Teachers guide for peas and particles /
Teachers guide for peas and particles /
- New York : Webster Division, McGraw-Hill Book Company, 1966.
- v, 40 p. : ill. ; 28 cm.
070175217
Numeration --Study and teaching (Elementary).
Mathematics--Study and teaching (Elementary).
507.37 PEA
070175217
Numeration --Study and teaching (Elementary).
Mathematics--Study and teaching (Elementary).
507.37 PEA