Just in, from my daughter, about her daughter: On Friday, Opal does work that she brings home. Yesterday’s included the word problem: Mother cat had 6 kittens. 5 kittens went to new owners. How many were left? Opal’s answer, duly checked off by the teacher, was “2 cats were left.” Thank goodness she gave a … Continue reading Data points: N ellipsis, ambiguity 7/31/10