Curated OER
Math Flash - Place Value PowerPoint
Place value and the reading and writing of large numbers, are the focus of this math PowerPoint. Students are taught that place values can be bunched up into "periods," which consist of the ones, thousands, millions, billions, and...
TryEngineering
Give Binary a Try!
Digital, analog, and now binary clocks? The instructional activity teaches individuals how to interpret binary code. They use an online software program to read binary clocks.
NASA
Solar System Scale & Size
Use a variety of whole fruits to represent the different planets in the solar system to introduce scale sizes to your math or space science class. They follow suit by creating a non-scaled model of the solar system using specific-colored...
NASA
Earth, Earth’s Moon, Mars Balloons
Very specific diameters are given for blowing up three different balloons to represent, in scale, the moon, Earth, and Mars. In groups of three, amateur astronomers explore scale measurements and distance in space.
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...
TryEngineering
Give Binary a Try!
Learners apply binary code in software applications for computer engineers. In this binary code lesson, students read about binary code and its applications to computer engineers. They download software and read an online binary clock....
Alabama Learning Exchange
Lining up the Decimals
Fifth graders order decimals from least to greatest and greatest to least. In this decimal order instructional activity, 5th graders complete an online review of comparing 2 digit numbers. Students then complete a decimal order card game...