A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual Course, Designed for Schools and AcademiesRobert S. Davis & Company, 1858 - 154 σελίδες |
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Σελίδα 4
... equal , or equal to , and denotes that the quantities between which it is placed are equal the one to the other ; as 12 inches = 1 foot . 2. The sign of addition , an erect cross , + , is read plus , and , or added to , and denotes that ...
... equal , or equal to , and denotes that the quantities between which it is placed are equal the one to the other ; as 12 inches = 1 foot . 2. The sign of addition , an erect cross , + , is read plus , and , or added to , and denotes that ...
Σελίδα 34
... equal classes ; how many pupils are there in each class ? LESSON XV . 1. Nine are how many times 3 ? 2. Eleven are how many times 4 ? NOTE . 11 are as many times 4 as 4 is contained in 11 , which are 2 times and 3 over , or 2 times and ...
... equal classes ; how many pupils are there in each class ? LESSON XV . 1. Nine are how many times 3 ? 2. Eleven are how many times 4 ? NOTE . 11 are as many times 4 as 4 is contained in 11 , which are 2 times and 3 over , or 2 times and ...
Σελίδα 39
... equal quantities to 5 persons ; how many bushels did he sell to each person ? 32. A boy on the way to market with 19 fishes , lost 5 of them ; the rest he sold for 75 cents ; how much apiece did he get for those he sold ? 33. William ...
... equal quantities to 5 persons ; how many bushels did he sell to each person ? 32. A boy on the way to market with 19 fishes , lost 5 of them ; the rest he sold for 75 cents ; how much apiece did he get for those he sold ? 33. William ...
Σελίδα 42
... equal parts , one of those parts is called one fourth ; when into two equal parts , one of those parts is called one half ; when into three equal parts , one of those parts is called one third , & c . 14. What cost 20 yards of cambric ...
... equal parts , one of those parts is called one fourth ; when into two equal parts , one of those parts is called one half ; when into three equal parts , one of those parts is called one third , & c . 14. What cost 20 yards of cambric ...
Σελίδα 50
... equal to how many yards ? 11. At 3 cents a nail , how much will 3 ells Eng- lish of cloth cost ? 12. If 5 nails of cloth cost 25 cents , what cost 5 yards ? LESSON XXII . TABLE OF SURFACE , OR SQUARE MEASURE . 144 Square inches ( sq ...
... equal to how many yards ? 11. At 3 cents a nail , how much will 3 ells Eng- lish of cloth cost ? 12. If 5 nails of cloth cost 25 cents , what cost 5 yards ? LESSON XXII . TABLE OF SURFACE , OR SQUARE MEASURE . 144 Square inches ( sq ...
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Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 days 20 per cent 50 cents 9 cents 9 dollars acres amount of $200 barrel of flour bought boys bushel cost bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece cistern contained cords of wood cows decimal decimal fraction dimes dollar a bushel dollars a yard earn eight equal factors fifths fourths fraction furlongs gain $6 gallons gave Harry Hubbard hogshead hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC miles an hour molasses months and 20 Multiply NOTE oranges ounces paid pecks pence pennyweights pints pounds of butter pounds of sugar present worth quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths subtract tens third tons of hay weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 55 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 115 - ... miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4.
Σελίδα 100 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 52 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 108 - The Dividend is the number to be divided. The Divisor is the number by which we divide.
Σελίδα 47 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 48 - 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 116 - A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern ? 10.
Σελίδα 57 - TABLE. 12 units make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units " 1 score. 24 sheets of paper " 1 quire. 20 quires " 1 ream. 56 pounds " 1 bushel of corn. 60 pounds " 1 bushel of wheat. 196 pounds " 1 barrel of flour. 200 pounds « { l bari;el, of beef, pork
Σελίδα 53 - TABLE. 1728 cubic inches (cu. in.) make 1 cubic foot, ...... cu. ft. 27 cubic feet