Number by Development, Vol. 2 : A Method of Number Instruction (Classic Reprint)

A clear, structured approach to teaching fractions and number concepts. This volume guides teachers in building students’ number sense from basic terms to advanced fraction work, using concrete objects, parallel series, and mental exercises.

Designed for classroom use, it outlines step-by-step methods for presenting, practicing, and reviewing key ideas. The book emphasizes consistency, language development, and the gradual transfer from concrete to abstract understanding, with practical guidance for assessments and varied problem types.

• Systematic progression from units and fractions to ratio, series, and equivalence


• Strategies for using objects, oral work, and written exercises to reinforce concepts


• Techniques for teaching common denominators, partition, and series of fractions


• Practical notes on pacing, review, and aligning terminology across lessons

Ideal for teachers and curriculum planners seeking a rigorous, classroom-tested framework for early-number instruction.