This blog is managed by Song Hock Chye, author of Improve Your Thinking Skills in Maths (P1-P3 series), which is published and distributed by EPH.

Friday, May 16, 2008

Ai Tong School P6 SA1 2006 Math (Q41)

Alex has twice as many pokemon cards as Bod and Charles and ¾ as many pokemon cards as Alex.
(a) What fraction of the pokemon cards does Charles have?
(b) If they have 90 pokemon cards altogether, how many cards does Alex have?

Solution





(a) Charles -

3/9 = 1/3

Answer: The fraction of cards Charles has is 1/3.


(b) Alex had –

9 units ----- 90
1 unit ----- 90 divided by 9 = 10
4 units ----- 10 x 4 = 40

Answer: Alex has 40 pokemon cards.

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