A manual of arithmetic, consisting of dictation exercises, hints on methods of teaching, etc. to which is appended a key to Waltons' illustrative practical arithmetic / by George A. Walton and Electa N.L. Walton. (Waltons' manual and key)
A manual of arithmetic, consisting of dictation exercises, hints on methods of teaching, etc. to which is appended a key to Waltons' illustrative practical arithmetic / by George A. Walton and Electa N.L. Walton.