Wednesday, August 01,
2001
Source: NCTM, The Mathematics
Teacher, V. 92, No. 6 (Sept. 1999),
pp. 492-95
Slide No.
13
Arithmetic Solution (continued)
Student:
Teacher: So what do we know about the larger
number? Is it even or odd?
Student: Its odd.
Teacher: Why, then, must the smaller number be
odd as well?
(continued)