Play around with sets of five numbers and see what you can discover about different types of average...
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
Can you do a little mathematical detective work to figure out which number has been wiped out?
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Can you deduce the perimeters of the shapes from the information given?
What happens when you add a three digit number to its reverse?
By selecting digits for an addition grid, what targets can you make?
Can you find ways to put numbers in the overlaps so the rings have equal totals?
