TY  - ADVS
ED  - Harper & Row, Publishers.
TI  - Introduction to decimal fractions
AV  - QA117 
PY  - 1979///
CY  - White Plains, N.Y.
PB  - Center for Humanities
KW  - Decimal fractions
N1  - "The skills group."; Also issued with sound accompaniment on disc
N2  - Topics covered include place value, writing decimals as fractions, addition, subtraction, multiplication of decimals, powers of 10, and rounding off
ER  -