## A Mental Arithmetic Upon the Inductive Plan: With Easy Exercises for the Slate : Designed for Primary Schools |

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### Common terms and phrases

12 cents 20 per cent 50 cents 9 cents acres added amount answer apples ARITHMETIC barrel barrel of flour bought boys bushels bushels of corn butter called cents a pound cents apiece contained cord cords of wood cost cows cubic decimal difference dimes Divide dollars dollars a yard dozen earn eight equal factors farmer feet fifths figures five four fourths fraction gain gallons gave give given greater half horse hundred hundred-weight inches interest interest of $100 James John leaves less LESSON measure miles months Multiply nine NOTE oranges ounces paid pecks piece pints principal quarters quarts receive Reduce remainder Required rods Schools sell seven sevenths sheep shillings sixths sold square subtract sugar tens thing third tons twice units weeks whole worth yards yards of cloth

### Popular passages

Page 28 - If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.

Page 122 - Multiplication is the process of taking one number as many times as there are units in another number.

Page 55 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.

Page 50 - 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.

Page 46 - 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

Page 53 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...

Page 47 - AVOIRDUPOIS WEIGHT. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred-weight, cwt. 20 Hundred-weight

Page 114 - 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.

Page 66 - When the numerator is less than the denominator, the fraction is called a proper fraction ; when the numerator is equal to or larger than the denominator, the fraction is called an improper fraction ; when a fraction is joined with a whole number, the expression is called a mixed number.