.289 vs. 200.089
Consider this question from a "programmed math" text (1987):
"Sammy's teacher asked for someone to go to the board and write two hundred and eightynine thousandths. Sammy, Sally, and Fred raised their hands. The teacher called on Sammy and Sally.
Sammy wrote: .289
Sally wrote: 200.089
Who was right?"
Now, according to this text, neither was correct! In fact Fred said it was impossible to "write a number no matter what the number was."
Then, the teacher asked the students to write a numeral for two hundred and eightynine thousandths...and, Sally was now correct!
Ah, the good old days of the New Math movement of the 1970s. As a teacher, it was so much easier to ignore the heated arguments on numbernumeral distinctions..than it is today to ignore the heated arguments on algorithmics skills vs. problem solving.
Source: Wills' Helping Students Read Mathematics, 1987, Frames 245248
