The Return of the Abacus in Teaching Subtraction? Correcting the Almost-Correct
Cody Bowie2022-10-31T16:35:57-05:00Volume XXXIV, No. 18 | September 15, 2012 The Return of the Abacus in Teaching Subtraction? Correcting the Almost-Correct A child’s subtraction error is noted on page 71 of the text Mathematics for Elementary School Teachers (Bassarear, 5th ed.). The problem is 52 –16, and the child’s answer is 44. The question to [...]