## Easy Lessons in Mental Arithmetic: Upon the Inductive Method, Adapted to the Best Mode of Instruction in Primary Schools |

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11 leaves 15 cents 9 leaves 9 less acre apple ARITHMETIC balls barrels bears blocks boat bought boys cake called caps carry catch caught cents cents apiece Change chickens cluster có có có cost count divided dollars driving Eight equal eyes feet fifths figures figures stand fishes five following tables four fourths fraction gave girls give going grew ground halves heads horse John legs lemons less LESSON little birds Mary mean miles nests nine oars Once oranges Ounce paid pair pear persons picture placed play pounds preparation Primary pupil quarts receive remain Repeat the table rest running scholars seven sheep shillings ship side sixths sold squirrels stands stems taken Teacher tens tenths thing thirds tons tops tree twelve twenty Twice whole Willie wire worth yard

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Page 94 - TABLE. 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 94 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.

Page 95 - Time. 60 seconds (S.) make 1 minute, marked M. 60 minutes, 1 hour, h. 24 hours, 1 day, d. 7 days, . 1 week, w. 4 weeks, 1 month, mo. 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone.

Page 94 - Apothecaries Weight. 20 grains (gr.) make 1 scruple, 9 3 scruples, 1 dram, 3 8 drams, 1 ounce, § 12 ounces, 1 pound, fa Apothecaries use this weight in compounding their medicines.

Page 52 - ... are 24 3 times 1 are 3 3 times 2 are 6 3 times 3 are 9 3 times 4 are 12 3 times 5 are 15 3 times 6 are 18 3 times 7 are 21 3 times 8 are 24 3 times 9 are...

Page 55 - ... 5 times 1 are 5 5 times 2 are 10 5 times 3 are 15 5 times 4 are 20 5 times 5 are 25 5 times 6 are 30 5 times 7 are 35 5 times 8 are 40 5 times 9 are 45 5 times 10 are 50 5 times 11 are 55 5 times 12 are 60...

Page 94 - Troy Weight. 24 grains (gr.) — 1 pennyweight (dwt). 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (Ib.).

Page 65 - ... 7 times 2 are 14 8 times 2 are 16 9 times 2 are 18 7 times 3 are 21 8 times 3 are 24 9 times 3 are 27...

Page 55 - ... 7 times 4 are 28 8 times 4 are 32 9 times 4 are 36 7 times 5 are 35 8 times 5 are 40 9 times 5 are 45...

Page 64 - Recite the table : — 2 in 2, once. 2 in 4, 2 times. 2 in 6, 3 times. 2 in 8, 4 times. 2 in 10, 5 times. 2 in 12, 6 times. 2 in 14, 7 times. 2 in 16, 8 times. 2 in 18, 9 times. 2 in 20, 10 times. LESSON L. 1. Albert gave his 3 brothers 9 marbles, to be shared equally between them. How many did each receive ? 2. How many times 3 marbles are 15 marbles?