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?

Mediant Madness

Kyle and his teacher disagree about his test score - who is right?

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?


Age 11 to 16 Challenge Level:

If you know what the average is, and how many numbers you have, what can you say about the total?