Point of view
If you have a set of cubes for your classroom, this would make a great group hands-on project. Its an old puzzle but the activity deserves a revisit.
Below are two straight-on images of my ...
Geometry
Genres
Grade
Spiraling squares - compass and straight edge
Can you see the many spirals in this design?
Students calculate the size of each increasing round of squares and consider what sort of spirals these must be.
Working wit...
How long would it take to build this underground house and pool?
The building of this underground house and pool was presented by Cayote Person and his partner, Mark Lavins, on their youtube channel, "Brave Wilderness." At BraveWilderness.com the busin...
Huge Key Lime pie
More for π Day!
On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are.
...
Pythagorean Triples and coloring
Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns. We've combined a little coloring with our Pythagorean Triple pattern invest...
Huge diamond found in Canada
552-carat diamond found in Diavik Mine, Northwest Territories, Canada
Can you tell just how big this gem is? Do you know how big a carat is? What would this look like on a ring on you...
Macy's Thanksgiving Parade 2019
As we get ready for next week's holiday, students can study a map of the annual Macy's Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate...
Sol LeWitt's pyramid - How might you count those blocks?
Sol LeWitt, Four Sided Pyramid, 1999, Hirshhorn Museum Sculpture Garden, Washington DC
Sol LeWitt (1928 - 2007) was a an American artist involved in Conceptual art and Minimalism. &n...
Fibonacci coloring
Let your students simply enjoy coloring our designs or artistically play with the whole creation of Φ designs.
Simply coloring our Fibonacci patterns might allow students to ponder th...
More eruptions on Hawai'i's Kilauea
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island. Is that significant?
In this activit...