Oral Problems for Practice 1. How many fish did Frank catch in three days if he caught 9 the first day, 8 the second, and 12 the third? 2. In what time will a boy earn as much at $3 a week as a man earns in 6 weeks at $8 a week? 3. Nell is 3 years old and Will 5. Their sister's age is twice the sum of their ages. What is the sister's age? 4. How many gallons of milk will a family use in the month of June if it uses 2 quarts a day? 5. Frank rides 6 miles an hour and Albert 9. (a) How far apart will they be in 6 hours if they start at the same time and place and ride in the same direction? (b) If they ride in opposite directions? 6. Grace bought 2 dozen lemons. She used of them for lemomade and gave away 6. How many remained? 7. Helen bought of a yard of cambric. She used half a yard in her dress and wasted of a yard in cutting. How much was left? 8. A man owed $96. He made 5 payments of $12 each. How much did he then owe? 9. Luther earned $4 for the Y. M. C. A. War Fund, and his brother earned three times as much. How much did both earn? 10. $18 plus $12 is how much less than 4 times $12? 11. The product is 125 and one of the factors is 5. What is the other factor? 12. The divisor is 11, the quotient 12, and the remainder 9. What is the dividend? 13. The dividend is 85, the quotient 9, and the remainder 4. What is the divisor? 14. Let each pupil make a problem for the next to solve. Written 1. Three boys went fishing. They caught 16 perch, 27 trout, 19 pickerel, and 8 black bass. How many fish did they catch in all? 2. Margaret wants a $3 tennis racquet, two 40-cent tennis balls, and a 75-cent pair of tennis shoes. She has saved $3.45. How much more must she save? 3. The first Thanksgiving was in 1621 and the day has been observed every year since. How many times has the day been observed? 4. A father and his three sons earned $2461 in a year. The first son earned $676, the second $456, and the father $1080. How much did the third son earn? 5. The sum of three numbers is 342. Two of the numbers are 84 and 96. What is the third number? 6. A man had $1386 in the bank. During one week, he put into the bank $687, drew out $489, put in $248, drew out $298. How much had he in the bank at the end of the week? 7. A farmer had 46 acres of alfalfa. a year. The first crop yielded 1 second 1 tons, and the third 1 ton. He cut three crops tons per acre, the a. How much was it worth at $8 a ton? b. How many pounds of alfalfa did he obtain? 8. Frank earned $10 by working Saturdays. He bought a ball for $1.25, a mitt for $1.75, a bat for 75¢ and a mask for $2.35. How much had he left? 9. Mr. Paine traveled from Seattle to New York in five days. His railroad fare was $68.90, his Pullman tickets $17, his meals $2.25 a day, and his other expenses $4.25. How much did he have left from six $20 bills? 10. Find the cost of 5 yd. of serge at $1 a yard, doz. snaps at 10¢ a dozen, 1 pattern at 20¢. Oral FIG. A. FIG. B. SEEING RELATIONS 1. Figure B is how many times as large as figure A? 2. If figure A is 1 inch long, how long is figure B? 3. If A and B are pieces of cloth, and A is worth $5, what is B worth? 4. If A is a piece of land containing 10 acres, what is B? 5. If A is a piece of land worth $12, what is B worth? 6. If B is worth $60, what is A worth? 7. If A and B are blocks of wood and A weighs 9 pounds, what does B weigh? 8. If B weighs 39 ounces, what does A weigh? 9. If A and B are fields, and A can be plowed in 4 days, how long will it take to plow B? 10. a. 10 pears are how many times 2 pears? b. If 2 pears cost 3 cents, 10 pears cost c. 2 pears are what part of 10 pears? d. Two pears are worth worth 25 cents. cents. cents, when 10 pears are 11. a. One dollar is how many times one dime? b. One dime is what part of one dollar? c. If one dollar will buy 30 pencils, one dime will buy pencils. d. If one dollar will pay for 70 apples, one dime will pay for apples. e. Frank can earn one dollar in earn one dime in two hours. hours if he can f. If one silver dollar weighs one ounce, one silver dime weighs ounce. 12. If John rides 9 miles in 2 hours, in what time can he ride 27 miles at the same rate? Analysis: 27 miles are 3 times 9 miles. Therefore, if John rides 9 miles in two hours, he can ride 27 miles in 3 times two hours, or hours. Analyze each of the following problems: 13. If a man's wages for 12 hours are 5 dollars, in how many hours will he earn $20? 14. If 7 yards of cloth will make 2 suits, how many yards are required for 8 such suits? 15. When 75¢ will buy 6 pineapples, how much should be paid for 2 pineapples? Oral Review and Practice in Whole Numbers 1. If a five-cent loaf weighs 12 ounces, how much should a 10-cent loaf weigh? 2. Eric received 20 cents for 3 hours' work. At that rate what should he receive for 12 hours' work? 3. The sum of two numbers is 28. One of the numbers is 16. What is the other? 4. 20 is how much more than 11? 5. Clara used 6 cups of flour in making 70 cookies. How many cups of flour should she use for 35 cookies? 6. Three eggs are used in making 50 doughnuts. One dozen eggs would be enough for how many doughnuts? 7. Albert feeds his horse 32 quarts of grain in three days. At the same rate, how many quarts does he feed the horse in 30 days? (30 is how many times 3?) 8. What is the cost of 50 five-cent stamps? 9. 25×10=? 37X100=? 16×200= ? 108X400= ? 10. 96 is the product of 8 and what other number? Written 1. Willis has 15 hens. They laid at the rate of 120 eggs apiece in one year. How many eggs were laid by all of them? 2. The food for the hens cost $21. Willis sold the eggs at an average price of 22 cents a dozen. How much more did he receive for the eggs than he paid for the food for the hens? 3. What was the profit from one hen? 4. What would be the profit from 75 hens at the same rate? 5. Willis has a rectangular hen park 30 ft. long and 15 ft. wide. How many feet of wire netting will inclose it? |