Tag: 8.EE

10 Million nematodes

Grubs are killing my grass.  I don’t want to put poison into the ground.  What can I do? There are tiny roundworms called beneficial nematodes. They can kill destructive soil pests in your garden and lawn.  They are tiny worms that…

MAVEN arrives at Mars

Recently the MAVEN spacecraft (Mars Atmosphere and Volatile Evolution Mission) that was launched on November  18, 2013 reached Mars and attained an elongated orbit around the planet.  How does someone figure out how to do that?

Voyager on the edge

The two Voyager space probes are in the news recently as they approach the edge of our solar system.  Scientist can tell that the Voyager’s environments are changing.  They are receiving more high-energy particles streaming

Happy 14th B’ak’tun!

Clicking on this map of the Mayan territories will open it larger and in a new window Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle…

Two to the … s

Let your students practice exponents, fractional exponents, and roots with this powerful assignment that asks them to compute impressive mathematics in their heads. If you list the values of various 2 to the … s then you can ask students…