Robinson's Progressive Intellectual Arithmetic: On the Inductive Plan; Being a Sequel to the Progressive Primary Arithmetic ...Ivison, Blakeman, Taylor, 1877 - 176 σελίδες |
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Σελίδα 11
... plus three , plus two . The sign of equality is written thus , = . When placed between two numbers or quantities , it signifies that the latter is equal to the former . 1 . 6 + 4+ 5 2 . 97 3 6.1 11 INTELLECTUAL ARITHMETIC .
... plus three , plus two . The sign of equality is written thus , = . When placed between two numbers or quantities , it signifies that the latter is equal to the former . 1 . 6 + 4+ 5 2 . 97 3 6.1 11 INTELLECTUAL ARITHMETIC .
Σελίδα 19
... equal to 5 tens and 7 units , and 34 is equal to 3 tens and 4 units ; 3 tens from 5 tens leave 2 tens , or 20 , and 4 units from 7 units leave 3 units , which added to 20 make 23. Therefore , 57 - 34 23 . = 19. 39 27 are how many ? - 20 ...
... equal to 5 tens and 7 units , and 34 is equal to 3 tens and 4 units ; 3 tens from 5 tens leave 2 tens , or 20 , and 4 units from 7 units leave 3 units , which added to 20 make 23. Therefore , 57 - 34 23 . = 19. 39 27 are how many ? - 20 ...
Σελίδα 30
... equal to 20. The sign is commonly called times . 5 X 4 is read 5 times 4. · 8x11 are how many ? 6x 9 are how many ? 5x 7 are how many ? 11x10 are how many ? 8x 4 are how many ? 1. 5 × 3 are how many ? 8 . 2. 7x4 are how many ? 9 . 3. 10 ...
... equal to 20. The sign is commonly called times . 5 X 4 is read 5 times 4. · 8x11 are how many ? 6x 9 are how many ? 5x 7 are how many ? 11x10 are how many ? 8x 4 are how many ? 1. 5 × 3 are how many ? 8 . 2. 7x4 are how many ? 9 . 3. 10 ...
Σελίδα 39
... equal parts , each of the parts is called one half ; when into three equal parts , each of the parts is called one third ; when into four equal parts , each of the parts is called one fourth ; when into five equal parts , each of the ...
... equal parts , each of the parts is called one half ; when into three equal parts , each of the parts is called one third ; when into four equal parts , each of the parts is called one fourth ; when into five equal parts , each of the ...
Σελίδα 44
... equal to 3 . 6 times 6 ? 5 times 8 ? 6 times 12 ? 5 times 20 ? 3 times 25 ? 10 times 12 ? 8 times 8 ? 7 times 16 ? 1. How many times 9 are 2. How many times 4 are 3. How many times 8 are 4. How many times 10 are 5. How many times 15 are ...
... equal to 3 . 6 times 6 ? 5 times 8 ? 6 times 12 ? 5 times 20 ? 3 times 25 ? 10 times 12 ? 8 times 8 ? 7 times 16 ? 1. How many times 9 are 2. How many times 4 are 3. How many times 8 are 4. How many times 10 are 5. How many times 15 are ...
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12 cents 12 days 12 dollars 12 is contained 20 cents 20 dollars 20 per cent 50 cents 9 cents 9 dollars acres amount ANALYSIS barrel of flour bought a horse boys bushels cost bushels of corn bushels of oats bushels of wheat camphene cents a dozen cents a pound cents apiece cider cords of wood dimes divided dollars a yard drover earn eighths equals the interest farmer sold feet fifths flour cost furlongs gain or lose gain per cent gallons gave grocer bought halves hogshead horses eat improper fraction less lowest terms miles an hour mixed number molasses multiply ninths paid pair peaches pennyweights piece pints pound cost pounds of coffee pounds of sugar principal equals quarts receive Reduce remainder rods sell sevenths sheep shillings sixths trees turkeys twelfths University Algebra whole number worth yard cost yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 55 - Thirty days hath September, April. June, and November; All the rest have thirty.one, Save February, which alone Hath twenty.eight; and one day more We add to it one year in four.
Σελίδα 54 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 49 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 68 - An improper fraction is one whose numerator is equal to, or greater than its denominator ; as, $, -f . A mixed number is a whole number and a fraction expressed together; as, 4f, 25-ht.
Σελίδα 56 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 44 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 52 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 51 - MEASURE. 12 inches (in.) make 1 foot, ft. 3 feet "1 yard, yd. 5¿ yards, or 16¿ feet, " 1 rod, rd. 40 rods
Σελίδα 52 - CLOTH MEASURE. 2^ inches (in.) make 1 nail, na. 4 nails
Σελίδα 141 - The present worth of a note payable at a future time is such a sum as, put at interest at the given rate per cent, until it becomes due, will amount to the face of the note. Discount is an allowance made for the payment of money before it becomes due, and is obtained by subtracting the present worth from the given sum or face of the note. 1. What is the present worth of $180 payable in 3 years 4 months at 6 per cent.