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
... birds on a tree , and 1 bird flew away ; how many birds remained ? 11. How many are 2 less 1 ? 3 less 1 ? 4 less 1 ? 5 less 1 ? 6 less 1 ? 7 less 1 ? 8 less 1 ? 9 less 1 ? 10 less 1 ? WRITTEN EXERCISES . 1 1 1 1 1 1 1 1 5 1 8 7 9 6 10 ...
... birds on a tree , and 1 bird flew away ; how many birds remained ? 11. How many are 2 less 1 ? 3 less 1 ? 4 less 1 ? 5 less 1 ? 6 less 1 ? 7 less 1 ? 8 less 1 ? 9 less 1 ? 10 less 1 ? WRITTEN EXERCISES . 1 1 1 1 1 1 1 1 5 1 8 7 9 6 10 ...
Σελίδα 13
... birds ; how many birds has Mary ? 7. Begin at 2 and count by 2's to 14. Begin at 1 and count by 2's to 13 . NOTE . - Teach the children the use of + and , and have them write the addition table on the board , using these symbols ...
... birds ; how many birds has Mary ? 7. Begin at 2 and count by 2's to 14. Begin at 1 and count by 2's to 13 . NOTE . - Teach the children the use of + and , and have them write the addition table on the board , using these symbols ...
Σελίδα 16
... birds on a tree and 3 flew away ; how many birds remained ? 7. Subtract by 3's from 15 to naught ; from 14 to 2 ; from 13 to 1 . 8. Write the subtraction table for threes on the slate or blackboard , using the signs — and = . WRITTEN ...
... birds on a tree and 3 flew away ; how many birds remained ? 7. Subtract by 3's from 15 to naught ; from 14 to 2 ; from 13 to 1 . 8. Write the subtraction table for threes on the slate or blackboard , using the signs — and = . WRITTEN ...
Σελίδα 20
... 350 341 One Thousand , Two Thousand , 1000 2000 Five Thousand , 5000 NOTE . - The teacher will show pupils how to read and write num . bers from 1000 to 5000 . LESSON X. Adding by Sixes . HOW many birds are 20 PRIMARY ARITHMETIC .
... 350 341 One Thousand , Two Thousand , 1000 2000 Five Thousand , 5000 NOTE . - The teacher will show pupils how to read and write num . bers from 1000 to 5000 . LESSON X. Adding by Sixes . HOW many birds are 20 PRIMARY ARITHMETIC .
Σελίδα 21
... birds are 2 birds and 6 birds ? SOLUTION . - Two birds and birds are 8 birds . 2. How many are 2 and 6 ? 4 and 6 ? 6 and 6 ? 5 and 6 ? 3 and 6 ? 1 and 6 ? 3. How many are 7 and 6 ? 9 and 6 ? 11 and 6 ? 8 and 6 ? 10 and 6 ? 12 and 6 ...
... birds are 2 birds and 6 birds ? SOLUTION . - Two birds and birds are 8 birds . 2. How many are 2 and 6 ? 4 and 6 ? 6 and 6 ? 5 and 6 ? 3 and 6 ? 1 and 6 ? 3. How many are 7 and 6 ? 9 and 6 ? 11 and 6 ? 8 and 6 ? 10 and 6 ? 12 and 6 ...
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.