
This comprehensive guide to arithmetic instruction was first published in 1863 and became a standard text in American schools. Robinson's method emphasizes the use of concrete examples and problem-solving, and includes clear explanations of key concepts. This work has...

This comprehensive guide to arithmetic instruction was first published in 1863 and became a standard text in American schools. Robinson's method emphasizes the use of concrete examples and problem-solving, and includes clear explanations of key concepts. This work has...