12. If one shelf will hold 10 books, how many books will 4 such shelves hold? 4 X 10=? 13. In one dollar there are 10 dimes. How many dimes are there in 5 dollars? 5 X 10 ? 14. Henry received 10 credit marks per day for 6 days. How many did he receive? 6 X 10=? 15. If 10 marbles can be bought for 1 cent, how many can be bought for 7 cents? 7 X 10=? 16. If there are 10 weeks in one term of school, how many weeks are there in 8 terms? 8 × 10=? X 17. A farmer sold 9 hogs at 10 dollars apiece. How many dollars did he get for them? 9 × 10=? 18. If sewing needles cost 10 cents a paper, what will 10 papers cost? 10 X 10 ? 19. Form the multiplication tables of nines and LESSON XLI. 1. If there are 8 goslings in the water and 6 on the land, how many goslings are there altogether? 2. How many more gos lings are there in the water than there are on the land? 3. Henry has 7 sheep, and his father has 9 times as many. How many sheep has his fa ther? 4. How many sheep have Henry and his father? How many are 63 and 7? 5. An Indian sold 8 baskets at 10 cents apiece. How much did he receive for them? 8 X 10=? 6. A boy having 6 rabbits, bought 8 more, and then sold 9. How many had he left? 7. Count to 48 by 6's. Count to 63 by 7's. 8. Count back from 45 to 0 by 9's. 9. From a crock of butter weighing 25 pounds 7 pounds were taken at one time, 3 at another, and 6 at another. How many pounds remained? 10. A laundress bought at one time 3 flat-irons, each weighing 6 pounds; at another time 2 flatirons, each weighing 8 pounds. What was the entire weight of the irons? -11. At 8 dollars a term each, how much will a music-teacher receive for 6 pupils? 6 X 8=? How many 12. There are 7 days in one week. days are there in 9 weeks? 7X9=? 9X7=? 13. If a horse trot 9 miles in one hour, how far will he travel in 10 hours? 10 X 9 ? 9 × 10=? 14. If one passenger-car has 8 wheels, how many such wheels will 5 cars have? 5X8=? 8×5=? 1. A cutler sold 6 sets of knives one day, 5 sets the next day, and 8 sets the next. did he sell? How many sets 2. What is addition? What is the sign of addition? 3. A painter having 13 pounds of paint, used 6 pounds one day and 3 the next. How many pounds had he left? 13 (6+3)=? 13-6-3 ? 4. What is subtraction? What is the sign of subtraction? 5. A farmer sold 3 sheep at 4 dollars apiece, and 6 calves at 5 dollars a head. What did he receive for the whole? (3X4)+(6×5)=? 6. What is multiplication? What is the sign of multiplication? 7.8+5+6=? 24-3-6 ? = 8X2=? 8. In one yard there are 3 feet. How many feet are there in 4 yards? How many feet are there in 5 yards? 9. If a squirrel eats 8 nuts in one day, how many nuts will he eat in 9 days? 9X8=? 8X9=? 10. What will be the cost of 6 pears at 6 cents each? 6×6=? 11. In one peck there are 8 quarts. How many quarts are there in 5 pecks? 5 X 8=? 12. How many are 9 times 5? times 6? How many are 7 13. There are 4 classes in a school, each class containing 10 pupils. the school? How many pupils are there in 4 X 10 ? 14. In an orchard there are 7 rows of trees, and 9 trees in each row. How many trees are there in the orchard? 7X9 ? 9X7=? 15. A man having 16 cords of wood, used all but 5 cords. How many cords did he use? 16-5=? 16. Helen gave 7 yards of cloth to a poor woman, and had 9 yards left. How many yards had she at first? 17. 17+3-8=? 21-6=? 21-(6+5)=? SLATE EXERCISES. Copy, add, subtract, and multiply the following: |