1 out of 3
I'm thinking of a rectangle with an area of 24. What could its perimeter be?
1 out of 3
If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
1 out of 3
Can you find six numbers to go in the daisy from which you can make all the numbers from 1 to a number bigger than 25?
1 out of 3
Can you crack these cryptarithms?
1 out of 3
By selecting digits for an addition grid, what targets can you make?
1 out of 3
What happens when you add a three digit number to its reverse?
1 out of 3
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
1 out of 3
How many different differences can you make?
1 out of 3
A colourful cube is made from little red and yellow cubes. But can you work out how many of each?
2 out of 3
Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?
