Bottom of the News

“Now teachers avoid breaking kids into groups of six or seven, or asking them to turn to page 67, or instructing them to take six or seven minutes for a task. Six is a perfect number, and seven is a prime number, but only a glutton for punishment would put them together in front of a bunch of 13-year-olds.” WSJ (Gift Article) on the numbers meme that means absolutely nothing. The Numbers Six and Seven Are Making Life Hell for Math Teachers. (I always figured 67 was for people who don’t still have enough flexibility for 69.)