Incoming Resources
- Panda math, learning about subtraction from Hua Mei and Mei Sheng, by Ann Whitehead Nagda in collaboration with the San Diego Zoo
- Subtraction, Joseph Midthun, Samuel Hiti
- Subtraction, Ann Becker
- Subtraction made easy, Rebecca Wingard-Nelson ; [illustrated by Tom LaBaff]
- Subtracting, written by Rozanne Lanczak Williams ; photographed by Michael Jarrett
- I can subtract bills and coins, Rebecca Wingard-Nelson
- Elevator magic, by Stuart J. Murphy ; illustrated by G. Brian Karas
- Subtraction, by Alison Wells ; illustrated by Richard Maccabe