Welcome to the 4th Problem Solving Badge. This challenge involves using several different maths skills and operations to help find a Mystery Number' As always, try and solve this problem creatively, perhaps in the form of a video explanation in groups.
  1. Task 1 Mystery Number

    What is the mystery number?

    Follow the clues:

    • The number is between 7500 and 9900.
    • It is divisible by 6.
    • All the four digits are different.
    • It is a square number.

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