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DD and I don't understand her Y6 maths homework. Can you help?

20 replies

Spidermama · 22/09/2009 19:04

It says:

Write down the multiples of the following pairs of numbers.

a) 6 and 2

etc.

Do they mean 3 because 3 x 2 is 6? Or what?

Thanks.

OP posts:
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TheBalladofGayTony · 22/09/2009 19:06

here

mmrsceptic · 22/09/2009 19:08

the multiple is the product of the numbers I think

I think they just mean 12

technically, to write down the multiples of six would be every number to infinity that six can be multiplied to and likewise with two

alternatively if they want the highest common multiple then the answer for that question would be 6

could they be after highest common multiple? is it part of fraction and factor work?

PortAndLemon · 22/09/2009 19:08

I think it's looking for something like

The multiples of 6 are 6, 12, 18...

The multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18...

Their common multiples are 6, 12, 18...

PortAndLemon · 22/09/2009 19:09

Isn't 6 the lowest common multiple?

Spidermama · 22/09/2009 19:10

Thanks GayT BUT it literally says

a) 6 and 2 (with a small line for the answer)
b) 7 and 9
c) 20 and 2

As they don't give any limit on the multiples they want her to write, I'm still unsure as to what they want.

OP posts:
nappyzonecantrunfortoffee · 22/09/2009 19:10

i would have said 6= 1,2,3, 6 and 2=1,2

mmrsceptic · 22/09/2009 19:11

lol port you are right, but it was a slip HONEST

and i've just tutored LCF and HCM

mmrsceptic · 22/09/2009 19:11

ha HCF and LCM

what's the point, am dullard

mmrsceptic · 22/09/2009 19:12

i think they want the product

TheBalladofGayTony · 22/09/2009 19:13

it is a weird question.

PortAndLemon · 22/09/2009 19:13

If there's only space for one number as an answer I would probably assume they want the lowest common multiple.

So

a) 6 and 2 : 6
b) 7 and 9 : 63
c) 20 and 2 : 20

but it's not well phrased, whatever they are after

TheBalladofGayTony · 22/09/2009 19:14

i agree lowest common multiple

LadyOfTheFlowers · 22/09/2009 19:15

I thought the multiple of a number was another number that goes exactly into it iyswim?
So 6 could be 2,3 or 6.

But then I wouldn't have a clue what the answer to b) is.

I got a C in GCSE maths only 10 yrs ago - How bad is that?! lol

LadyOfTheFlowers · 22/09/2009 19:16

And I am totally WRONG!!

Ah well......

PortAndLemon · 22/09/2009 19:17

No, those are factors. Effectively asking for the lowest common multiple of numbers x and y is the same as asking for the lowest number that has both x and y as factors.

TheBalladofGayTony · 22/09/2009 19:17

i don't think we are helping, maybe you should go and ask the on the 'academic parents' thread

mmrsceptic · 22/09/2009 19:18

that's a factor lady

i just googled that entire question and nothing came up so it's definitely an odd one

Spidermama · 22/09/2009 19:18

I'm glad it's not just me!

OP posts:
yellowvan · 22/09/2009 19:40

I'd have said 12 and 24 and 36 and 48 etcbecause tghey are multiples of 2 AND 6. I think they want her to notice that these numbers are answers in the xtables of both numbers (in the 2x AND in the 6X) hth

LadyOfTheFlowers · 22/09/2009 22:12

Ah factors.... yes. Vaguely remember. Oh well, twas the thought..... lol

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