Mathematics 0580: RATIONAL AND IRRATIONAL NUMBERS Topical Past Paper Questions
Cambridge IGCSE Mathematics (0580) past-paper questions on RATIONAL AND IRRATIONAL NUMBERS, free. This topic is regularly examined across 28 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Complete each of these statements with a number from the list. The cube number is ..... [3] The prime number is ..... The irrational number is .....
(a) Simplify. [2] $$ \sqrt{125} - \sqrt{20} $$ (b) NOT TO SCALE The area of this rectangle is $k \text{ cm}^2$. Work out the value of $k$. $k =$ [2] (c) Rationalise the denominator. [2] $$ \frac{1}{\sqrt{7}+2} $$
Write the recurring decimal $0.4\dot{1}$ as a fraction in its simplest form. You must show all your working. [2]
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