Lappan, Glenda
Bits and pieces II : using rational numbers
- Palo Alto, Calif. : Dale Seymour Publications, 1996.
- Connected mathematics : number .
76 p. : ill. ; 26 cm. Student ed. Developed at Michigan State University.
157232158X
Numbers, Rational -- Study and teaching (Elementary)
Mathematics -- Study and teaching (Elementary)
Percentage -- Study and teaching (Elementary)