W IS 267. Oral Problems. 1. Lucy owed a dollar. After she paid 60 cents and 25 cents, how much did she owe? 2. A farmer bought a poor horse for $28, kept him in a good pasture and cared for him till he was fat, and sold him for $75; how much did he gain ? 3. John's kite-string is 175 yards long, and Henry's is 140 yards shorter than John's. How much longer is John's than Henry's ? 4. Mary has one doll that cost 65 cents, and another doll that cost 20 cents less. How much did both cost ? 5. A dollar will pay for 20 cents' worth of paper, 10 cents' worth of envelopes, and how many one-cent stamps ? 6. Mary is eight years old: the difference between her age and John's age is nine years. How old is John ? 7. If you add eleven quarts of berries to those already there, you will have 19 quarts in the basket. How many quarts of berries are in the basket now? 8. A wagon and two horses on the scales weighed 2 800 pounds. The wagon by itself weighed 900 pounds; how much did the horses weigh? 9. From what number can you take six and then seven and leave eleven? 10. What number is it to which you may add six and then seven and make nineteen? 268. Written Problems. 1. Your salary is $1 500 a year. You pay $240 rent, $375 for groceries and fuel, $259 for clothing, and $418 for all other expenses. How much do you save? 2. You travel 986 miles in three days; the first day you go 437 miles, the second 190 miles, and how far the third day? 3. A merchant buys two lots of cotton, paying $3 747 for one lot, and $6 274 for the other; he sells the whole for $9 895. Gain or loss, how much ? 4. You have 1570 acres of land, which you rent to four tenants : to the first 265 acres, second 427, third 476, and how many to the fourth ? 5. From a full cistern holding 4000 gallons, a family used 2 825 gallons before it rained; the first rain put into the cistern 1975 gallons ; how many gallons of water did the cistern then contain ? 6. You raise 1 970 bushels of corn on three fields; on one 516 bushels, on another 729 bushels, and on the third how much? 7. A shoe factory made in four weeks 15 340 pairs of shoes; the first week 3412 pairs were made; the second, 3927 pairs; the third, 3 749 pairs; how many pairs were made the fourth week ? 8. You have 1610 fruit-trees; you have 392 peachtrees, 415 apple-trees, 360 pear-trees, 276 plum-trees, and the rest are cherry-trees : how many cherry-trees in your orchard ? W ma MULTIPLICATION 269. Oral Questions. 1. How many feet are there in 1 yard ? 3. A bushel of corn will fill a peck measure 4 times; how many pecks are in 4 bushels ? 4 times 4=? 4. Add by twos from 2 to 24. 5. What is 5 times 2? 7 times 2? 6 times 2? 8 times 2? 9 times 2? 11 times 2? 12 times 2? 6. Add by threes from 3 to 36. 7. What is 5 times 3? 7 times 3? 8 times 3? 9 times 3? 6 times 3? 10 times 3? 12 times 3? 8. Add by fours from 4 to 48. 9. What is 5 times 4? 7 times 4? 6 times 4? 8 times 4? 9 times 4? 12 times 4? 11 times 4? 10. Add by fives from 5 to 60. II. What is 5 times 5? 6 times 5? 8 times 5? 7 times 5 ? 12 times 5 ? 11 times 5 ? 9 times 5 ? 12. Add by sixes from 6 to 72. 13. What is 5 times 6? 7 times 6? 9 times 6? 8 times 6? 10 times 6? 12 times 6? 11 times 6 ? 14. Add by sevens from 7 to 84. 15. What is 5 times 7? 6 times 7? 8 times 7? 7 times 7? 9 times 7? 11 times 7 ? 12 times 7? 270. In Multiplication we find the sum of equal numbers. The number we multiply is the Multiplicand. The number we multiply by is the Multiplier. The answer, or Result, is called the Product. The sign of Multiplication is X. The sign is read multiplied by, or times. 3x4 qt. is read “ Three times four quarts.” 4 qt. X3 is read “Four quarts multiplied by • three.” 272. Written Problems. 1. What will 3 cocoanuts cost at 10 cents apiece ? 3. A man bought 5 mules at $110 a head; how much did he pay for all ? 4. There are 6 rows of trees 21 trees to the row; how many trees are in the 6 rows ? 5. A girl bought 9 quarts of berries at 10 cents a quart. What was paid for all ? 6. Six chickens at 30 cents apiece will cost how much ? 7. If the hens lay 12 eggs a day, how many will they lay in 7 days? 273. Oral Problems. 1. A lady sold 4 chickens at 25 cents each. How much did she get for them? 2. Tom has 11 marbles, and Henry has three times as many. How many has Henry? How many have both? 3. The mules are fed three times a day. How many times are they fed in 7 days? 4. A hen has four chicks, and another has three times as many. How many have both ? 5. There are 6 men, each plowing with two mules. How many mules ? 6. There are 4 bales of cotton on the wagon and three times as many on the ground. How many bales? 7. Six rows of trees, 5 trees in a row, are how many trees? 8. Seven ducks swimming in the pond, and twice as many flying over, are how many ducks ? 9. Eight horses, each with 2 pairs of shoes : how many horseshoes? 10. If the mill-wheel turns six times in a minute, how many times would it turn during recess ? 11. John weighs 50 pounds, and his father three times as much. How much do both weigh? 12. If you can pick 10 pounds of cotton an hour, how much can you pick in 7 hours ? 13. How many bushels of corn will 4 acres yield at 25 bushels to the acre ? |