BIG Snickers bar
Act 1 - Big question = How many times bigger than a regular Snickers bar is this?
What info would you like to know?
How are you going to judge how much bigger this ...
Geometry
Genres
Grade
Total solar eclipse - apparent sizes
Where will the eclipse be seen? What if you are not in the path of totality? Total solar eclipse? What is apparent size? How can the moon seem to cover the sun complete...
A gorgeous, glittery card
Uh oh! How do you find the area of a heart? Get your students to help you calculate how many sequins you'll need to order for this class project.
Giant iceberg
Ferryland, Newfoundland. JODY MARTIN / REUTERS
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but...
Alarming ice cracks on Brunt Ice Sheet in Antarctica
A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice sheet is alarming no...
Super Bowl cheesy pretzel poppers
Recipe courtesy of The Slow Roasted Italian
A little more delicious work for the Super Bowl. Students follow a recipe that involves "cutting the cheese" block, figuring how many se...
Civil rights marches, how do you count a crowd?
On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his histo...
What's wrong with this picture?
We've gotten used to believing what we read or see advertised. But sometimes the clerk doesn't get the sales discount right or something seems a little off. Let students ponder this store me...
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 on the delicious shrinking Toblero...
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 for the official U.S. flag; decide h...