New Mental ArithmeticClark & Maynard, 1876 - 144 σελίδες |
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Σελίδα 17
... adding to each of the digits . It passes from familiar objects that are present , to those that are absent . 1. The teacher holding up a book , asks , How many books have I in my hand ? " One book . " 2. How many in the other hand ...
... adding to each of the digits . It passes from familiar objects that are present , to those that are absent . 1. The teacher holding up a book , asks , How many books have I in my hand ? " One book . " 2. How many in the other hand ...
Σελίδα 20
... added to 8 letters ? 3 from 11 leaves how many ? 10. If you pay 9 cents for a slate , and 3 cents for a lead pencil , how much will you pay for both ? 11. George bought a banana for 7 cents and a lemon for 3 cents , how much did he pay ...
... added to 8 letters ? 3 from 11 leaves how many ? 10. If you pay 9 cents for a slate , and 3 cents for a lead pencil , how much will you pay for both ? 11. George bought a banana for 7 cents and a lemon for 3 cents , how much did he pay ...
Σελίδα 26
... added to 9 lemons are how many ? 4. A dairywoman sold 5 cheeses , and has 9 left : how many had she at first ? 5 ... adding columns of single figures , should be supplemented by the teacher until the class can add with accuracy and ...
... added to 9 lemons are how many ? 4. A dairywoman sold 5 cheeses , and has 9 left : how many had she at first ? 5 ... adding columns of single figures , should be supplemented by the teacher until the class can add with accuracy and ...
Σελίδα 39
... adding and subtracting by decades . To secure the full benefit of these exercises , the questions , as soon as the principle is understood , should be put and answered with as much rapidity as con- sistent with distinctness . 1. How ...
... adding and subtracting by decades . To secure the full benefit of these exercises , the questions , as soon as the principle is understood , should be put and answered with as much rapidity as con- sistent with distinctness . 1. How ...
Σελίδα 40
... many are 19 less 10 ? IO ? 29 less 10 ? 49 less 10 ? IO ? 79 less 10 ? 99 less 10 ? 78 less 10 ? 49 and 10 ? 39 and 69 and 10 ? 89 and 39 less 10 ? 59 less 69 less 10 ? 89 less LESSON XII . 1. How many are 20 and 2 40 SUBTRACTING ADDING ...
... many are 19 less 10 ? IO ? 29 less 10 ? 49 less 10 ? IO ? 79 less 10 ? 99 less 10 ? 78 less 10 ? 49 and 10 ? 39 and 69 and 10 ? 89 and 39 less 10 ? 59 less 69 less 10 ? 89 less LESSON XII . 1. How many are 20 and 2 40 SUBTRACTING ADDING ...
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12 cents 12 leaves 24 dollars 30 less 33 cents 50 cents 60 cents 70 less 9 cents 9 dollars 9 leaves ANALYSIS.-If apples cost barrel of flour blackboard bought bushels called cents a pound cents a quart cents a yard cents apiece cents will buy chestnuts contained Copy and divide costs 2 cents count backward counters cubic denominations denote dimes divide the following dollars a barrel dollars a yard dollars apiece dols DRY MEASURE eight equal farthings feet fifths figures fingers Four fourths gallons George half dollars halves hundred inches leaves 9 lemons less 9 LESSON XI marbles MENTAL ARITHMETIC miles an hour month Nine oranges ounces paid peaches pecks pence pencils pennyweights pints pupils shillings slate TABLE teacher TEACHERS.-The object tens tenths thirds three-cent pieces tons trees TROY WEIGHT unit marks week yard cost yards of silk ΙΟ
Δημοφιλή αποσπάσματα
Σελίδα 133 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 109 - A Fraction is one or more of the equal parts into which a unit is divided.
Σελίδα 125 - 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 26 - ... and 4 are 9 6 and 4 are 10 7 and 4 are 11 8 and 4 are 12 5 and 5 are 10 6 and 5 are 11 7 and 5 are 12 8 and 5 are 13 5 and 6 are 11 6 and 6 are 12 7 and 6 are 13 8 and 6 are 14 5 and 7 are 12 6 and 7 are 13 7 and 7 are 14 8 and 7 are 15 5 and 8 are 13 6 and 8 are 14 7...
Σελίδα 124 - TABLE. 4 farthings (far.) equal 1 penny, d. 12 pence . . . "1 shilling, s. 20 shillings . . "1 pound or sovereign, £. 21 shillings . . "1 guinea, . . . G.
Σελίδα 140 - The terms folio, quarto, octavo, duodecimo, etc., indicate the number of leaves into which a sheet of paper is folded. A sheet folded in 2 leaves is called a Folio.
Σελίδα 68 - ... time. 5 in 10 2 times. 5 in 15 3 times. 5 in 20 4 times. 5 in 25 5 times. 5 in 30 6 times. 5 in 35 7 times. 5 in 40 8 times. 5 in 45 9 times. 5 in 50 10 times.
Σελίδα 53 - A traveler paid 4 dollars a day for hoard at a hotel : how much did he pay for 7 days ? 3. In 1 yard there are 3 feet: how many feet are there in 7 yards ? 4. At five dollars a gallon, what will 7 gallons of port wine come to ? 5. If a man walks 6 miles an hour, how far will he walk in 7 hours ? 6. What will 7 quarts of milk cost, at 8 cents a quart ? 7. At 9 dollars each, what will 7 tables cost ? 8. If 1 horse eats ю quarts of oats in a day, how much will 7 horses eat?
Σελίδα 67 - ... 4 in 4 1 time. 4 in 8 2 times. 4 in 12 3 times. 4 in 16 4 times. 4 in 20 5 times. 4 in 24 6 times. 4 in 28 7 times. 4 in 32 8 times.
Σελίδα 132 - Dry Measure is used in measuring such dry articles as grain, fruit, roots, coal, etc. Table. 2 pints (pt.) are 1 quart, qt. 8 quarts, 1 peck, pk. 4 pecks, 1 bushel, bu. A gallon, or 4 quarts, Dry Measure, contains 268^ cubic inches, and a bushel, 2150^,, cubic inches.