401. Oral Problems. 1. If a watermelon be divided equally among 5 boys, what part of the melon does each boy get? 2. If a dollar be divided equally among 5 boys, how many hundredths of a dollar does each boy get? 3. How 4. How many hundredths of a dollar make $? many hundredths of a dollar make $? 5. What is the name of the coin that is equal to twenty-five hundredths of a dollar? 6. James had 10% of a dollar, and John had 25% of a dollar; how much money did both have? 7. Lucy has .15 of a dollar, and Mary has .35 of a dollar? How much do both have? 8. Charles has $.15 in coins that are equal, and George has a nickel; how many coins do both have? 9. At $.05 per quart, how many quarts of berries can be bought with $1.05? 10. At $.02 apiece what must be paid for 30 pencils? II. 11. If you pay six cents a day for ice, how much do you pay in 50 days? 12. If a man pays six cents interest on $1, how much should he pay on $100? 13. A man charges 5 cents an hour for the use of his bicycle; how much does he get for 10 hours' use of it? 14. A man charges 5 cents on every dollar for lending money; how much does he get for lending $100? 402. Written Problems. 1. Find the cost of 75 horses at $150 a head. 2. Add and . 3. Subtract the sum of and from 21. 4. At 10 cents a pound, what must be paid for a bale of cotton weighing 500 pounds? 5. Add the difference between and to 31. 6. If a train run 27 miles per hour, how far will it run in 32 hours? 7. Six soldiers share equally 4 pounds and a half of flour; how many ounces does each get? 8. How many steps, each 2 feet long, would a girl take in walking 100 yards? 9. If 4 gallons of milk cost $1.60, what is the price for a quart? 10. If a quart of milk sells for 10 cents, what is paid for 3 gallons? II. A steamer goes down the river and comes back; in going down she makes 14 miles per hour for 20 hours; in coming up she makes 7 miles per hour for 40 hours; what is the whole distance? 12. If a man walk 22 miles a day, how far will he walk in 5 days? 13. D borrowed $462, and paid 5 cents interest for every dollar borrowed; how much interest did he pay ? 14. A man hires a horse and buggy at $2.50 per day; what is the charge for 6 days' use? 2. 6 172-5 899 2 323-1939 6. 3818-2919 10. $40.05-$ 8.50 7. 7 262-6 868 11. $16.30-$10.75 4. 1801-792 8. 2010-1947 12. $ 7.20-$ 6.75 408. Oral Questions. 1. What part of a dollar is a dime? 409. When a unit is divided into equal parts, one or more of the parts is called a Fraction. 6. How many halves are in 2? in 3? in 1? 410. A fraction whose numerator exceeds or equals its denominator is called an Improper Fraction, as, 1, 2. 7 A fraction whose numerator is less than its denominator is called a Proper Fraction, as, 3. A number composed of a whole number and a fraction, is called a Mixed Number, as 21, 182. 411. Oral Questions. 1. How many quarters of a dollar are equal to half a dollar? How many fourths equal a half ? 2. How many halves equal ? ? ? ? 3. What improper fraction equals 11⁄2? 4. Give quarters in change for half a dollar: how many quarters? 5. Change 4 to halves: how many halves in 4? 6. What mixed number equals ? 7. What improper fraction equals 2? 8. Reduce 7 to fourths: how many fourths in 7? The sum of 208 fourths and 3 fourths is 211 fourths. 413. Reduce to improper fractions: 1=1 52=52x=208 208+3=211 414. To reduce a mixed number to an improper fraction: To the given fraction add the whole number reduced to a like fraction. |