβs another, and another.
Also The Distributive Property. βThe distributive law says that multiplying a number by a group of numbers added together is the same as doing each multiplication separatelyβ - no, the Distributive Property says that.
These were the first results
Welcome to the problem with using the internet and not looking at Maths textbooks
It being used in an algebra course doesnβt mean itβs in the domain of algebra
It being taught in Algebra most certainly does mean itβs in the domain of Algebra
Algebra is also used in calculus, but algebra isnβt the domain of calculus, correct?
Itβs all Algebra. You canβt do Calculus if you havenβt learnt Algebra yet, just like you canβ do a(b+c) if you havenβt learnt Algebra yet.
Itβs algebra when itβs using variables
and the rules of Algebra, like a(b+c)=(ab+ac). Arithmetic doesnβt have any rules that arenβt in Algebra, but Algebra does have rules which arenβt in Arithmetic.
and youβre solving for an equation
I can solve 1+1= without using Algebra
2(3+4) is arithmetic
Nope, itβs Algebra
2(x+4)=0 is algebra
Yep, now substitute x=3 in 2(x+4) and tell me what you get π
the application of the operations of addition, subtraction, multiplication, and division to them
Yep. Notice how Distribution was not mentioned?? π
and formal manipulations
Yep, such as a(b+c)=(ab+ac)
rather than specific numbers
Soooo, a+b is Algebra, but 2a+3b+4 isnβt Algebra, because it has specific numbers in it?? π
Note: Algebra includes the use of arithmetic
Yep, it sure does.
t being used in algebra does not mean it is part of algebra
NOT being used in Arithmetic means itβs not part of Arithmetic. π You know weβve only had Brackets in Maths for 300 years, and that Arithmetic is much older than that, right?


Take it up with Berkeley then
What for? Youβre only the second person ever to have quoted him. Youβre not the first person to refuse to look in Maths textbooks though π


Sorry, your realm does not extend into English
Sorry, it most definitely does when it comes to how English is used in Maths
Itβs tangential to mathematics, but it isnβt mathematics
The way we say Mathematical things is 100% Maths
Thereβs absolutely nothing you can improve on?
I can improve some badly written textbooks. Probably every Maths teacher can.

Has a teacher ever been wrong (or just uninformed) about a topic in a subject they teach?
Yes, ones who havenβt looked in the textbook which seems to be the case with a lot of unqualified U.S. Maths teachers
Does every English teacher know the content of every book?
Probably the content of every book they teach π
No one knows everything about a subject
Teachers do. It comes from teaching the same thing year after year after year
Anyway, this isnβt your subject!
Yes it is! π
This is English, not math
Itβs Mathematical English
Do you see any formulas, proofs, or equations in these comments?
Do you see words in Maths textbooks? And the definitions of them? π
What donβt you get?
Why you keep insisting that Maths textbooks are wrong
It being in an algebra textbook does not limit it to the realm of algebra
And NOT being in any arithmetic book means itβs not part of Arithmetic π
Numbers are in that textbook too
Yep, both Arithmetic and Algebra, as opposed to a(b+c) which is only in Algebra books.
If Iβm wrong, Iβd love to see the citation
Says person who canβt cite any Arithmetic books itβs in π
Anyway, unless you provide that proof at the end there
Already gave it in the previous postβ¦ which you didnβt look at π


You already said that to me
And youβre still ignoring it


Youβre not listening to me
Says person refusing to look in Maths textbooks π


Iβm a software developer
So am I
adding extra parenthesis often adds clarity
Everyone Iβve seen add Brackets to it has done so in the WRONG place and given WRONG answers. Again this is an issue of programmers not checking the rules of Maths

that do not apply to what Iβm talking about
The rules of Maths always apply to all Maths


I already said he was wrong about that. Quoting him saying it doesnβt change that heβs wrong about it


So if I see something like β5-(2+4)β I will just remove the subtraction operator and call it a day
Nope. Never said anything of the sort.
Smartman on the internet said so
No I didnβt, but nice try at a strawman π
not everyone on the internet is a native english speaker. Everyone but you knew what was meant.
There is no such thing as βimplied multiplicationβ in any language. They are called Terms/Products in whatever language that book is using.


Do you think youβre above them?
You know weβre talking about Year 7 Maths, right? π
Elementary school teaches you the fundamentals to your future education
but NOT The Distributive Law, which is taught in high school, in Algebra
I didnβt say you were wrong about math
You said βI donβt think youβre rightβ, and followed it up with βIll informedβ, to a Maths teacher.
I said you were wrong about English that is used in relation to math
And you were wrong about that too
Clearly this isnβt a strong suit of yours
What you mean is you clearly canβt rebut any of it
However, stop acting like you know everything
I know everything about high school Maths - I teach it
you clearly donβt
There you go again calling a Maths teacher wrong about Maths π
Youβre using some very strange logic to argue youβre right
You think Maths textbooks use very strange logic??
it doesnβt make any sense
read this then. Contains Maths textbooks


Youβre very rude
What do you expect to happen when you call a Maths teacher wrong about Maths?
Ill informed
Maths teachers are ill informed about Maths?? π
Elementary means fundamental or basic
Which therefore contradicts your argument about it being part of Arithmetic, which is taught in elementary school, Algebra isnβt


Adults who have forgotten the rules who I work with and read/write code where itβs important
And as a consequence of that, MathGPT is the only e-calc which gives correct answers to order of operations! π
This is like some pure maths vs real life engineering clichΓ©
Itβs a Correct Maths vs. Programmers who have forgotten the rules cliche
Youβre either being deliberately obtuse or youβre painfully naive
Neither, Iβm a Maths teacher


I donβt think youβre right
You donβt think Maths textbooks are right??
The wiki page
is full of disinformation. Note that they literally never cite any Maths textbooks
as an example of βelementary arithmetic.β
And whichever Joe Blow My Next Door Neighbour wrote that is wrong
as an example in βelementary algebra.β
Algebra isnβt taught until high school
That implies that yes, this is arithmetic,
No, anything with a(b+c) is Algebra, taught in Year 7
the introduction of variables is what makes it algebra
and the rules of Algebra, which includes a(b+c)=(ab+ac). There is no such rule in Arithmetic.
It doesnβt matter what course finally teaches it to you
It does if youβre going to argue over whether itβs Arithmetic or Algebra.
not by definition part of that domain
The Distributive Law is 100% part of Algebra. Itβs one of the very first things taught (right after pronumerals and substitution).
Itβs been ages since I took it
I teach it. We teach it to Year 7, at the start of Algebra
Has anyone tried TextTransform with a Button on Android? I originally tried all sorts of things to get my Android buttons to be lower-case, and nothing worked, it was always all-caps regardless of the original case, because βMaterial design on Androidβ, π and I ended up giving up on it. Would love to try this out but Iβve recently reinstalled and havenβt finished yet, so I havenβt got anything ready to go to try it out and see if it works with Android Buttons.