AU  - FOSNOT,CATHERINE TWOMEY
AU  - JACOB,BILL
TI  - BEST BUYS, RATIOS, AND RATES
T2  - CONTEXTS FOR LEARNING: MATHEMATICS
SN  - 0325010267
U1  - 510/JAC 
PY  - 2007///
CY  - PORTSMOUTH
PB  - FIRSTHAND
KW  - MATHEMATICS
KW  - ADDITION
KW  - SUBTRACTION
KW  - FRACTIONS
N1  - AN IMPRINT OF HEINEMANN
ER  -