Activities about conversion

Shrinking Toblerone

New York Times photo - Credit Darren Staples/Reuters They changed it. That is so not fair ... or is it? You can check out a video news story...

Number Sense Geometry Grades 5–HS

Cubs bury curse !

Wow! It's been a long time coming. The Chicago Cubs just won the World Series! The last time they won the World Series was in 1908 (For some...

Number Sense Sports Grades 4–8

Flag Art

A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios...

Number Sense Geometry Grades 4–8

Bits, bytes, and nibbles

Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want...

Algebra Number Sense Grades 5–HS

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....

Algebra Number Sense Grades 4–8

Curiosity landed on Mars

Keep your students up on what's happening in space while analyzing Curiosity the Mars Rover's speed, the speed of a radio transmission from Mars, and the deceleration involved...

Algebra Number Sense Grades 5–8

The Euro and the international debt crisis

Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In...

Algebra Number Sense Grades 6–7

Everything Royal Wedding

Friday, April 29, 2011, at 11:00 a.m. will be the much talked about wedding of Britain's Prince William and Kate Middleton. Engage and inform your students in an...

Algebra Number Sense

Radiation amounts

This investigation will help you and your students to better understand the magnitude of normal, background radiation and the more serious radiation exposure that comes from nuclear accidents....

Algebra Number Sense Grades 6–8