Complete the Quadrilateral

Complete the Quadrilateral

Complete the Quadrilateral (Don Steward, 2013) Try finding the largest and smallest rhombus, rectangle, trapezoids etc. so their vertices  include a special point and the other vertices lie on the lattice points of a grid. The first half of the video is quite easy,...
Circus Tent Puzzle

Circus Tent Puzzle

Circus Tent Puzzle The best tents are the ones that have the smallest perimeter. Both of these tents have a perimeter of 7. That's the best you can do for $17. Each triangle is worth $3. Each square is worth $4. Given a tent price find the smallest perimeter. Let's...
Area and Perimeter of Polyanimals

Area and Perimeter of Polyanimals

Area and Perimeter of Polyanimals (MathPickle, 2010) Give practice to your students in calculating area and perimeter as they create polyanimals to fit in cages.  The creative bit of getting them to name their creatures is optional 😉 Download a pdf here. There is no...
Life expectancy in different countries

Life expectancy in different countries

Life expectancy in different countries (MathPickle, 2011) Life and death statistics from around the world. It is a good data set to discuss and calculate “average.” If students do not yet know division, the video shows another way to calculate average. The...
Introducing Statistics to Young Children

Introducing Statistics to Young Children

Introducing Statistics to Young Children Some off-the cuff thoughts about how to introduce statistics long before children see any formula. Thanks to Mark Anderson for the super-villain cards Morlun and Electro – these are beauty in the eyes of children with too...