# January 08, 2016 at 07:56AM

Color coding N3 in summary #teach180 https://t.co/UU6G3Tru2l http://twitter.com/rutherfordcasey/status/685460091282165760

# January 05, 2016 at 09:19AM

Another strong use for a textbook: students are clever and adjusted the height to exactly 1 meter. #teach180 https://t.co/u5depcbfPg http://twitter.com/rutherfordcasey/status/684393908860772352

# December 11, 2015 at 09:39AM

Given 1 car position and both ramp angles, find 2nd pos so carts hit end at same time. We do it as a quiz. #teach180 https://t.co/ysQxyu9YRE http://twitter.com/rutherfordcasey/status/675339089969721344

# December 10, 2015 at 08:34AM

Modified Atwood with friction and direct measurement of Ft today. #teach180 https://t.co/rHQBoUMse3 http://twitter.com/rutherfordcasey/status/674960349548773376

# December 03, 2015 at 10:41AM

Fun Newton’s third problem, three boxes accelerating from a push on a frictionless floor. #teach180 https://t.co/LjSokVZ095 http://twitter.com/rutherfordcasey/status/672455694084255744

# December 01, 2015 at 09:16AM

Goalless problem solving: “Find all the things!” #teach180 https://t.co/lmdndSmZhb http://twitter.com/rutherfordcasey/status/671709411711148033

# November 23, 2015 at 08:19PM

Using Ray diagrams to find the smallest possible mirror to see the entire width and length of your body. #teach180 https://t.co/kTuzoBr8Au http://twitter.com/rutherfordcasey/status/668977211366477824