Scholastic
Study Jams! Estimate Whole Numbers
Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...
Howard Hughes Medical Institute
EarthViewer
Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...
Olympic Museum
The Olympic Symbols
Get into the Olympic spirit with a resource about the values and symbols of the Olympic Games. With sections about prominent images of the Olympics, including the flame and the interlocked rings, the packet supplies engaging information...
TED Talks
Ted: Ted Ed: How to Visualize One Part Per Million
Parts per million is a scientific unit of measurement that counts the number of units of one substance per one million units of another. But because it's hard to conceptualize really large numbers, it can be difficult to wrap our brains...