Benjamin Greenleaf

• A Key to the Introduction to the National Arithmetic
• A Key to the Introduction to The National Arithmetic: Exhibiting the Operation of the More ..
• A Key to the Introduction to The National Arithmetic: For the Use of Teachers Only
• A Mental Arithmetic on the Inductive Plan: Being an Advanced Intellectual Course Designed for ..
• A Practical Treatise on Algebra: Designed for the Use of Students in High Schools and Academies
• Elements of Plane and Spherical Trigonometry: With Practical Applications
• Introduction to the National Arithmetic ..
• Introduction to The National Arithmetic, on the Inductive System
• Key to the New Practical Arithmetic, With Answers to Exercises in the New Elementary Arithmetic
• Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of Mental Arithmetic
• New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners / by the Editor ...
• New Practical Arithmetic - In Which The Science And Its Applications Are Simplified By Induction And Analysis