Active Learning of Mathematics. Oct. 1999, 108–10
Counting Attribute Blocks: Constructing Meaning for the Multiplication Principle. May 2000, 568–73
Posing Problems: Two Classroom Examples. Oct. 1999, 112–17
Readers Write. Nov. 1999, 139; Jan. 2000, 274; Feb. 2000, 344
Revitalizing and Refocusing Our Efforts. Oct. 1999, 130–36
Using Concept Maps to Link Mathematical Ideas. May 2000, 604–9
