Level 2
When a number is divided by 2, the remainder is 1.
When the same number is divided by 3, the remainder is also 1.
What is the smallest possible number?
3 m
Level 2
When a number is divided by 2, the remainder is 1.
When the same number is divided by 3, the remainder is also 1.
What is the smallest possible number if the number is more than 10?
3 m
Level 2
A packet contains 30 to 60 stickers.
The stickers can be shared equally among 6 children or 9 children.
List all the possible number(s) of stickers in the packet?
3 m
Level 2
A packet contains 30 to 60 stickers.
The stickers can be shared equally among 6 children or 9 children.
What is the largest possible number of stickers in the packet?
3 m
Level 2
A packet contains 30 to 60 stickers.
The stickers can be shared equally among wither 6 children or 9 children.
What is the smallest possible number of stickers in the packet?
3 m
Level 2
Find the following values without a calculator.

For 6 and 12,
  1. what is the first common multiple?
  2. what is the second common multiple?
  3. what is the fourth common multiple?
2 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years later will be multiple of 7.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What was Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago is a multiple of 5.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age next year will be multiple of 7.
Adam's age is between 20 and 40.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago is a multiple of 5.
Adam's age is between 20 and 30.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age next year will be multiple of 7.
Adam's age is between 20 and 30.
  1. In how many years' time will Adam's age be a multiple of 10?
  2. How many years ago was Adam's age a multiple of 5?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago was a multiple of 5.
Adam's age is between 20 and 30.
  1. In how many years' time will Adam's age be a multiple of 10?
  2. How many years ago was Adam's age a multiple of 5?
4 m
Level 2
Find the sum of the 5th multiple of 4 and the 3rd multiple of 8
2 m
Level 2
List all the factors of 100 which are multiples of 4 in ascending order. (Eg 1, 2, 3)
2 m
Level 1
What is the second common multiple of 8 and 12?
2 m
Level 1
The first two common multiples of 3 and 5 are
(a) First common multiple: _____
(b) Second common multiple: _____
2 m
Level 1
What is the sum of the first and second common multiples of 5 and 7?
2 m
Level 2
Mrs Lin's age is the fourth multiple of 9. Mrs Lin's age is 3 times her daughter's age. How old is her daughter?
3 m
Level 3
The sum of all the factors of 20 is the 6th multiple of a number. What is the number?
3 m
Level 2
B is a number. It is a factor of 30 and also a multiple of 6. What is/are the possible values of B? Give your answer(s) in numbers. (Eg 1 or 1, 2)
3 m