3. A laborer saves $9 a month; how many months will it take him to save $684? How many years? 4. Bought 882 acres of woodland. After clearing one ninth of it, I sold the cleared land at $8 an acre and the woodland at $9 an acre; how much did I receive in all? 5. If you have $238 when you are 18 years old, and save $49 each year until you are 27, how much money will you then have? 6. A lady having $125, bought a cloak for $75, and 7 yards of silk at $1.85 a yard; how much money had she left? 7. A coal dealer bought 11 tons of coal for $144.97 and sold it at $8.50 a ton; did he gain or lose? How much? 8. One piece of muslin is 9 cents a yard, and another is 6 cents a yard; if I have $1.80, how many more yards of the second kind can I buy than of the first? 9. A hotel-keeper bought 98 pounds of crackers at 8 cents a pound, and 138 loaves of bread at 6 cents a loaf; how much did he pay for both? 10. At 5 cents a quart, what is the value of a barrel of cider containing 31 gallons? 11. Sold 567 barrels of flour for $9 a barrel; the wheat cost $2795, the expense of milling was $670; how much was gained? Ten ten-thousands are equal to one hundredthousand. One hundred-thousand is how many times ten thousand? Hundred-thousands are written in the first place to the left of ten-thousands. 352,400 is read, three hundred fifty-two thousand four hundred. The figure 3 expresses the number of hundred-thousands. Expressing numbers by means of figures is called Notation. Expressing in words a number written in figures is called Numeration. Ten units of any order make one of the next higher order. In the number 405,623, in what place or order does the figure 6 stand? The figure 4? 2? 0? 2. Write 6 ciphers and separate them into periods. Place 3 in hundred-thousands' place, 2 in thousands' place, and 4 in hundreds' place. Read the number you have written. Read the following numbers: Express the following in figures: Two hundred thousand sixty-three. One hundred eleven thousand eleven. Two hundred thousand twelve. Nine hundred nineteen thousand nineteen. 3. THREE PERIODS: UNITS, THOUSANDS, AND MILLIONS. The third period of figures expresses ones of mil· lions, tens of millions, and hundreds of millions. Write 9 ciphers and separate them into periods. Place 3 in ten-thousands' place, 6 in ten-millions' place, 8 in tens' place, 4 in thousands' place, and 7 in millions' place. Read the number. Fifty-six million one hundred seventeen thousand six hundred nine. Three hundred eight thousand three hundred eight; six million sixteen. Ten million one hundred eleven thousand one. 5. MULTIPLYING AND DIVIDING BY 10. Find products: 7865 × 10 8079 × 10 80563 × 10 96532 × 10 Short Method. When the multiplier is 10, the product is obtained by annexing zero to the multiplicand. Short Method. Cut off one figure from the right of the dividend. The remainder will be the figure cut off from the dividend. 7630456 ÷ 10 3987652 10 3101487 10 6. MULTIPLYING AND DIVIDING BY 11. TABLES. 10 x 11 = 110 11 x 11 = 121 12 x 11 = 132 Copy the following, and complete to 12×11=132 1. A man bought a horse for $64. the cost; how much does he still owe? He paid of 2. A farmer having 96 bushels of apples sold of them, used, and stored the remainder; how many bushels were stored? |