What even is American Grade 1 Maths?

[BallistixOnZ490]

Official method:

'Make Ten Strategy For Addition

Step 1: The first addend and what make ten?
Step 2: Write the number below the second addend
Step 3: The number below the second addend and what make the second addend?
Step 4: Add the rest to 10'

https://www.onlinemathlearning.com/make-ten-addition.html

The **** is an 'addend'???

 

[BallistixOnZ490]

It seems a very cropped picture from a series of questions.

It's just trying to teach kids to make 10s to make it easier.

The answer is 8+2+7 for what's written.

So you have 8 take 2 from your 9 to make 10 (they should have used like 6 or 5 not 9) then you can just add on whatever is left of your 9.


The **** is an 'addend'???

^ any number you're doing to add up

Substituting '8+9' to '10+7' is literally just common sense? Why overcomplicate it so much?

You make the first number a 10 by subtracting from the second number, then add them to get your total.

Why its easier, I dont know, but apparently its how they teach kids nowdays.

Probably why most people younger than me cant even do basic mental multiplication/division let alone percentages.


(Example from yesterday actually, person couldnt understand that the VAT paid on something at £100 is £20 but adding the VAT onto something that costs £80 doesnt bring the price to £100 )

I don't see how its easier than explaining that 8+9 is the same as 10+7?

 

[BallistixOnZ490]

This is made for 5 year olds, some of which will struggle with the concept at first

This will only make them struggle with it more.

 

[BallistixOnZ490]

Cause they're 6....common sense for them still includes licking things they find on the ground.


You were more than likely taught the same way, make up a ten to make it easier.

That's why you see it as "common sense" you know the method but have no memory of being taught it.



Because you were 6 and too busy being inexplicably sticky

Actually no we were simply taught it as rounding up.

The whole terminology and everything they are using can only make it harder for kids to understand this.

Also as per the picture, no parent that was taught 'rounding up / down' will even understand what this is when their kids need help with it.

 

[BallistixOnZ490]

What terminology?

The basic maths term you a gown adult didn't know?



Just because that image is sooooooooo badly cropped and miss leading for the exercise it may as well have come from the daily mail.


This isn't your photo is it?

'Addend' and 'Make 10 to solve' were never part of any of my maths curriculum during the 90s. These are not universal mathematical terms and I do not believe this is taught in the UK even today.

 

[BallistixOnZ490]

Can someone actually explain this in English please.

8+9 = 17

8+2 = 10, 10+7 = 17 is what its trying to teach.

Somehow all the extra words, steps, diagrams and BS is meant to make this easier for todays 5 year olds to understand?

 

[BallistixOnZ490]

Rounding is a totally different thing though.

That's an actual separate operation.

You'd confuse kids telling them this is rounding when there's no rounding happening .


(Roubded like your phrasing the answer would be 20)

No, if you're given 8+9 to solve, you simply round 8 to 10 and subtract the difference from the 9 to get 10+7.

This is universally how this is taught to make mental addition easier.

Or the other way as Kindai does it. This is simple and easier to explain to 5 year olds than whatever the stuff in the OP is meant to be.

 

[BallistixOnZ490]

The missus is maths lead at her primary and she says differently.

And this is why kids leave school lacking basic numeracy and literacy skills.

They were absolutely part of mine during the 90s?

I don't believe you.

 

[BallistixOnZ490]

I am a maths teacher and yes this is taught. It is the same as your method, just worded differently and is very effective

Effective at making kids dumber that is.

We were simply given sheets of 20 or so sums to solve almost every day, worked much better.

 

[BallistixOnZ490]

OK no problem

36+75

87+698

365+12

Just as the bigger numbers will make it less instant light bulb

40+80 = 120.

- 4 = 116

- 5 = 111.

Do the same for the rest e.g. 90+700.

This absolutely is what you call rounding up, you just subtract what you rounded to after.

If the last digit in the number is under 5 then do the opposite with rounding down.

This isnt difficult, and the method in the OP makes it harder.

 

[BallistixOnZ490]

For 7+8 I would go

2x8 -1

If maths gets too hard I pick up a calculator.

This too, so 6+7 becomes (6x2) + 1.

 

[BallistixOnZ490]

I just enjoy the look of confusion when presenting the correct coinage at the checkout using silver copper and notes.

On this note I had a mental case once that underpaid me by a bit over £2, and didn't understand 'The total bill is £35.xx, you've only given me £33' and he proceeded to have a mental fruitcake strop every time I explained it.

