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 12
... boy buys 3 marbles , and his brother gives him marble , how many marbles had he then ? 4. A girl bought 5 roses , and her sister gave her 1 rose ; how many roses had she then ? 5. How many are 3 and 1 ? 5 and 1 ? 7 and 1 ? 4 and 1 ? 2 ...
... boy buys 3 marbles , and his brother gives him marble , how many marbles had he then ? 4. A girl bought 5 roses , and her sister gave her 1 rose ; how many roses had she then ? 5. How many are 3 and 1 ? 5 and 1 ? 7 and 1 ? 4 and 1 ? 2 ...
Σελίδα 16
... 77 32 21 13 33 22 32 31 From 365 743 569 984 872 731 474 Take 303 231 132 333 321 Six Hundred , Seven Hundred , Eight Hundred , One Thousand . 310 320 600 700 800 1000 LESSON VI . Adding by Fours . HOW many boys 16 PRIMARY ARITHMETIC.
... 77 32 21 13 33 22 32 31 From 365 743 569 984 872 731 474 Take 303 231 132 333 321 Six Hundred , Seven Hundred , Eight Hundred , One Thousand . 310 320 600 700 800 1000 LESSON VI . Adding by Fours . HOW many boys 16 PRIMARY ARITHMETIC.
Σελίδα 17
... boys are 3 boys and 4 boys ? SOLUTION . - Three boys and 4 boys are 7 boys . 2. How many are 1 and 4 ? 5 and 4 ? 4 and 4 ? 3 and 4 ? 6 and 4 ? 2 and 4 ? 3. How many are 7 and 4 ? 10 and 4 ? 8 and 4 ? 11 and 4 ? 9 and 4 ? 12 and 4 ...
... boys are 3 boys and 4 boys ? SOLUTION . - Three boys and 4 boys are 7 boys . 2. How many are 1 and 4 ? 5 and 4 ? 4 and 4 ? 3 and 4 ? 6 and 4 ? 2 and 4 ? 3. How many are 7 and 4 ? 10 and 4 ? 8 and 4 ? 11 and 4 ? 9 and 4 ? 12 and 4 ...
Σελίδα 18
... boys were playing ball , when 4 of them left ; how many remained ? 7. Write the subtraction table by fours , on the black- board or on your slates , using the signs and . - 8. Count backward by 4's , from 16 to zero ; from 15 to 3 ...
... boys were playing ball , when 4 of them left ; how many remained ? 7. Write the subtraction table by fours , on the black- board or on your slates , using the signs and . - 8. Count backward by 4's , from 16 to zero ; from 15 to 3 ...
Σελίδα 25
... boys playing ball and 9 boys looking on ; how many boys were there in all ? 4. There are 8 boys and 9 girls in a class ; how many pupils in the class ? 5. Peter lost 11 marbles , and then had 8 marbles re- maining ; how many marbles had ...
... boys playing ball and 9 boys looking on ; how many boys were there in all ? 4. There are 8 boys and 9 girls in a class ; how many pupils in the class ? 5. Peter lost 11 marbles , and then had 8 marbles re- maining ; how many marbles had ...
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.