Mathematics GCSE revision quiz

What is 257.483 rounded to 2 significant figures?

• 257.48

• 257

• 250

• 260

What is 257.483 rounded to 2 decimal places?

• 257.5

• 257.49

• 257.48

• 257.50

2 x 5 - 1 + 3

• 11

• 14

• 12

• 10

Simplify 2a - 3b + 4a - 5b

• 6a + 8b

• 6a - 8b

• 6a8b

• 8a - 6b

Which expression means 'four more than n'

• 4n

• n + 4

• n > 4

• 4 > n

What is the nth term of this arithmetic sequence : 5, 13, 21, 29...

• 8n - 3

• 8n + 3

• 3n - 8

• 3n +8

Solve the equation 2n + 3 = 23

• n = 1

• n = 10

• n = 11

• n = 13

What is the median of the numbers 2, 2, 3, 9 ?

• 7

• 4

• 2.5

• 2

Simplify fully: 
√32

• 4√8
• 16√2
• 4√2
• 4√4

What is the area of this triangle?

• 17cm²

• 20cm²

• 30cm²

• 60cm²