The Normal Union Arithmetic: Designed as the Primary Part of a Shorter Course in Mental and Written Arithmetic, Μέρος 1Sower, Potts & Company, 1878 - 152 σελίδες |
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Σελίδα 11
... leaves how many books ? Pu . PILS : " One book . " Let the teacher now take the arithmetical frame , and proceed in the same way , increasing 2 , 3 , 4 , etc. , up to 12 by one , and dimin- ishing 3 , 4 , 5 , 6 , etc. , up to 13 by one ...
... leaves how many books ? Pu . PILS : " One book . " Let the teacher now take the arithmetical frame , and proceed in the same way , increasing 2 , 3 , 4 , etc. , up to 12 by one , and dimin- ishing 3 , 4 , 5 , 6 , etc. , up to 13 by one ...
Σελίδα 14
... leaves 7 2 from 3 leaves 1 2 from 4 leaves 2 2 from 10 leaves 8 2 from 5 leaves 3 2 from 11 leaves 9 2 from 6 leaves 4 2 from 12 leaves 10 2 from 7 leaves 5 2 from 13 leaves 11 2 from 8 leaves 6 2 from 14 leaves 12 4. Mary had 5 oranges ...
... leaves 7 2 from 3 leaves 1 2 from 4 leaves 2 2 from 10 leaves 8 2 from 5 leaves 3 2 from 11 leaves 9 2 from 6 leaves 4 2 from 12 leaves 10 2 from 7 leaves 5 2 from 13 leaves 11 2 from 8 leaves 6 2 from 14 leaves 12 4. Mary had 5 oranges ...
Σελίδα 16
... leaves 4 3 from 8 leaves 5 3 from 9 leaves 6 3 from 10 leaves 7 3 from 11 leaves 8 3 from 12 leaves 9 3 from 13 leaves 10 3 from 14 leaves 11 3 from 15 leaves 12 4. Mary had 6 cakes and gave her brother 3 cakes ; how many cakes had Mary ...
... leaves 4 3 from 8 leaves 5 3 from 9 leaves 6 3 from 10 leaves 7 3 from 11 leaves 8 3 from 12 leaves 9 3 from 13 leaves 10 3 from 14 leaves 11 3 from 15 leaves 12 4. Mary had 6 cakes and gave her brother 3 cakes ; how many cakes had Mary ...
Σελίδα 18
... leaves 8 4 from 7 leaves 3 4 from 8 leaves 4 4 from 13 leaves 9 4 from 14 leaves 10 4 from 9 leaves 5 4 from 10 leaves 6 4 from 15 leaves 11 4 from 16 leaves 12 4. Mary had 6 roses , and gave her mother 4 roses ; how many roses did Mary ...
... leaves 8 4 from 7 leaves 3 4 from 8 leaves 4 4 from 13 leaves 9 4 from 14 leaves 10 4 from 9 leaves 5 4 from 10 leaves 6 4 from 15 leaves 11 4 from 16 leaves 12 4. Mary had 6 roses , and gave her mother 4 roses ; how many roses did Mary ...
Σελίδα 20
... leaves 1 5 from 7 leaves 2 5 from 8 leaves 3 5 from 9 leaves 4 5 from 10 leaves 5 5 from 11 leaves 6 5 from 12 leaves 7 5 from 13 leaves 8 5 from 14 leaves 9 5 from 15 leaves 10 5 from 16 leaves 11 5 from 17 leaves 12 4. James is 9 ...
... leaves 1 5 from 7 leaves 2 5 from 8 leaves 3 5 from 9 leaves 4 5 from 10 leaves 5 5 from 11 leaves 6 5 from 12 leaves 7 5 from 13 leaves 8 5 from 14 leaves 9 5 from 15 leaves 10 5 from 16 leaves 11 5 from 17 leaves 12 4. James is 9 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 leaves ADDITION TABLE apples Arithmetic barrel birds bought boys bushels called cents a yard ciphers common fraction composite number contained count backward cows cubic decimal point denominator dimes Dividing for Quotients DIVISION TABLE dollars dozen drams drill the pupils DRY MEASURE eighths equal farthings feet fifths fourths frac gallons gave grains greatest common divisor horses cost hundred hundredths hundredweight improper fraction inches least common multiple less LESSON marbles Mary MEASURE MENTAL EXERCISES miles minuend minus MULTIPLICATION TABLE NOTE.-The teacher OPERATION oranges ounces peaches pence pennyweights pints pounds prime factors quarts reading and writing Reduce remained rods roses RULE.-I sevenths sheep shillings simple numbers sixths slate or blackboard sold SOLUTION.-If SOLUTION.-Three subtraction table subtrahend symbols tenths thirds thousand trees TROY WEIGHT UNITED STATES MONEY write the numbers Write the subtraction writing numbers WRITTEN EXERCISES yards of cloth yards of muslin
Δημοφιλή αποσπάσματα
Σελίδα 107 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Σελίδα 140 - What is 1 ninth of 1 ? of 2? of 3 ? of 4 ? of 5 ? of 6 ? of 7 ? of 8? of 9 ? of 10 ? of- 11?
Σελίδα 121 - I. Annex ciphers to the numerator, and divide by the denominator. II. Point off as many decimal places in the quotient as there are ciphers used.
Σελίδα 138 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them.
Σελίδα 111 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 124 - Divide as in whole numbers, and point off as many figures for decimals in the quotient as the number of decimal places in the dividend exceeds the number in the divisor.
Σελίδα 138 - Divide the given number by any prime number greater than 1, that is an exact divisor, and the quotient, if composite, in the same manner ; and thus continue until the quotient is prime. The divisors and the last quotient will be the prime factors required.
Σελίδα 101 - Apothecaries' Weight 20 grains (gr.) = 1 scruple (3) 3 scruples = 1 dram (3) 8 drams = 1 ounce ( 3 ) 12 ounces = 1 pound...
Σελίδα 69 - Edwin lost 9 marbles, which is 3 fourths of what he had at first; how many had he at first? 6. Ten is 2 thirds of what number? SOLUTION. — If 2 thirds of some number is 10, 1 third of that number is 1 half of 10, which is 5, and 3 thirds, or the number, arc 3 times 5, or 15.