Help please

11 Plus Maths – Preparation and Information

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goldenstar
Posts: 73
Joined: Sun Jan 20, 2013 11:22 am

Help please

Post by goldenstar »

GL maths 6, question number 10
If A = 3, B = 6, C = 8, D = 9, E = 12,
what is the answer to this sum written as
a letter?
E/CxB + A = (?)

Answer is E

I am not sure how to work out, can you shed some lights please.
IronMikeTyson
Posts: 612
Joined: Wed Nov 23, 2011 1:52 pm
Location: Shamballa

Re: Help please

Post by IronMikeTyson »

order is do the division first:

12/8=1.5

1.5*6=9

9+3=12
"To err is human;to forgive ,divine"
goldenstar
Posts: 73
Joined: Sun Jan 20, 2013 11:22 am

Re: Help please

Post by goldenstar »

Thank you.
parent2013
Posts: 452
Joined: Mon Aug 12, 2013 10:13 am

Re: Help please

Post by parent2013 »

goldenstar - I will suggest that you understand the BIDMAS rule which will help you to solve any of such questions. The order of calculation is Bracket, Indices, Division, Multiply, Add and Subtract

Your question: If A = 3, B = 6, C = 8, D = 9, E = 12,
what is the answer to this sum written as a letter?
E/CxB + A


Step 1. Calculate "E/C" = 12/8 i.e. 3/2
Step 2. Calculate "X B" = 3/2 X 6 = 9
Step 3. Calculate "+A" = 9 + 3 = 12

Answer is 12

You can also try

4 X (3 square) + (12/2 - 3) - 5

4 X 9 + (6 - 3) -5

4 X 9 + (6 - 3) -5

36+3-5

39-5

Answer 34
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