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Reverse to Order

Take any two digit number, for example 58. What do you have to do to reverse the order of the digits? Can you find a rule for reversing the order of digits for any two digit number?

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Digit Sum

What is the sum of all the digits in all the integers from one to one million?

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Football Sum

Find the values of the nine letters in the sum: FOOT + BALL = GAME

Tick Tock

Stage: 3 Short Challenge Level: Challenge Level:1
8 am on Monday.

Each hour, Tock's watch gains three minutes on Tick's watch. It will, therefore, take 20 hours before it is one hour ahead of it.

This problem is taken from the UKMT Mathematical Challenges.
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