ORAL. If 1. A box is 4 in. long, 3 in. wide, and 2 in. deep. it is filled with nails, how many cubic inches of nails does it hold? 2. How many square inches are there in the top of this box? What other face of the box has the same number of square inches? 3. How many square inches in one end of this box? How many square inches in the other end? 4. How many square inches in one side of this box? How many square inches in the other side? 5. Take a cube and put your finger on the front upper right-hand corner of it. In how many different directions can you move your finger and yet follow along an edge of the cube? 6. Because any solid, like a box or cube, extends from one point in 3 directions, we say it has 3 dimensions. 7. How many dimensions has a box or room? 8. How do you find the number of square feet in the floor of a room? 9. What two dimensions of a room are multiplied together to find the number of square feet in the ceiling? 10. How do you find the square feet in one side of a room? 11. How do you find the number of square feet in one end of a room? 12. Why do you not use the height of a room in finding the area of the floor? 13. Make a pile of blocks that shall contain 24 cubic inches. How long, wide, and high is the pile? What are the dimensions of the pile? 14. Make an example to illustrate cubic contents. 15. How many cubic inches in a box 4 in. by 3 in. by 3 in.? 16. How many cubic inches in a box 5 in. by 5 in. by 2 in.? ture, the larger pile represents a cord. See how long, wide, and high it is. How many cubic feet are there in it? The smaller pile represents a cord foot. See how long, wide, and high it is. What part of a cord is it? cd. stands for cord or cords. cd. ft. stands for cord feet. 1. Find the number of cubic feet in a pile of wood 8 ft. long, 4 ft. wide, and 4 ft. high. How many more cubic feet does this pile need to make a cord? 2. Find the number of cubic feet in a pile of wood 4 ft. long, 4 ft. wide, and 4 ft. high. Is this a cord? part of a cord is it? What 3. Find the number of cubic feet in a pile of wood 16 ft. long, 4 ft. wide, and 4 ft. high. 4. Find the cubic feet in a pile of wood 10 ft. long, 8 ft. wide, and 6 ft. high. 5. A pile of wood is 1 ft. long, 4 ft. wide, and 4 ft. high. How many cord feet are in the pile? What part of a cord is it? 6. A pile of wood is 8 ft. long, 4 ft. wide, and 8 ft. high. How does its length compare with the length of a cord of wood? How do the widths compare? The heights? How many cords are there in the pile? 7. A pile of wood is 8 ft. long, 8 ft. wide, and 4 ft. high. How many cords are there in it? 8. Make an example about a pile of wood. ORAL. 1. Find 50% of $40. 333% of 36 oranges. 25% of 88 rabbits. 2. If you have 20 problems in your arithmetic lesson, and miss 25% of them, how many will you solve? 3. If you have 20 problems in your arithmetic lesson, and solve 20% of them, how many will you miss? 4. Alice had 21 plums, and gave of them to her brother Edward. How many plums did she give to her brother? 5. Alice had 21 plums, and gave 33% of them to her brother Edward. How many plums did she give to her brother? 6. Jack had 20 oranges, and sold 50% of them. How many did he sell? 7. Jack had 20 oranges, and sold of them. How many did he sell? 8. A boy has 24 cents, and his brother has as many. How many cents has his brother? 9. A boy has 24 cents, and his brother has 25% as many. How many cents has his brother? 10. Mary had 12 oranges, and gave her brother of them. How many did she give her brother? 11. Mary has 25 pears, and her sister has as many. How many has her sister? 12. Mary has 25 pears, and her sister has 20% as many. How many has her sister? 13. Arthur bought 24 pens, and sold of them. How many did he sell? 14. If a man pays $30 for 6 sheep, how much at the same rate does he pay for 5 sheep? 15. If Mary paid $3 for 12 yards of cloth, how many yards did she buy for $1? How many did she buy for $12? 1. How much must you pay for 18 barrels of apples at $3 a barrel? 2. What is the cost of 245 chairs at $2 each? 3. What is the cost of 7 sofas if one sofa costs $35? 4. At $5 a cord, what must I pay for 89 cords of wood? 5. If I pay $39 a month to each of 9 men, how much money do I pay out each month? 6. How many barrels of flour at $6 a barrel can you buy for $936? 7. If Harry can earn $8 in one week, in how many weeks can he earn $480? 8. If 3 yards of cloth make a coat, how many coats can be made from 279 yards? 9. At $7 a barrel, how many barrels can be bought for $413? 10. If 9 cows cost $486, what is the price of one cow? 11. I received $119 for 7 tons of hay. How much was that a ton? 12. How many melons at 9 each can you buy for 315 cents? 13. At $4 a head, how many sheep can be bought for $280? 14. $9 are of how many dollars? 15. How many fourths of a yard in 4 yards? In 64 yards? 16. How many eighths in 63 ft.? In 4 in.? In 73 gal. ? 17. How many fifths of a bushel in 7% bu. ? In 4% bu.? In 6 bu.? 18. Find the sum of 19. Find the sum of and 3. and §. 20. Find the difference between and . and . # and . of them at 24 each. 21. A boy had 20 marbles, and sold How many marbles had he left? How much he receive? money did 1. Find 4 of 24. ORAL. of 32. of 81. of 35. of 81. 2. Into how many parts must you divide an apple in order to give of it to your brother? Why? 3. Into how many equal parts must you divide an apple in order to give your brother exactly of it? Why? 4. In 5 pounds of coffee, how many thirds of a pound? 5. In 8 gallons, how many thirds of a gallon? 6. If you divide 6 apples among your playmates, giving each playmate of an apple, how many playmates have you? 7. Divide 6 apples equally among 18 playmates. What part of an apple have you given to each playmate? 8. How many thirds in & of an apple? 9. In of a bushel there are how many sixths of a bushel ? the 10. Give of an orange to your sister. What part of orange did you give her? 11. If you give each playmate of a pear, to how many playmates would you give 5 pears? 12. How many pints in 12 quarts? 13. How many pints in 1 peck? 14. How many bushels in 48 pecks? 15. If 5 peaches cost 15 cents, what will 9 peaches cost? 16. If 9 oranges cost 36 cents, what will 5 oranges cost? 17. At $4 a yard, how many yards of broadcloth can be bought for $36? 18. At 4 a yard, how many yards of ribbon can be bought for 36 cents? 19. I sold a cow for $38, which was $9 more than it cost. How many dollars did it cost? 20. There were 13 pears on a tree, but the wind blew off 2, and a boy picked 3. How many pears are left? 21. When 4 oranges cost 20 cents, what will 9 cost? |