Bouwsma, Ward D. <br/><br/>
Basic mathematics for elementary teachers / 
Ward D. Bouwsma and Clyde G. Corle 
 - New York  Ronald Press  1967 
 - vii, 342 p. 
<br/><br/>Sets and Natural Numbers (Page-3), Some Numeration Systems (Page-17), Addition (Page-26), Subtraction and Negative Integers (Page-49), Multiplication (Page-84), Decimal Notation Revisited (Page-107), The Algebra of Sets (Page-131), Some Concepts of Logic (Page-142), Division (Page-149), Factoring and Related Notions (Page-163), Geometric Development of the Rational Numbers (Page-187), Relations (Page-204), Algebraic Development of the Rational Numbers (Page-221), Further Properties of Rational Numbers (Page-262), Decimal Representations and Real Numbers (Page-280). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic --Foundations.
<br/><br/><label>Dewey Class. No.: </label>510,BOU