Mandy Jane's Corner

SteveB · 2013-03-19 04:30:53

Right. I kinow what you mean by that and you may well have put the right number at the top, but
it is a good idea to try to avoid putting something like " 9 x 9 = 1 " because although it is indeed 1
that we are trying to get here strictly speaking 9 x 9 is 81.

You can probably see that the answer at the top becomes: 0 8 3 1 so the answer is 831.

Shall we try a multiplication for a change how about 683 x 6 ?

First of all how should we lay out this multiplication ?

mandy jane · 2013-03-19 04:35:04

i have to nipm out to the shops so will send it later tonight around 7.00pm ok?

SteveB · 2013-03-19 04:37:11

Okay. I have made a few notes on some multiplication for you to try they are:

683 x 6 ?

781 x 3 ?

687 x 7 ?

See you at 7pm, I might be a little late for that but not by much. Bye

SteveB · 2013-03-19 06:53:44

Actually just to correct that last bit I am early. So ready when you are.

mandy jane · 2013-03-19 07:16:21

Hi steveb mandy here just a quick message to say iam sorry but have to go out so can't be on here. Tonight but will be inherent tomorrow at 2.00pm. Ok will do the times sums you lecture me ok? If you want to send me an email with some work to do you can ok?

mandy jane · 2013-03-19 22:48:15

Hi bob bundy mandy here just wondering how you think I am doing with my maths? Send me a message back please?

mandy jane · 2013-03-20 00:56:09

Hi mandy here dose anyone know anyone called bobmill or not if so let me know please? Like now please?

bobbym · 2013-03-20 01:04:40

Yes, I know bob mill. Do you know him?

mandy jane · 2013-03-20 01:07:34

Now I didn't know him just wondered why him name came up on computer then? If he wants to take to me that is fine with me? Send message back now please?

bobbym · 2013-03-20 01:12:06

He is gone and not likely to come back.

mandy jane · 2013-03-20 01:17:38

Ok bobbym thanks for that

bobbym · 2013-03-20 01:18:36

Pardon me for asking but did he talk to you?

mandy jane · 2013-03-20 02:19:04

Nohe did not just the name came up on the computer ok? Why do you ask? Just wanted ok?

bobbym · 2013-03-20 02:20:34

I wanted to know if he was bothering you.

mandy jane · 2013-03-20 02:23:43

Is he bad news then? If so if he comes on here again I will not talk to him ok? Send me message back now please?

bobbym · 2013-03-20 02:27:18

He might sneak in. He is a spammer. Do not worry about him,.

mandy jane · 2013-03-20 02:34:10

Hi steveb mandy here i have done the sums you left me ok?

2 3
2 7
_____
1 5 1
4 6 0
_____
6 1 1
_____

3 6
3 4
______
1 4 4
1 0 8 0
______
1 2 2 4
______

1 6 7
2 5 4
______
6 6 8
8 3 5 0
3 3 4 0 0
_________
4 2 4 1 8
________

Sorry I. Took so long are these right?

SteveB · 2013-03-20 02:49:07

mandy jane wrote:

Hi steveb mandy here i have done the sums you left me ok?
2 3
2 7
_____
1 5 1
4 6 0
_____
6 1 1
_____
That one is wrong, but it is not too far out. You have I think made a minor error with either
the carry of 3 x 7 = 21 and carried a "1" instead of "2". Or maybe you accidentally put in
7 x 2 as 13 rather than 14. The number at the top in the middle bit you have put as " 1 5 1 ".
What did you carry at each stage in this bit ? Do you want to try that bit of it again ?
3 6
3 4
______
1 4 4
1 0 8 0
______
1 2 2 4
______
Very good. That is correct.
1 6 7
2 5 4
______
6 6 8
8 3 5 0
3 3 4 0 0
_________
4 2 4 1 8
________
Very good again, although you have written them a bit out of alignment on the screen you
have got all of the middle bits correct and added them correctly.
So you may wish to just look at the first one and see the mistake you made in the first middle number.

mandy jane · 2013-03-20 02:59:37

2 3
2 7
______
1 6 1
4 6 0
______
6 1 1
______

Am I right now?

SteveB · 2013-03-20 03:03:48

The " 1 6 1 " bit is now correct. Well done.

Now because the answer depends upon this bit being correct you should really redo the addition.

In other words what effect does this have on the final answer ?

mandy jane · 2013-03-20 03:06:45

The answer is 621 is that right?

SteveB · 2013-03-20 03:08:08

Yes well done. Now what topic do you want to do ?

Multiplication ? Division ? Or the next topic ? (If so which one ?)

mandy jane · 2013-03-20 03:13:37

Could we do the next topic and then come back to multiplication and division please?

SteveB · 2013-03-20 03:14:59

Right now according to what I have read on something you wrote to me about earlier your next topic
is "Factors and Multiples". Is that the one that you consider to be next. Or is there something else ?

mandy jane · 2013-03-20 03:21:14

the next one i would like to do is percentages please if that is ok with you?

Math Is Fun Forum

#651 2013-03-19 04:30:53

Re: Mandy Jane's Corner

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