coolthisweek 02/15/2012

• Illuminations: Circle Tool

  "How do the area and circumference of a circle compare to its radius and diameter? This activity allows you to investigate these relationships in the Intro and Investigation sections and then hone your skills in the Problems section."

  tags: circles geometry andcoolthisweek

Posted from Diigo. The rest of my favorite links are here.

coolthisweek 02/03/2012

• Best Measure Customary

  tags: smartboard andcoolthisweek math measurement

Posted from Diigo. The rest of my favorite links are here.