Art Jorgensen
-
-
Calendar Math
Arthur Jorgensen
-
Calendar Math
Art Jorgensen
-
Calendar Math
Arthur Jorgensen
-
Mathematical Codes
Louise M. Lataille
-
Counting Card Combinations
Bonnie H. Litwiller and David R. Duncan
-
Solids Construction
Sandra M. Pulver
-
Problem Solving Ideas
Florence E. Fischer
-
Counting the Complement: The Probability of Consecutive Numbers in a Lotto Drawing
David R. Duncan and Bonnie H. Litwiller
-
Logo and Problem Posing
J. Dale Burnett