A Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the Slate...

Robert S. Davis and Company, 1858 - 72 páginas

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Página 41 - At 10 cents a pound, how many pounds of sugar can be bought for 50 cents?
Página 13 - It also denotes a remainder after division. 2 and 1 are 3 2 and 2 are 4 2 and 3 are 5 2 and 4 are 6 2 and 5 are 7 2 and 6 are 8 2 and 7 are 9 2 and 8 are 10 2 and 9 are 11 2 and 10 are 12 2 and 11 are 13 2 and 12 are 14 3 and 1 are
Página 69 - The dividend is the number to be divided. The divisor is the number by which we divide.
Página 24 - ... 5 from 5 leaves . 0 5 from 6 leaves 1 5 from 7 leaves 2 5 from 8 leaves 3 5 from 9 leaves 4 5 from 10 leaves 5 5 from 11 leaves 6 5 from 12 leaves 7 5 from 13 leaves 8 5 from 14 leaves 9 5 from 15 leaves 10...
Página 31 - ... 5 times 3 are 15 6 times 3 are 18 4 times 4 are 16 5 times 4 are 20 6 times 4 are 24 4 times 5 are 20 5 times 5 are 25 6 times 5 are 30 4 times 6 are 24 5 times 6 are 30 6 times 6 are 36 4 times 7 are 28 5 times 7 are...
Página 29 - ... 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...
Página 31 - ... 4 times 6 are 24 5 times 6 are 30 6 times 6 are 36 4 times 7 are 28 5 times 7 are 35 6 times 7 are 42 4 times 8 are 32 5 times 8 are 40 6 times 8 are 48 4 times 9 are 36 5 times 9 are 45 6 times 9 are 54 4 times 10 are 40 5 times...
Página 39 - At 9 dollars a barrel, how many barrels of flour can be bought for 18 dollars ? 17.
Página 25 - ... leaves 10 8 from 8 leaves 0 8 from 9 leaves 1 8 from 10 leaves 2 8 from 11 leaves 3 8 from 12 leaves 4 8 from 13 leaves 5 8 from 14 leaves 6 8 from 15 leaves 7 8 from 16 leaves 8 8 from 17 leaves 9 8 from 18 leaves 10...
Página 59 - ... tens, or or or or or or or or twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety, 20; 30; 40; 50; 60; 70; 80; 90.