It is currently Tue Oct 16, 2018 12:43 pm

 All times are UTC

 Page 1 of 1 [ 7 posts ]
 Print view Previous topic | Next topic
Author Message
 Post subject: HelpPosted: Mon Apr 09, 2018 12:25 pm

Joined: Sun Apr 08, 2018 1:10 pm
Posts: 10
Hi,

My child is practicing as many maths papers as possible. This question came up in a paper for the city girls school. I’m finding it challenging(im not a maths person) any help would be greatly appreciated
what method should be used? Trial and error? Or algebra?
Paper below!
Question 48(last one)

Banana person

Last edited by Bananaperson on Mon Apr 09, 2018 4:32 pm, edited 1 time in total.

Top

 Post subject: Re: HelpPosted: Mon Apr 09, 2018 2:44 pm

Joined: Mon Jan 24, 2011 4:33 pm
Posts: 1452
Location: Buckinghamshire
This is the way I tackled it:

Since circle+triangle=square, you can substitute a square in place of (circle+triangle) in line 3 to give circle+square=hexagon.

From line 2, you can then deduce that circle=square because we now have circle+square=hexagon in line 3 as well as square+square=hexagon in line 2. In other words, adding a circle to a square has the same effect (resulting in a hexagon) as adding a square to a square.

From line 1, now we know that circle=square, that must mean that triangle=0 because adding triangle to a circle doesn't change its value.

(which means that circle=1, square=1 and hexagon=2)

Top

 Post subject: Re: HelpPosted: Mon Apr 09, 2018 4:25 pm

Joined: Sun Apr 08, 2018 1:10 pm
Posts: 10
Ahh i see..
Thanks

Top

 Post subject: Re: HelpPosted: Sat Apr 14, 2018 11:37 am

Joined: Fri Jul 14, 2017 10:41 am
Posts: 33
Location: London
Id use substitution knowing what a square equals, etc.

Top

 Post subject: Re: HelpPosted: Sat Apr 21, 2018 3:52 pm

Joined: Sat Oct 17, 2015 9:46 am
Posts: 69
Hello all

I tried to get my daughter to complete the paper above. Does anyone know where I can get the answers?

I would really appreciate it.

Top

 Post subject: Re: HelpPosted: Sat Apr 21, 2018 8:04 pm

Joined: Mon Feb 12, 2007 1:21 pm
Posts: 15677
Post any questions you are unsure of and I'll check them.

Top

 Post subject: Re: HelpPosted: Mon Apr 23, 2018 8:41 pm

Joined: Sat Oct 17, 2015 9:46 am
Posts: 69
Thank you Guest55 I will have a look and get to you.

Top

 Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending
 Page 1 of 1 [ 7 posts ]

 All times are UTC

#### Who is online

Users browsing this forum: No registered users and 7 guests

 You cannot post new topics in this forumYou cannot reply to topics in this forumYou cannot edit your posts in this forumYou cannot delete your posts in this forumYou cannot post attachments in this forum

Search for:
 Jump to:  Select a forum ------------------ FORUM RULES    Forum Rules and FAQs 11 PLUS SUBJECTS    VERBAL REASONING    MATHS    ENGLISH    NON-VERBAL REASONING    CEM 11 Plus GENERAL    GENERAL 11 PLUS TOPICS    11 PLUS APPEALS    11 PLUS TUTORS    INDEPENDENT SCHOOLS    11 PLUS CDs/SOFTWARE    11 PLUS TIPS    PRIMARY    SEN and the 11 PLUS    EVERYTHING ELSE .... 11 PLUS REGIONS    Berkshire    Bexley and Bromley    Birmingham, Walsall, Wolverhampton and Wrekin    Buckinghamshire    Devon    Dorset    Essex    Essex - Redbridge    Gloucestershire    Hertfordshire (South West)    Hertfordshire (Other and North London)    Kent    Lancashire & Cumbria    Lincolnshire    Medway    Northern Ireland    Surrey (Sutton, Kingston and Wandsworth)    Trafford    Warwickshire    Wiltshire    Wirral    Yorkshire BEYOND 11 PLUS    Beyond 11 Plus - General    GCSEs    6th Form    University