Can you make sense of information about trees in order to maximise the profits of a forestry company?
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
Five children are taking part in a climbing competition with three parts, where their score for each part will be multiplied together. Can you see how the leaderboard will change depending on what happens in the final climb of the competition?
How many solutions can you find to this sum? Each of the different letters stands for a different number.
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?
