The American Common-school Arithmetic: In which the Principles of the Science are Fully Explained and Applied to the Solution of a Great Variety of Practical Examples : Designed for the Use of Common Schools and Academies
Tappan, Whittemore & Mason, 1850 - 264 σελίδες
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American Common-School Arithmetic: In Which the Principles of the Science ...
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acres added amount answer apples arithmetic balance bank barrels base bill bought bushels called cash cent common compound contain cords corn cost cube cubic decimals denominator diameter difference discount Divide dividend division divisor dollars equal example expressed factors feet feet long figures flour fraction gain gallons Give given half hundred hundredths inches interest length less measure merchant miles months Multiply paid payment perform person pounds principal proportion pupil questions quotient ratio received Reduce remainder Repeat rods root rule sell shillings side sold solid square subtract surface tens tenths thick third thousand thousandths units weight whole wide worth Write written yards
Σελίδα 67 - 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 85 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change.
Σελίδα 81 - The least common multiple of two or more numbers, is the least number that can be divided by each of them without a remainder.
Σελίδα 87 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 198 - Multiply £ the sum of the extremes by the number of terms, and the product will be the answer 10.
Σελίδα 232 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Σελίδα 170 - If 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep, in how many days, of 9 hours each, will 24 men dig a trench 420 yards long, 5 wide, and 3 deep ? Here the number of days, in which the proposed work can be done, depends on five circumstances, viz.
Σελίδα 23 - Hence it follows, we must always point off in the product as many places for decimals as there are decimal places in both factors. 2. Multiply '75 by '25. OPERATION. In this example, we have 4 de'75 cimal places in both factors ; we '25 must therefore point off 4 places for decimals in the product.