Q.1
What is the next prime number after 7?
  • 9
  • 11
  • 13
  • 27
Q.2
Which are the factors of 24?
  • 1, 2, 3, 4, 6, 8, 12, 24
  • 2, 3, 4, 6, 8, 12
  • 1, 2, 3, 4, 5, 8, 12, 24
  • 1, 2, 4, 6, 12, 24
Q.3
What is a prime number?
  • A number that is only divisible by 1 and itself
  • A number that cannot be squared
  • A whole number that divides into another whole number
  • An odd number that is divisible by 3
Q.4
How can we recognise if a number is divisible by 25?
  • A number is divisible by 25 if it ends in 00, 25, 50 or 75
  • A number is divisible by 25 if it is divisible by 8
  • A number is divisible by 25 if the last two digits are divisible by 8
  • A number is divisible by 25 if it is odd and divisible by 3
Q.5
What is 15 squared?
  • 150
  • 175
  • 225
  • 250
Q.6
How can we recognise if a number is divisible by 6?
  • A number is divisible by 6 if it is odd and divisible by 3
  • A number is divisible by 6 if it is even and divisible by 3
  • A number is divisible by 6 if the sum of its digits total 3
  • A number is divisible by 6 if it is even and divisible by 2
Q.7
How can we recognise if a number is divisible by 9?
  • A number is divisible by 9 if it is an odd number
  • A number is divisible by 9 if the sum of its digits is divisible by 9
  • A number is divisible by 9 if the last two digits are divisible by 4
  • A number is divisible by 9 if the sum of its digits total 3
Q.8
How can we recognise if a number is divisible by 3?
  • A number is divisible by 3 if it is an odd number
  • A number is divisible by 3 if it ends in 3
  • A number is divisible by 3 if the sum of its digits is divisible by 3
  • A number is divisible by 3 if it is a square number
Q.9
How can we recognise if a number is divisible by 8?
  • A number is divisible by 8 if it is a square number
  • A number is divisible by 8 if it ends in 2 or 4
  • A number is divisible by 8 if the last two digits are divisible by 8
  • A number is divisible by 8 if the last three digits are divisible by 8
Q.10
Which is the smallest common factor of 6 and 15?
  • 2
  • 3
  • 5
  • 6
0 h : 0 m : 1 s