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 6
... adding the multiplier to the preceding product ; thus , since 6 times 4 is 24 , 6 times 5 is 24 plus 6 , or 30 . 5. Care should be taken that the pupils ' language be free from all those awkward expressions so common to learners ; each ...
... adding the multiplier to the preceding product ; thus , since 6 times 4 is 24 , 6 times 5 is 24 plus 6 , or 30 . 5. Care should be taken that the pupils ' language be free from all those awkward expressions so common to learners ; each ...
Σελίδα 11
... adding with his fingers , with strokes , etc. 2. Addition and subtraction should be taught together in primary oral instruction . This is evident , since the two ideas are logically related . Thus , as soon as the pupil learns that 2 ...
... adding with his fingers , with strokes , etc. 2. Addition and subtraction should be taught together in primary oral instruction . This is evident , since the two ideas are logically related . Thus , as soon as the pupil learns that 2 ...
Σελίδα 12
... Adding and Subtracting by Ones . HENRY had 1 apple , and his father gave him 1 apple ; how many apples had he then ? SOLUTION . - Henry then had 1 apple and 1 apple , which are 2 apples . 2. Mary had 2 pins , and her sister gave her 1 ...
... Adding and Subtracting by Ones . HENRY had 1 apple , and his father gave him 1 apple ; how many apples had he then ? SOLUTION . - Henry then had 1 apple and 1 apple , which are 2 apples . 2. Mary had 2 pins , and her sister gave her 1 ...
Σελίδα 13
... Adding by Twos . HOW many cents are 2 cents and 2 cents ? SOLUTION . - 2 cents and 2 cents are 4 cents . 2. How many are 1 and 2 ? 2 and 2 ? 3 and 2 ? 4 and 2 ? 5 and 2 ? 6 and 2 ? 3. How many are 7 and 2 ? 8 and 2 ? 9 and 2 ? 10 and 2 ...
... Adding by Twos . HOW many cents are 2 cents and 2 cents ? SOLUTION . - 2 cents and 2 cents are 4 cents . 2. How many are 1 and 2 ? 2 and 2 ? 3 and 2 ? 4 and 2 ? 5 and 2 ? 6 and 2 ? 3. How many are 7 and 2 ? 8 and 2 ? 9 and 2 ? 10 and 2 ...
Σελίδα 14
... 2 One Hundred . Two Hundred . Three Hundred . Five Hundred . 200 300 500 100 NOTE . - The teacher will drill the pupil in reading and writing numbers from 100 to 500 . LESSON IV . Adding by Threes . HOW many are 14 PRIMARY ARITHMETIC .
... 2 One Hundred . Two Hundred . Three Hundred . Five Hundred . 200 300 500 100 NOTE . - The teacher will drill the pupil in reading and writing numbers from 100 to 500 . LESSON IV . Adding by Threes . HOW many are 14 PRIMARY ARITHMETIC .
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.