Ruffian Ritual

Ruffian Ritual

Ruffian Ritual Not everyone is nice. Not everyone even pretends to be nice, but their is still honour and protocol among thieves.  Let's say that you're spying on a den of thieves and ruffians. The first thing you notice when they get together is that they all...
Kobon Triangles

Kobon Triangles

Kobon Triangles (Kobon Fujimura, 1981) Math Puzzles do not get more beautiful than this one from Japan.  It should be used by either elementary instructors who need to give their students practice holding a ruler and drawing a straight line or by junior high...
Unifix Cubes

Unifix Cubes

Unifix cubes. (MathPickle, 2011) Use Unifix to play with patterns. One new unifix mime vignette I did with kindergarten children in 2013 was to enter a new classroom with unifix cubes sorted out in color piles. I lay down in the middle of the cubes. The teacher hit a...
Tribute to Eric Carl

Tribute to Eric Carl

Tribute to Eric Carl (MathPickle, 2010) Kindergarten students experience mathematical pattern and structure in many of their books. Some enjoy the predictive qualities of pattern. They like the rhythm of words and benefit from the repetition of meaningful phases....
Find the Attribute

Find the Attribute

Find the Attribute (MathPickle, 2013) This is a filler puzzle when you have a little chunk of time to fill and want to get your students talking about attributes.  The puzzle creator chooses an attribute and publicly declares which items belong to the set and which...