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 Post subject: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 10:17 am

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8546
I've noticed that year 4 DD's multiplication facts are fading - they were fast in year 3 but seem to be going rusty.

I've done one of those multiplication squares that people on here talk about - an 11 by 11 grid with borders. Along the top border and left hand border I've listed the numbers 2 to 12 in random order.

She has to complete the multiplication fact in each square - so all the facts from 2x 2 to 12 x 12 will be practised in random order.

What do you think would be a good kind of time for this - the sort of minimum speed you'd need for your tables not to hold you up unnecessarily when doing calculator free 11plus and SAT paper etc.

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 12:09 pm

Joined: Thu Oct 18, 2012 9:41 am
Posts: 444
at a guess about 30 minutes about 15 seconds each, interested to know other opinions.

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 1:02 pm

Joined: Tue Oct 04, 2011 8:44 am
Posts: 1498
I think that would be too slow - I would hope DD would be more like a couple of seconds each with some instant and some a bit slower. 15 secs is a long time. I am sure there have been threads on here in the past about doing 100 squares in 5 or 6 mins.

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 1:03 pm

Joined: Sun Sep 09, 2012 6:32 pm
Posts: 291
DS did these at school. They set him targets for time and it got to be a ridiculous speed writing test as far as I could see. So I don't actually have a useful answer to give you and should have just kept quiet.
My DD is in year 3 now, and she's still not 100% reliable. If your DD is, then I would just do some of those squares and set her challenges to imp,rove her time by x seconds. I'm sure it will come to a naturally sensible speed with practice.

_________________
The more that you read, the more things you will know.
The more that you learn, the more places you'll go.
Dr Seuss

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 3:18 pm

Joined: Tue Sep 01, 2009 3:38 pm
Posts: 2083
Location: Maidstone
Around that age my DD used to get 20 to complete in 2 minutes at school. If they didn't get 18 right in the 2 mins they didn't move to the next level the following week.

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Impossible is Nothing.

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 5:01 pm

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8546
Ah thank you. I should be aiming then for about 13 minutes minimum, and then speeding up from there. Thing is it takes a little time just physically to see which two numbers you are on the intersection of, and write two digits down. Maybe answering questions on a worksheet would be better.

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 7:14 pm

Joined: Mon Jun 18, 2007 2:32 pm
Posts: 7140
Location: East Kent
would say instant recall, like a knee jerk reaction.

try
http://www.sheppardsoftware.com/mathgam ... cation.htm (fast version)

to build up speed..

he who hesitates is lost! ( or gets his spaceship blown up)

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 7:21 pm

Joined: Sun Sep 09, 2012 6:32 pm
Posts: 291
I think getting used to that style of grid helps your speed for doing the grids. The overall aim is for instant recall though. When DS does it he picks a line and works accross it. So if there is a 3, he just works accross as if it is a jumbled 3x table test. Then the next row might be 8 and he works across that.

Spaceships sound more fun.

_________________
The more that you read, the more things you will know.
The more that you learn, the more places you'll go.
Dr Seuss

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 7:23 pm

Joined: Mon Jun 18, 2007 2:32 pm
Posts: 7140
Location: East Kent
Quote:
Spaceships sound more fun.

have a go , it's strangely addictive!!

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 Post subject: Re: Multiplication facts - how fast?????Posted: Wed Nov 07, 2012 7:25 pm

Joined: Sun Sep 09, 2012 6:32 pm
Posts: 291
I just have. And I should be putting a poorly 4 year old to bed. Why have I got more addicted to this place now that the 11+ is over and done with? You are all a bad influence.

_________________
The more that you read, the more things you will know.
The more that you learn, the more places you'll go.
Dr Seuss

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