Question 12 — IGCSE 0580 March 2025 Paper 12
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Numbers · The four rules. Worth 4 marks.
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Question text
12 (a) Kat has a method for finding the difference between two square numbers, a2-b2.
Her method is
(the sum of a and b) # (the difference between a and b) .
She shows her method for 172-132.
172-132
= (17+13)#(17-13)
= 30#4
= 120
W ork out 292-212 using Kat’s method.
................................................. [2]
(b) In this part, all lengths are in centimetres.
17
NOT TO
SCALE
17 13
13
100
The diagram shows a prism.
W ork out the volume of the prism.
......................................... cm3 [2]
(cid:300)(cid:219)(cid:266)(cid:174)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:222)(cid:252)(cid:181)(cid:254)(cid:215) [Turn over
© UCLES 2025 (cid:300)(cid:200)(cid:238)(cid:241)(cid:209)(cid:289)(cid:285)(cid:275)(cid:214)(cid:251)(cid:244)(cid:198)(cid:215)(cid:291)(cid:299)(cid:218)(cid:284)(cid:258) 0580/12/F/M/25
(cid:293)(cid:197)(cid:277)(cid:277)(cid:181)(cid:277)(cid:197)(cid:213)(cid:261)(cid:229)(cid:261)(cid:197)(cid:197)(cid:245)(cid:261)(cid:277)(cid:213)(cid:213)
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