Here is a list of numbers.
30 31 32 33 34 35 36 37 38 39
From the numbers on the list,
write down a number which is not a square number
write down a number which is not a multiple of 8
write down all of the numbers which are not prime numbers on the list.
245 exam-style questions on Edexcel GCSE Maths Factors and Multiples. Each one has a worked solution and a mark scheme showing where the marks go.