problem The Money Maze Age 7 to 11 Challenge level Go through the maze, collecting and losing your money as you go. Which route gives you the highest return? And the lowest?
problem Finding Fifteen Age 7 to 11 Challenge level Tim had nine cards each with a different number from 1 to 9 on it. How could he have put them into three piles so that the total in each pile was 15?
problem Negative Dice Age 11 to 14 Challenge level If the odd numbers on two dice are made negative, which of the totals cannot be achieved?
problem Robot Monsters Age 5 to 7 Challenge level Use these head, body and leg pieces to make Robot Monsters which are different heights.
problem Polo Square Age 7 to 11 Challenge level Arrange eight of the numbers between 1 and 9 in the Polo Square below so that each side adds to the same total.
problem The Tall Tower Age 5 to 7 Challenge level As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?
problem Here to There 1 2 3 Age 5 to 7 Challenge level Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?
problem A Numbered Route Age 7 to 11 Challenge level Can you draw a continuous line through 16 numbers on this grid so that the total of the numbers you pass through is as high as possible?
problem Number Tracks Age 7 to 11 Challenge level Ben's class were cutting up number tracks. First they cut them into twos and added up the numbers on each piece. What patterns could they see?
problem All seated Age 7 to 11 Challenge level Look carefully at the numbers. What do you notice? Can you make another square using the numbers 1 to 16, that displays the same properties?