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 Post subject: Help with GL Pack Two - Test 7Posted: Mon Aug 06, 2012 7:27 pm

Joined: Sun Jul 06, 2008 2:36 pm
Posts: 107
Hi

A little stuck with these two questions - any help much appreciated!

Both complete the sequence:

Q44. 12 10 9 9 10 [?]. (Ans. 12)

Q45. 10 11 11 10 8 [?]. (Ans. 5)

Thanks!

PD101

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 Post subject: Re: Help with GL Pack Two - Test 7Posted: Mon Aug 06, 2012 7:44 pm

Joined: Wed Mar 09, 2011 2:22 pm
Posts: 710
pixiedust101 wrote:
Hi

A little stuck with these two questions - any help much appreciated!

Both complete the sequence:

Q44. 12 10 9 9 10 [?]. (Ans. 12)

Q45. 10 11 11 10 8 [?]. (Ans. 5)

Thanks!

PD101

The first one is a mirror code-draw a mirror line between the two 9s and you'll see why it's 12.

The second one looks like +1 +0 -1-2-3 giving the answer 5.

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 Post subject: Re: Help with GL Pack Two - Test 7Posted: Mon Aug 06, 2012 8:46 pm

Joined: Sun Jul 06, 2008 2:36 pm
Posts: 107
Brilliant!

Thank you

PD101

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 Post subject: Re: Help with GL Pack Two - Test 7Posted: Mon Aug 06, 2012 10:30 pm

Joined: Wed Jan 11, 2006 7:10 pm
Posts: 8208
Location: Buckinghamshire
Manana wrote:
The first one is a mirror code-draw a mirror line between the two 9s and you'll see why it's 12.

The second one looks like +1 +0 -1-2-3 giving the answer 5.

Manana, you are perfectly correct on the second question, but I have to correct you on the first one. There are no mirror codes on these questions, and the answer to the first question works in exactly the same way as for the second one: -2, -1, -0, +1, +2, ... (and it would continue +3, +4, +5, etc).

Pixiedust, your child needs to learn that the sequences can go "through" zero, from positive to negative and vice-versa.

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 Post subject: Re: Help with GL Pack Two - Test 7Posted: Tue Aug 07, 2012 2:09 am

Joined: Sun Jul 06, 2008 2:36 pm
Posts: 107
Sally-Anne wrote:
Manana wrote:
The first one is a mirror code-draw a mirror line between the two 9s and you'll see why it's 12.

The second one looks like +1 +0 -1-2-3 giving the answer 5.

Manana, you are perfectly correct on the second question, but I have to correct you on the first one. There are no mirror codes on these questions, and the answer to the first question works in exactly the same way as for the second one: -2, -1, -0, +1, +2, ... (and it would continue +3, +4, +5, etc).

Pixiedust, your child needs to learn that the sequences can go "through" zero, from positive to negative and vice-versa.

Thanks for the advice Sally-Anne - I'll remind her that these are like "temperatures" and she'll know what I mean!

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