Cobb's Explanatory Arithmetick, No. 1 ...Harper & brothers, 1834 - 108 σελίδες |
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Σελίδα 42
... Addition . Q. Why do you begin at the right hand to substract ? A. Because figures increase from the right hand to the left . Q. What is the figure or upper line in Sub- straction called ? A. It is called the minuend . Q. Why is 42 COBB'S.
... Addition . Q. Why do you begin at the right hand to substract ? A. Because figures increase from the right hand to the left . Q. What is the figure or upper line in Sub- straction called ? A. It is called the minuend . Q. Why is 42 COBB'S.
Σελίδα 43
... minuend is than the subtrahend . Q. When all the numbers or figures of the subtrahend are less than the numbers or figures in the minuend , how must they be substracted ? A. Substract and find the difference between them , and place it ...
... minuend is than the subtrahend . Q. When all the numbers or figures of the subtrahend are less than the numbers or figures in the minuend , how must they be substracted ? A. Substract and find the difference between them , and place it ...
Σελίδα 44
... minuend . Then place the 14 directly under the 18 , that is , the 4 units directly under the 8 units , and the 1 ten 18 directly under the other ten , thus : then say , 14 4 from 8 leaves 4. Set down the 4 in the place of units . Then ...
... minuend . Then place the 14 directly under the 18 , that is , the 4 units directly under the 8 units , and the 1 ten 18 directly under the other ten , thus : then say , 14 4 from 8 leaves 4. Set down the 4 in the place of units . Then ...
Σελίδα 45
... minuend must be equal to the minuend ; and , therefore , the sum is right . You may prove Substraction by another method . Substract the difference from the minuend ; and if the difference between the first difference and the minuend be ...
... minuend must be equal to the minuend ; and , therefore , the sum is right . You may prove Substraction by another method . Substract the difference from the minuend ; and if the difference between the first difference and the minuend be ...
Σελίδα 46
... minuend . 34 subtrahend . Here , as before , you must first inquire which of the two numbers is the larger one ; find is 75. You must then place the 34 directly under the 75 ; and beginning with the 4 , you must say , 4 from 5 leaves 1 ...
... minuend . 34 subtrahend . Here , as before , you must first inquire which of the two numbers is the larger one ; find is 75. You must then place the 34 directly under the 75 ; and beginning with the 4 , you must say , 4 from 5 leaves 1 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
13 leaves 15 dollars ২৩ 9 leaves added Addition apples barrels of flour begin bushels bushels of wheat called carry cents a yard cipher Cobb's JUVENILE READER contained Dictionary difference divided dividend Division divisor dred drover bought eight equal EXAMPLES For Exercise EXAMPLES For Mental exceed 12 farmer sold five Genesee river gentleman hundreds of thousands larger number lars leaves 11 leaves 9 left hand lower line merchant bought miles minuend multiplicand multiplier nine Notation and Numeration Note.-TO TEACHERS numbers or figures operation oranges orthoepy paid place of hundreds place of tens place of thousands place of units place the product places of figures pounds preterits principles proceeding quotient remainder right hand figure scholar Slate Spelling-Book square miles Substraction subtrahend tens of thousands tens under tens twelve upper line whole number write York York Evening Journal York Evening Post
Δημοφιλή αποσπάσματα
Σελίδα 83 - 14 2 " 16 2 " 18 2 " 20 2 " 22 2 " 24 3 " 21 3 " 24 3 " 27 3 " 30 3 " 33 3 " 36 4 " 28 4 « 32 4 " 36 4 " 40 4 « 44 4 " 48 5 " 35 5 " 40 5 " 45 5 " 50 5 " 55 5
Σελίδα 84 - 14 2 " 16 2 " 18 2 " 20 2 " 22 2 " 24 3 " 21 3 " 24 3 " 27 3 " 30 3 " 33 3 " 36 4 " 28 4 « 32 4 " 36 4 " 40 4 « 44 4 " 48 5 " 35 5 " 40 5 " 45 5 " 50 5 " 55 5
Σελίδα 57 - ... 5 times 1 are 5 5 times 2 are 10 5 times 3 are 15 5 times 4 are 20 5 times 5 are 25 5 times 6 are 30 5 times 7 are 35 5 times 8 are 40 5 times 9 are 45 5 times 10 are 50 5 times 11 are 55 5 times 12 are 60...
Σελίδα 83 - ... 6 in 36, 6 times 6 in 42, 7 times 6 in 48, 8 times 6 in 54, 9 times 3 in 3, 1 time 3 in 6, 2 times 3 in 9, 3 times 3 in 12, 4 times 3 in 15, 5 times 3 in 18, 6 times 3 in 21, 7 times 3 in 24, 8 times 3 in 27, 9 times...
Σελίδα 82 - When the multiplier is 10, 100, 1000, or 1 with any number of ciphers annexed, annex as many ciphers to the multiplicand as there are ciphers in the multiplier, and the multiplicand, so increased, will be the product required.
Σελίδα 57 - ... are 24 3 times 1 are 3 3 times 2 are 6 3 times 3 are 9 3 times 4 are 12 3 times 5 are 15 3 times 6 are 18 3 times 7 are 21 3 times 8 are 24 3 times 9 are...
Σελίδα 100 - Cut off as many figures from the right of the dividend as there are ciphers...
Σελίδα 39 - ... leaves 10 8 from 8 leaves 0 8 from 9 leaves 1 8 from 10 leaves 2 8 from 11 leaves 3 8 from 12 leaves 4 8 from 13 leaves 5 8 from 14 leaves 6 8 from 15 leaves 7 8 from 16 leaves 8 8 from 17 leaves 9 8 from 18 leaves 10...
Σελίδα 48 - General Washington was born in 1732, and died in 1799: how old was he when he died?
Σελίδα 97 - ... dividend used, and to the remainder bring down the next figure of the dividend, which is 0, making 20, for the second partial dividend.