Number Toolkit (Cambridge International IGCSE Mathematics): Exam Questions

Write down the integer values of x that satisfy the inequality $- 2 \text{less} - \text{than} or \text{slanted} \text{equal} to x < 2$.

Write two hundred thousand and seventeen in figures.

Write 15 060 in words.

3.56 5 $\sqrt{196}$ 8 $\sqrt{7}$ 12

From the list, write down a number that is

i) a multiple of 3,

ii) a cube number,

iii) a prime number,

iv) an irrational number.

Write down a prime number between 50 and 60.

Write down a prime number between 20 and 30.

Jimmy works at a shop for 26 hours in a week.

He is paid £13.50 an hour.

Work out the amount that Jimmy is paid in a week.

Jimmy's usual hourly rate is £ 13.50 and his usual weekly pay is £ 351

In one week during a holiday period, Jimmy works an extra 10 hours.

For each extra hour, his employer pays him an extra 50% as an addition to his usual hourly rate.

How much is he paid in total for this week, including his usual weekly pay?

1, 2, 3, 5 and 7 are all common factors of two numbers. Write down the digit that the two numbers must end in.

Insert one pair of brackets to make this calculation correct.

$7-5-1+4=7$

Explain why $\sqrt{3}$ is irrational.