TY  - GEN
AU  - Charles F. Brumfiel
TI  - Elementary mathematics for teachers
U1  - 510,BRU 
PY  - 1968///, c1969
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co. [
KW  - Elementary mathematics for teachers
N1  - The Abstraction Process (Page-1) Sets Functions and Relations (Page-6) Abstracting Whole-number arithmetic from the real World (Page-53), Computing the Whole Numbers (Page-103), Basic Principles for Whole Number Arithmetic (Page-142), The Abstraction of Positive Rational Arithmetic from the Real World (Page-190), The Abstraction of the Integers from the Real World (Page-223), Basic Principles for integers and Rationals (Page-244) Decimals (Page-290), Real Numbers (Page 316), Set Theoretic Constructions: the fifth Stage of Abstraction (Page-336), Number Theory (Page-349) Geometry (Page-379) Probability (Page-415).
ER  -