SubtractioneBook - 2010
This exciting new book helps budding mathematicians discover how to use subtraction. Come along with a museum curator as he prepares a butterfly exhibit. Concepts of taking away, comparing, difference, key words, modeling, and using the algorithms of subtraction are all explained in a fun and real-life setting.
Publisher: New York : Crabtree Pub., ©2010.
Characteristics: 1 online resource (24 pages) : color illustrations.