Averages

  • Small tomato seedlings in yellow pots.
    problem

    Range of Averages

    Age
    11 to 14
    Challenge level
    1 out of 3

    Find these 4 numbers, given their mode, median and range.

  • Small tomato seedlings in yellow pots.
    problem

    Shifting Average

    Age
    11 to 14
    Challenge level
    2 out of 3

    What happens to the average if you subtract 8 from all of the numbers?

  • Small tomato seedlings in yellow pots.
    problem

    The Average Age

    Age
    11 to 14
    Challenge level
    2 out of 3

    Given this information about averages, find the ages of these teachers.

  • Small tomato seedlings in yellow pots.
    problem

    Average Temperature

    Age
    11 to 14
    Challenge level
    2 out of 3

    The average temperature of six cities is 5$^\circ$C. What is the average temperature when two cities are added?

  • Small tomato seedlings in yellow pots.
    problem

    French Test

    Age
    11 to 14
    Challenge level
    2 out of 3

    What was the average score in this French test?

  • Small tomato seedlings in yellow pots.
    problem

    Bat Wings

    Age
    11 to 14
    Challenge level
    2 out of 3

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

  • Small tomato seedlings in yellow pots.
    problem

    Grandpa's Rock Cakes

    Age
    11 to 14
    Challenge level
    3 out of 3

    Grandpa made a super-heavy rock cake. Five people have guessed the weight of the cake. Can you work out the weight of his cake?

  • Small tomato seedlings in yellow pots.
    problem

    Number of Arms

    Age
    11 to 14
    Challenge level
    3 out of 3

    What is the probability that the next person you meet has an above average number of arms?

  • Small tomato seedlings in yellow pots.
    problem

    Growing Families

    Age
    11 to 14
    Challenge level
    3 out of 3

    What do these statistics about family size mean?

  • Small tomato seedlings in yellow pots.
    problem

    Average Discovery

    Age
    14 to 16
    Challenge level
    1 out of 3

    Find the missing number if the mean, median and mode are all the same.