Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method of Instruction |
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Σελίδα v
The examples are to be performed in the mind , or by means of sensible objects , such as beans , nuts , & c . or by ... The pupil should first perform the examples in his own way , and then be made to observe and tell how he did them ...
The examples are to be performed in the mind , or by means of sensible objects , such as beans , nuts , & c . or by ... The pupil should first perform the examples in his own way , and then be made to observe and tell how he did them ...
Σελίδα vii
every example which he performs , he is obliged to go through a complete demonstration of the principle by which he does ... These principles are sufficient to enable the pupil to perform almost all kinds of examples that ever occur .
every example which he performs , he is obliged to go through a complete demonstration of the principle by which he does ... These principles are sufficient to enable the pupil to perform almost all kinds of examples that ever occur .
Σελίδα 138
30 men can perform a piece of work in 20 days ; how many men will it take to perform the same work in 8 days ? 162. 17 men can perform a piece of work in 25 days ; in how many days would 5 men perform the sarde work ? 163.
30 men can perform a piece of work in 20 days ; how many men will it take to perform the same work in 8 days ? 162. 17 men can perform a piece of work in 25 days ; in how many days would 5 men perform the sarde work ? 163.
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added answer apples barrel cost barrel of flour bought build bushel bushels of wheat called cents apiece cloth cost common contained cost 2 dollars count denominator divided division dollars dollars a barrel dollars a yard eight eighteen eleven equal examples farthings feet fifteen fifths five four Fourteen fourths fractions gain gallons gave give given half halves horse hundred weight instructer interest lars less manner miles months nails nine Nineteen ninths operations oranges paid pence perform persons piece pints plate pole pound practical principles pupil quarters quarts questions Reduce rods School serve seven seventeen sevenths sheep shillings shows Sixteen sixths sold square tell tenths thing third Thirteen twelve twenty understand week whole worth yards cost yards of cloth