1-19 of 19 Books

Addition and subtraction
By Thomas P. Carpenter,James M. Moser,Thomas A. Romberg

Fast Facts: Addition & Subtraction
By Susan Dillon

Shapes, Halves, and Symmetry
By Douglas H. Clements

Brainy Book of Addition and Subtraction
By Thinking Kids,Carson-Dellosa Publishing

Grow to Know Subtraction
By Kumon Publishing North America

Minilessons for Extending Addition and Subtraction: A Yearlong Resource (Contexts for Learning Mathematics)
By Willem Uttenbogaard,Catherine Twomey Fosnot