structure and skills California Dept of Education 1970 Second book 471 p. Numeration Systems (Page-1), Number Ideas and Patterns (Page-55), Numbers of Arithmetic (Page-115), Geometry (Page-177), Introduction to Integers (Page-227), Number Phrases and Sentences (Page-275) Congruence (Page-321), Rate Ratio and Percents (Page-371), Extending Number Systems (Page-417). Richard A. Denholm & V. Dale Blank Mathematics 510,DEN Denholm, Richard A. 20230705092715.0