Reid, Margareete S. The Button Box. Glenview, Il.: Scott Foresman, 1990.
[2-D and 3-D; grades pre-K-1]
Rex, Michael. The Fattest, Tallest, Biggest Snowman Ever (Hello Math Reader--
Level 3). New York: Scholastic, Inc., 1997.
[measurement; grades K-3]
Rogers, Paul. The Shapes Game. New York: Henry Holt, 1989.
[shapes; grades K-2]
Ross, Catherine Sheldrick. Circles: Fun Ideas for Getting A-Round in Math.
Reading, Mass.: Addison-Wesley Publishing Co., 1992.
[shapes; grades 3-6]
