Arithmetic [elementary, Intermediate, Advanced].
Atkinson, Mentzer & Company, 1914
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acres added amount average bank bill block bushels called cent certain Change ciphers circle common common fraction contain cost cubic feet cubic inches decimal denominator difference discount Divide dividend division divisor dollars Draw eleven equal feet long fifteen figures Find five fluid ounce foot four Fourteen fraction gallons grains half hold hundred hundredths increased indicated interest land length means measure miles mills minutes months Multiply nine one-half one-third ounces pass period pieces pints places population pounds practice principal problem pupil quarter quarts quotient receive Reduce remainder rods saved sells seven side silver sold square inches subtract third thirteen thousand triangle Troy twelve twenty unit weight whole number wide worth Write written yards
Page 256 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 116 - 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.
Page 141 - The square described on the hypotenuse of a rightangled triangle is equal to the sum of the squares described on the sides containing the right angle. Prop. 30. — If the square on one side of a triangle is equal to the sum of the squares on the other two sides, the angle contained by these two sides is a right angle.
Page 256 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Page 256 - Weight This is used to. some extent in filling prescriptions. The grain, ounce, and pound are the same as in troy weight, but the ounce is divided differently. 20 grains (gr.) = 1 scruple . . . sc. or 3 3 scruples = 1 dram . . . dr. or 3 8 drams = 1 ounce . . . oz. or 5 12 ounces = 1 pound . . . Ib. or ft Apothecaries...
Page 194 - When you divide a decimal by an integer (a whole number) point off as many decimal places in the quotient as there are in the dividend.
Page 138 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
Page 132 - Similarly, if the sum of the digits of a number is divisible by 3, the number is divisible by 3.