Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
What is the smallest number of answers you need to reveal in order to work out the missing headers?
The Number Jumbler can always work out your chosen symbol. Can you work out how?
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
In each of these games, you will need a little bit of luck and your knowledge of place value to develop a winning strategy.
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?
Can you make doughnuts by matching these fractions, decimals and percentages?
