At 9 pm the temperature in Bristol was 2°C. At 3 am the temperature was −6°C.

By how many degrees did the temperature fall?

21 ÷ 3 + (3 × 9) × 9 + 5

36 ÷ 9 + 48 - 10 ÷ 2

Look carefully for the pattern, and then choose which pair of numbers comes next.

42 40 38 35 33 31 28

What is the nth term of the sequence 5, 7, 9, 11, …?

What are the first four terms of the sequence 3 - 8n?

Work out the following  (−1)³

What are the prime numbers between 50 and 60?

Write 48 as the product of its prime factors.

What is the HCF of 16 and 40?