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
... reduced one half , and yet the chain of logic is preserved intact and nothing essential is omitted . The subject is made interesting and practical by the introduction of Theorems for original demonstration , Prac- tical Problems ...
... reduced one half , and yet the chain of logic is preserved intact and nothing essential is omitted . The subject is made interesting and practical by the introduction of Theorems for original demonstration , Prac- tical Problems ...
Σελίδα 71
... wheat , which is of what he raised ; how much did he raise ? 5. A man lost in business 5760 dollars , which was of his fortune ; what was his fortune ? LESSON XII . Reducing Numbers to Fractions . HOW many PRIMARY ARITHMETIC . 71.
... wheat , which is of what he raised ; how much did he raise ? 5. A man lost in business 5760 dollars , which was of his fortune ; what was his fortune ? LESSON XII . Reducing Numbers to Fractions . HOW many PRIMARY ARITHMETIC . 71.
Σελίδα 72
... Reducing Numbers to Fractions . HOW many thirds are there in 2 ? SOLUTION . - In one there are 3 thirds , and in 2 there ... reduce 17 to eighths , we multiply the 17 by 8 and add the 3 to the product , and we have 12. 132 2. How many ...
... Reducing Numbers to Fractions . HOW many thirds are there in 2 ? SOLUTION . - In one there are 3 thirds , and in 2 there ... reduce 17 to eighths , we multiply the 17 by 8 and add the 3 to the product , and we have 12. 132 2. How many ...
Σελίδα 73
... Reducing Fractions to Numbers . HOW many whole apples in 6 halves of an apple ? SOLUTION . - In one there are 2 ... reduce 2 to ones , we divide 24 by 5 , and have 4 . 2. How many ones in 4 ? In ? In 72 ? 5 ) 24 4 # 3. How many ones ...
... Reducing Fractions to Numbers . HOW many whole apples in 6 halves of an apple ? SOLUTION . - In one there are 2 ... reduce 2 to ones , we divide 24 by 5 , and have 4 . 2. How many ones in 4 ? In ? In 72 ? 5 ) 24 4 # 3. How many ones ...
Σελίδα 113
... Reducing Numbers to Fractions . 7. Changing the form of a fraction without changing its value is called Reduction . 8. A whole number and a fraction written together form what is called a Mixed Number ; as , 41 , 3 , etc. MENTAL ...
... Reducing Numbers to Fractions . 7. Changing the form of a fraction without changing its value is called Reduction . 8. A whole number and a fraction written together form what is called a Mixed Number ; as , 41 , 3 , etc. MENTAL ...
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.