TY  - BOOK
AU  - Brumfiel,Charles Francis
AU  - Krause,Eugene F.
TI  - Elementary mathematics for teachers
T2  - Addison-Wesley series in introductory mathematics
U1  - 510 
PY  - 1969///
CY  - Reading, Mass
PB  - Addison-Wesley Pub. Co.
KW  - Mathematics
N1  - The abstraction process;
Sets, functions and relations;
Abstracting whole-number arithmetic from the real world;
Computing with whole numbers;
Basic principles for whole-number arithmetic;
The abstraction of positive rational arithmetic from the real world;
The abstraction of the integers from the real world; 
Basic principles for integers and rationals;
Decimals;
Real numbers;
Set theoretic constructions: the fifth stage of abstraction;
Number theory;
Geometry;
Probability
ER  -