Hi WhyamIhere:
dyslexics can be very visual (so can remember pictorial detail better than letters/ numbers). Certainly flashcard systems rarely work for dyslexics. (I say this as a spouse of a dyslexic and with a M-I-L who was trained through Barts Hospital to work with dyslexics and has written extensively on the subject). The other thing - maddening to friends/ family/ partners - is dyslexics tend to have no short-term memory.
My advice is try learning times tables through video games. It's visual, playing games over several weeks will feed things into the long-term memory. I would strongly recommend Timez Attack - just because it's free, but also because it shows multiple additions as well as traditional vertical multiplication problems. I can't guarantee it will work but the link is here: www.bigbrainz.com/
Thing number 2 - dyslexics do respond well to patterns/ tricks.
I'm not sure where you are at - but counting by 2s (so even numbers) can be reinforced with house numbers, etc.... underlies learning x2 table.
Schools rarely formerly teach x1 and x0 - so it's worth reviewing that anything x 0 = 0. 1,999,999,998 x 0 = 0 and anything x 1 is = 1 (I was taught to think of 1 as a mirror).
If you DC knows x2, x5 & x10 there a long way there really.
x3 can be done from 3 x 1 to 3 x 10 by simply using your hands as a calculator. so look down on her hands (palms down). You'll see that each finger has three knuckles and that with the thumb if you take the joint with the palm and the two nuckles there's three points to count. That means that you can simply work out any number to 10 x 3 and count up knuckles.
4 x 3 - hold up 4 fingers and count.
Once you have x3 times table learned then it gets easy.
x4 - just double x2 times table facts.
x6 - just double x3 times table facts.
x8 - double and double again x2 times table facts.
x12 - double and double again x3 times table facts (or just double x6 times table facts).
x9 has a pattern & trick:
1 x 9 = 09
2 x 9 = 18
3 x 9 = 27
4 x 9 = 36
....and so on
to 10 x 9 = 90
You'll see that the first number (the tens digit) is always one less than what you are multiplying 9 by.
The trick is that any product in the nines times table has individual digits that always add up to 9.
3 x 9 = 27 and 2 + 7 = 27.
So if you remember the one less start and that number plus ? = 9 - you can get the answer
so 7 x 9 - one less than 7 is 6 (so it starts with 6 in the tens column) and what + 6 = 9 - well 3 - so 3 in the units column - so 7 x 9 = 63.
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so that means you know 0,1,2,3,4,5,6,8,9,10 and 12.
That leaves 7 and 11.
11 is just fun.
first there is the pattern to 99
1 x 11 = 11
2 x 11 = 22
3 x 11 = 33
4 x 11 = 44
and so on to
9 x 11 = 99
then once you are at 10 or over x 11 there's a trick.
Separate the first and second digit of the number you're multiplying 11 by and then add them together and put that total in the middle.
So 13 x 11 = 1 - (1+3) - 3 = 143
It can get tricky if you have to carry - but just think it through:
48 x 11 = 4 - (4 + 8) - 8 = 4 - (12) - 8 (so we have to carry the 1)
so that's (4+1) - 2 - 8 or 528.
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gosh that just leaves 7.
well since we know 7 x 0 to 7 x 6 and we know 7 x 8 to 7 x 12 - that just leaves 7 x 7 = 49. You just have to learn it but it does help that 49 rhymes with swine.
I can't guarantee this but I think if you avoid pure memorisation (which really doesn't work for dyslexics) and focus on patterns/ tricks and encourage extra game play gradually, bit by bit, your DC will learn this. And the games will help build long term memory skills which will make the recall of these number facts easier and the tricks will help build frameworks of solving skills when caught on the spot.
HTH