2014 is the year and this brings a new challenge. This activity is the 2014 puzzle. Using ALL the digits in the year 2014 once and only once (you may not use any other numbers except 2, 0, 1, and 4) write down as many different mathematical expressions that give results for the numbers 1 to 100. You should learn many different tricks along the way to help you and you may even surprise yourself how creative you can be to find solutions to ‘difficult’ numbers