Yummy Math
Happy 14th B’ak’tun, the start of the next Great Mayan cycle
The ancient Mayans had a complex calendar and number system with a rich history. In fact, the date 12/21/2012 was the center of much controversy as to whether or not it was the end of time. It wasn't the end of time, but it was the end...
Curated OER
How Many Animals?
Students use their math skills to develop estimates for the population of several animal species native to the Austrailian rainforest. It is a simulation that researchers at the Center for Rainforest Studies in Australia perform to...
Curated OER
Let's Go Value Shopping
Students count, figure change, and find the value of saving in a classroom store.
Curated OER
Graphing Valentine Candies
Fifth graders organize and display information in bar graph form using appropriate labels. Each student receives a box of Valentine heart candies, a worksheet of the tally chart and a worksheet of the bar graph.
Curated OER
ExplorA-Pond: 6th Grade Area and Random Number Tables
Sixth graders estimate the surface area of a pond using a random number table.