2. How many ounces make a pound? What part of a pound is 8 ounces? What part is 4 ounces? 3. At 30 ct. a pound,what will of a pound of butter cost? 4. 4 ounces of tea are what part of a pound? 12 ounces are what part of a pound? 5. We now know the following TABLE 16 ounces = 1 pound 6. For short we write oz. for ounce or ounces, and lb. for pound or pounds. = WRITTEN EXERCISES 1. 5 lb. +8 lb. how many pounds? = = how many ounces? 5. 23 lb. +8 oz. = how many pounds? 6. lb. 4 oz. = how many ounces? 1-24 ORAL EXERCISES 1. How many tens are there in one hundred? How many dimes equal a dollar? How many half dollars? How many quarter dollars? 2. How many nickels equal a dime? How many nickels equal a dollar? How many cents equal a dollar? 3. What part of a dollar is 50 ct.? is 25 ct.? is 75 ct.? 4. $how many dimes? How many nickels? 5. If I spend $1, how many cents do I spend? $1 = what part of $? 25 ct. = what part of 50 ct.? 6. How many cents are there in $2? in $21? in $34? 7. How many cents in $1 and 3 dimes? in $1 and 3 nickels? in $1 and 7 ct.? MEASURING ORAL EXERCISES 1. Measure the length and the width of your desk. The top contains how many square inches? 2. Measure the length and the width of your arithmetic. Each page contains how many square inches? 3. Measure the length and the width of your reader. What is the area of each page? What is the perimeter? 4. Draw a 2-inch square. Draw a 4-inch square. The 2-inch square equals what part of the 4-inch square? Give the area and the perimeter of the 2-inch square; of the 4-inch square. WRITTEN EXERCISES 1. Draw an oblong 4 inches long and 2 inches wide. Find the area and the perimeter. 2. Draw an oblong one half as long and one half as wide as the first oblong. Find the area and the perimeter. 3. Find the area and the perimeter of an oblong 9 ft. long and 6 ft. wide. 4. A square 5 yd. long contains how many square yards? How many yards long is its perimeter? ORAL EXERCISES 1. This is the picture of an oblong 4 ft. long and 2 ft. wide. Each foot in its length and width is represented by in. The oblong has been drawn to a scale of in. to 1 ft. 2. Think of a square 3 yd. long. Draw a picture of this square to the scale of in. to 1 yd. 3. Draw a plan of a room 20 ft. long and 18 ft. wide to a scale of in. to 1 ft.; a plan of a garden 20 ft. long and 16 ft. wide to a scale of in. to 1 ft.; a plan of a lot 80 ft. long and 60 ft. wide to a scale of in. to 10 ft. 4. Draw an oblong 6 in. long and 3 in. wide. Divide it into square inches. How many square inches in one row? How many rows? The area is how many square inches? 5. Draw a square foot. How many inches long is it? Divide it into square inches. How many square inches in one row? How many rows of 12 square inches? 12 × 12 square inches are how many square inches? A square foot is how many square inches? 6. Draw a square yard to the scale of 1 in. to 1 ft. How many square feet does it contain? 7. We now know the following 8. For short we write sq. in. for square inch or square inches; sq. ft. for square foot or square feet; and sq. yd. for square yard or square yards. WRITTEN EXERCISES Draw to a scale of inch to 1 foot. Find the areas and the perimeters of: 1. An oblong 16 ft. long and 12 ft. wide. 2. A square 8 yd. on a side. 3. The floor plan of a schoolroom that is 40 ft. long and 30 ft. wide. 4. The plan of a flower bed 36 ft. long and 16.ft. wide. ORAL EXERCISES 1. How many square feet in 2 sq. yd.? How many square yards in 9 sq. ft.? in 27 sq. ft.? 2. 2 bu. and 1 pk. are how many pecks? da.? in da.? 3. How many quarts in 1 pk.? in 21 pk.? 4. How many hours in one day? in 5. How many minutes in one hour? 30 min. is what part of 1 hr.? 15 min. is what part of 1 hr.? 45 min. is what part of 1 hr.? 6. How many inches in 2 ft. 6 in.? in 3 ft.? in 1 yd.? 7. How many square inches in 2 sq. ft.? 8. What will a gallon of oil cost at 5 ct. a quart? 9. What is the sum of a dollar, a half dollar, a dime, and a nickel? 10. At a dollar a bushel, what will a peck of apples cost? 11. What will 6 oranges cost at 30 ct. a dozen? 12. What will 9 eggs cost at 32 ct. a dozen? 13. John has a dollar. If he buys three tickets for a ball game at 25 ct. each, how much money will he have left? WRITTEN EXERCISES 1. Write these numbers in figures: five thousand fiftyfive; eighteen hundred fifty-eight; seven thousand three hundred forty-six ; nineteen hundred fourteen. 2. The rents for an office building for one month were as follows: first floor, $384; second floor, $290; third floor, $275; fourth floor, $186. What was the total rent for the month? 3. Four coal trains left the mines loaded as follows: the first contained 1100 tons of coal; the second, 1275 tons; the third, 998 tons; the fourth, 1822 tons. How many tons of coal did the four trains carry? 4. A merchant's receipts for one day were: currency, $298.85; checks, $624.88; two drafts of $150.00 each. What were the total receipts? 5. A town has to-day 8967 inhabitants. It gained 1289 in ten years. What was the population ten years ago? 6. An excursion train made four stops on its return trip. At the first station 89 passengers got off; at the second, 78; at the third, 122; at the fourth, 55. How many passengers remained on the train if there were 500 on it when it started? 7. By one way it is 411 miles from New York to Buffalo and 541 miles from Buffalo to Chicago. How far is it from New York to Chicago? 8. A retail merchant offered a wholesale merchant $8 apiece for 96 suits of clothes. The wholesale merchant asked $9 apiece for them. If the wholesale merchant accepts the offer, how many dollars in all did he throw off? |