Basic mathematical skills
Carman, Robert A.
Basic mathematical skills a guided approach Robert A. Carman, Marilyn J. Carman. - New York Wiley [1975] - xii, 528 p. ill. 28 cm.
Includes index.
0471134953
74020779 //r93
Arithmetic
Arithmetic--Programmed instruction.
QA107 / .C57
513/.07/7
Basic mathematical skills a guided approach Robert A. Carman, Marilyn J. Carman. - New York Wiley [1975] - xii, 528 p. ill. 28 cm.
Includes index.
0471134953
74020779 //r93
Arithmetic
Arithmetic--Programmed instruction.
QA107 / .C57
513/.07/7