Averages and Midpoints

Determine if a student’s method of computing averages using midpoints always works.

A Different Method

Determine if a student’s method of computing averages always works.

Ten Apart

Find a data set with measures of central tendencies that vary by ten.

Arithmetic and Geometric Means

Visualize the arithmetic and the geometric means.

Comparing the Arithmetic Mean, Geometry Mean, and Harmonic Mean

Using a graphs, what can you say about how the arithmetic mean compares to the geometric mean and the harmonic mean?

Increasing Your Chances

What would you have to add to a package of marbles so that the probability of getting a red marble is 7/8?

One Probability

How many red marbles do you need?

Adding Marbles

Add green marbles to a bag so that the probability of drawing a green marble is 3/4.

Unfair Coins

Explore the probabilities associated with a coin toss that is more likely to land on one side.

Choosing Multiples of 5

Investigate the probability of selecting multiples in a group of real numbers.