Compare different random sampling types using an archaeological setting. Scholars collect data from an archaeological plot using simple random samples, stratified random samples, systematic random samples, and cluster random samples....

Elementary schoolers find out which month has the most class birthdays (mode) and which birthday represents the middle point of all the birthdays (median). They gather and organize data to find one number that fairly represents the whole...

How do you make raisins? Do a simple experiment with your class that prompts them to set a bunch of grapes in the sun for a few days, and see what they find!

Students practice estimation skills with the video series "Interactions: Real Math, Real Careers". They complete a hands-on activity for estimating large numbers.

Young scholars survey each other and determine their common interests. They examine the use of algorithms by various websites that are used to develop networks of interest groups among users. They then design proposals for a social...

This WebMath site provides an interactive number line "solver." Content includes helpful hint and a full explanation of the mathematical solution.