Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.
Does this 'trick' for calculating multiples of 11 always work? Why or why not?
How many different rectangles can you make using this set of rods?
Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
56 406 is the product of two consecutive numbers. What are these two numbers?
How many different sets of numbers with at least four members can you find in the numbers in this box?
