You may also like

Bat Wings

Two students collected some data on the wingspan of bats, but each lost a measurement. Can you find the missing information?

Kate's Date

When Kate ate a giant date, the average weight of the dates decreased. What was the weight of the date that Kate ate?

Balancing the Books

How many visitors does a tourist attraction need next week in order to break even?

M, M and M

Age 11 to 14 Challenge Level:


Try arranging all sets of numbers in order, smallest to biggest. Which of the five positions are the easiest to fill in?
If you can think of lots of possible values for one space, try to figure out the highest and the lowest it could be, and whether there are any other conditions...

Which spaces can you fill straight away?