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Mental Arithmetic
Combining A Complete System Of Rapid Computations, With Correct Logic Of The Solutions Of Problems, And The Analyses Of Processes »
Combining A Complete System Of Rapid Computations, With Correct Logic Of The Solutions Of Problems, And The Analyses Of Processes »
Common School Arithmetic
Combining The Elements Of The Science With Their Practical Applications To Business »
Combining The Elements Of The Science With Their Practical Applications To Business »
Second Book In Arithmetic
Comprising Four Years Of Oral And Written Work In The Elements Of Numbers »
Comprising Four Years Of Oral And Written Work In The Elements Of Numbers »
Elementary Arithmetic For The Slate
In Which Methods And Rules Are Based Upon Principles Established By Induction »
In Which Methods And Rules Are Based Upon Principles Established By Induction »
Elementary Arithmetic, For The Slate
In Which Methods And Rules Are Based Upon Principles Established By Induction »
In Which Methods And Rules Are Based Upon Principles Established By Induction »
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