A Mental Arithmetic: Based on Analysis and InductionAmerican Book Company, 1896 - 140 σελίδες |
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Σελίδα 2
... solution , above the principle that underlies a system of mental arithmetic , and leads to false methods of instruction . Though mental arithmetic is generally oral , and should be emi- nently practical , yet its essential feature is ...
... solution , above the principle that underlies a system of mental arithmetic , and leads to false methods of instruction . Though mental arithmetic is generally oral , and should be emi- nently practical , yet its essential feature is ...
Σελίδα 4
... solution , they are corrected either by the class or by the teacher . 2. With the Book . - By this method , the pupil is permitted to have the book . The problems are assigned promiscuously as before . The pupil to whom a problem is ...
... solution , they are corrected either by the class or by the teacher . 2. With the Book . - By this method , the pupil is permitted to have the book . The problems are assigned promiscuously as before . The pupil to whom a problem is ...
Σελίδα 5
... SOLUTION . - If Ruth had 3 cents , and Mary gave her 2 more , she then had 3 cents and 2 cents , which are 5 cents . 2. John has 2 cents , and Louis has 1 cent ; how many cents do they together have ? 3. Harry had 4 apples , and bought ...
... SOLUTION . - If Ruth had 3 cents , and Mary gave her 2 more , she then had 3 cents and 2 cents , which are 5 cents . 2. John has 2 cents , and Louis has 1 cent ; how many cents do they together have ? 3. Harry had 4 apples , and bought ...
Σελίδα 8
... SOLUTION . - If Mary had 5 cents , and lost 2 of them , she had remaining the difference between 5 cents and 2 cents , which is 3 cents . Therefore , etc. 2. Alice had 4 roses , and gave 2 of them away ; how many roses had she remaining ...
... SOLUTION . - If Mary had 5 cents , and lost 2 of them , she had remaining the difference between 5 cents and 2 cents , which is 3 cents . Therefore , etc. 2. Alice had 4 roses , and gave 2 of them away ; how many roses had she remaining ...
Σελίδα 11
... SOLUTION . - If 1 orange costs 3 cents , 2 oranges will cost 2 times 3 cents , which are 6 cents . Therefore , etc. 2. What will 2 apples cost , at 2 cents apiece ? 3. What will 2 melons cost , at 5 cents apiece ? 4. What will 2 hats ...
... SOLUTION . - If 1 orange costs 3 cents , 2 oranges will cost 2 times 3 cents , which are 6 cents . Therefore , etc. 2. What will 2 apples cost , at 2 cents apiece ? 3. What will 2 melons cost , at 5 cents apiece ? 4. What will 2 hats ...
Άλλες εκδόσεις - Προβολή όλων
A Mental Arithmetic: Based on Analysis and Induction (Classic Reprint) George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
A Mental Arithmetic: Based on Analysis and Induction George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 dollars 15 cents 40 cents 50 cents 60 days acres acres of land amount apples barrel bought a number boys bushels carriage cents a dozen cents a pound cents a yard cents apiece coal cost commission contained cows cubic decagram decimeter discount Divide dollars a head dollars apiece drover earn farmer bought farmer sold feet gain per cent gained 25 gallons hectoliter hectometer hence improper fractions kilogram least common denominator least common multiple less loss per cent lowest terms M's money marbles marked price melons cost meter miles an hour minus mixed number multiplied myriameter number of sheep oranges cost ounces paid pennyweights piece pound cost pounds of sugar received Reduce to improper remainder for cost remaining required the cost required the number rods selling price shares sheep cost SOLUTION.-If square sum of money tons Troy Weight watch weeks
Δημοφιλή αποσπάσματα
Σελίδα 69 - Thirty days hath September, April, June, and November— All the rest have thirty-one, Excepting February alone, Which has but twenty-eight in fine, Till Leap Year gives it twenty-nine.
Σελίδα 66 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 68 - Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.
Σελίδα 66 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 65 - Measure is used in measuring lines or distances. TABLE. 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards, or 16| feet — 1 rod (rd.).
Σελίδα 68 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 67 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 30 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 101 - The square root of a number is one of its two equal factors.
Σελίδα 13 - Multiplication is the process of taking one number as many times as there are units in another.