by MathPickle | Sep 14, 2015 |
Constellations (MathPickle, 2010) Give your students practice measuring distances with a ruler. Select a set of random points and photocopy them. A child must first try to guess the constellations (and name them). Then it is time to take out a ruler and figure out the...
by MathPickle | Sep 14, 2015 |
Make three equally spaced notches along the four sides of a square. Choose one of these three notches on each side. Connect them up to form a simple quadrilateral. For example, here we have chosen the middle notch on each side. What is the area of this...
by MathPickle | Sep 14, 2015 |
Start by drawing a point on a cartesian grid. The position of the point has been selected carefully. The student at the back right of the class begins. They know nothing. They may either take a guess at what will happen next – or may ask for the next slide....
by MathPickle | Sep 12, 2015 |
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...
by MathPickle | Sep 11, 2015 |
Venn diagrams are not taught well anywhere. With little effort, these diagrams can be brought to life with beauty and by going beyond that little 3 circle Venn diagram. At the very least a teacher should end a lesson on the three circle Venn diagram with a question:...
