Puzzle · Year 3, Year 4

Mystery Number Puzzles

Five number puzzles, each with a set of clues to a mystery number.

Mystery Number Puzzles
  1. Each puzzle below has a series of clues to a mystery number.

    Can you work out what the number is for each puzzle?

  2. Puzzle 1

    The number:

    • is greater than 7
    • has two digits
    • is less than a dozen
    • looks the same even if you swap the two digits around
    Show the answer

    11

  3. Puzzle 2

    The number:

    • is less than 10
    • is higher than 4
    • is an even number
    • is in the three times table
    Show the answer

    6

  4. Puzzle 3

    The number:

    • is between 20 and 40
    • is even
    • has two digits, the sum of the digits is 9
    Show the answer

    36

  5. Puzzle 4

    The number:

    • is odd
    • is between 10 and 60
    • is in the 5 times table
    • the sum of the two digits is 7
    Show the answer

    25

  6. Puzzle 5

    The number:

    • is lower than 50
    • is in the three times table
    • is not even
    • is 2 more than a multiple of 5
    Show the answer

    27