Page 7 - ACE YR IGCSE A TOP APPR' TO MATHS

(d) an irrational number

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3 Considering the following numbers.

π
3
0 2.15 64 3 √4 0.5
2
3
List down all the
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(a) irrational number(s)

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(b) whole number(s)

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(c) recurring number(s)

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(d) cube number(s)

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4
18 15 59 31 4 63 7

Work out the difference between the biggest and the smallest prime number in the list above.

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5 Write down the prime factors between 10 and 20.

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Inequalities

1 Write the following in order of size, start with the smallest first.

tan 50° cos 50° 42 1.05 × 10 1
50

< < <
[2]

Cambridge IGCSE
TM
2 Ace Your Mathematics

Chapter 1A.indd 2 15/03/2022 10:26 AM