The lady behind him had to intervene, take a £2 coin out of his hand and give it to me, and told him 'Don't worry, you need to give him this and he will give you change'.

 

[BallistixOnZ490]

Exactly!
This is just teaching that skill to someone who has no concept of it.

These methods are like tools in your tool box, you could have a hand drill 75+1+1+1+1+1+1....
Or a power tool 31+ 80 +(11+100)

Its teaching the skill in a far more complex manner than it needs to be making something extremely simple far more difficult to understand.

I remember one of my maths teachers simply said 'Multiplying by 5 is easy, everyone can multiply by 5 in their heads', and then went around the class asking. He pocked me and gave me something such as '5x36'. I had absolutely no clue. He threw his pen at the board over how dumb I was.

It then sank in over the next 10 minutes that all I needed to do is (36x10) / 2, too late as everyone in the class already thought I was an idiot. Everyone else in the class could already do it, just not me.

It will be met with endless "but where did the 4 come from!!!?!?!"

Any kid that couldn't understand that is also not going to understand making 10s and addend.

 

[BallistixOnZ490]

i guess it's just the way it's worded, if you'd been taught to understand that's what the wording wants you to do then it's not too big a deal.

As per the parents comment on the picture, this is exactly the problem. Kids bring these things home and don't have a clue what it means, and their teachers tell them to ask their parents if they don't understand it, except the parents also have no clue either.

If its meant to be so easy for 5 year olds to understand this, then why are they needing to ask their parents, most of whom were never taught this, for help?

 

[BallistixOnZ490]

They knew even way back then

Don't why I was in the top class for maths and sciences then. Teachers don't even bother teaching the actual method and expect everyone to automatically know how to do it, or again rather than teaching the correct simplest method, make it 10x more harder than it needs to be.

 

[BallistixOnZ490]

Should have focused a bit more during English though

I did. The question in the OP is not using any English terms that were taught throughout my education.

Why would English classes be teaching 'Making 10 from an addend'?

99% of the people on this forum can't even correctly use 've or have.

 

[BallistixOnZ490]

I think part of the problem is the OP assumes that's the language being used to teach. It's not, it'll be far more simplistic. It's a weirdly written set of instructions.

From a UK site:


It's an extension of the 'number bonds' principle, having drilled into kids what numbers make 10 or 20 or other 'round numbers' etc.

Edit
BBC Bitesize has a simplistic explanation too.
https://www.bbc.co.uk/bitesize/articles/zb8gcqt

But multiple people in this thread have confirmed that the language in the OP is whats being used to teach kids, and I'm the idiot for not knowing those terms.

 

[BallistixOnZ490]

The term "addend" probably isn't used much in the classroom, that advice is for teachers as addend is technically the proper term. The techique is taught in classrooms.

I agree the question you posted is not very well worded.

Everyone here saying they are or know maths teachers have confirmed that what I put in the OP is what is taught in the classroom, and that I am incorrect for thinking it was a US only thing.

Maybe these teachers are exactly what the problem is, this literally still looks like 'pseudo' maths to me.

Or all the modern woke 'Maths is for everyone! 2+2 can be 5 if you want it to be!' type of crap.

 

[BallistixOnZ490]

Also I found a message from the actual 'dad' in that pic:

Not sure where op got this image but that actually might be me who is dad here shortly before pulling my kids out of public school and home schooling. I definitely wrote something very similar on my kids similar math homework and that looks close to my writing. **** common core. The government has outsourced our kids educations to corporations.

You said you do the same thing but call it rounding. How is that not pseudo maths?

Literally everyone in this thread does the same thing, so that's a sure sign it isn't pseudo maths.

Making an 8 to a 10 is what you call rounding. That is pretty much a fact. The only thing is you seem to lack braincells to understand the part where you also add or subtract the difference that you rounded to after.

 

[BallistixOnZ490]

There's two people, one of which is me, saying that the method is indeed used. You are winding yourself up about wording. I'm not sure what problem you are referring to regardless, literacy and numeracy is slowly improving over time in the UK and this trend has been consistent for years. It's slow but it's not because of 5 year olds struggling with this addition method

Not sure how wokeness ties into basic numeracy either

No actually, most employers today are saying that kids leaving schools are lacking literacy and numeracy skills.

All that what you said shows is that the pass requirements have declined to idiot levels.