LESSON XLIX. 1. If 8 bushels of potatoes are needed to plant one acre of ground, how many acres will be planted if 40 bushels are used ? 40 :-8=? 2. If a blacksmith makes 6 horseshoes in one day, in how many days can he make 60 horseshoes ? 3. If a man paid 5 dollars for taking one trip on the cars, how many such trips could he take for 30 dollars? 30:5=? 4. In a school of 56 pupils there are 7 pupils in each class. How many classes are there ? 56 - 7=? 5. In one pint there are 4 gills. How many pints are there in 36 gills ? 36 =-4=? 6. In one yard there are 3 feet. How many yards are there in 21 feet? In 30 feet? In 12 feet? 7. If one ball costs 2 dimes, how many balls can be bought for 6 dimes ? For 12 dimes ? For 18 dimes? 8. How many oranges at 5 cents apiece must be given for 3 dozen of eggs at 10 cents a dozen ? 9. How many sleds at 3 dollars apiece can be bought for 27 dollars? 27 = 3=? 10. How many yards of calico at 8 cents a yard must be given for 10 pounds of maple sugar at 8 cents a pound? (10 X 8):8=? · 11. If there are 4 pecks in one bushel, how many bushels are there in 40 pecks ? 12. How many 7's are there 63? In 49? 13. How many 6's are there in 54? In 48 ? SLATE EXERCISES. 6 8 7 8 4 6 8 7 5 Copy and divide the following: 8)64 5)504)32 5)40 7) 70 7)28 LESSON L. 1. If one dress can be made from 9 yards of cloth, how many dresses can be made from 18 yards? 18:9=? 2. If a painter can paint 9 boards of fence in one hour, in how many hours can he paint 27 boards? 27 : 9=? 3. There are 9 square feet in 1 square yard. How many square yards are there in 36 square feet? In 45 square feet ? 36 =9=? 45:9= ? 4. If there are 9 candles in one pound, how many pounds are there in 54 candles? 54 = 9=? 5. A man gave 63 bushels of corn to poor families, giving 9 bushels to each family. How many families were relieved ? 63: 9=? 6. If you travel 9 miles in one hour, in how many hours will you travel 72 miles? 81 miles ? 7. 90 is how many times 9 ? 90 - 9=? 8. If it requires 10 pickets to make one gate, how many such gates can be made using 20 pickets ? 20 = 10=? 9. How many ten-cent pieces are there in 30 cents ? 30-10=? 10. There are 10 cents in one dime. How many dimes are there in 10 cents? 40 - 10 =? 11. If a man can drill 10 feet per day, how many days will it take him to drill 50 feet? 50 = 10 ==? 12. James bought a Christmas gift for 60 cents, paying for it with ten-cent pieces. How many tencent pieces did he give for it? 60 +10=? 13. How many hours will it take a steamboat to make a trip of 70 miles, if it travels 10 miles in one hour ?70: -10=? 14. How many pupils, at 10 dollars a term, must a teacher instruct to receive 80 dollars ? 80 ; 10=? 15. At 10 cents a pound, how many pounds of starch can be bought for 90 cents ? 90 = 10=? 16. How many tens are there in 100 ? 17. Form the division tables of nines and tens. TABLES. 9:9=1 54:-9= 6 18:-9=2 63:9= 7 27:-9=3 72-:-9= 8 36:-9=4 81-:-9= 9 45:-9=5 90:-9=10 10:10=1 60:10= 6 20:10=2 70:10= 7 30:10=3 80-:10= 8 40:10=4 90-:-10.= 9 50:-10=5 100:10--10 1. If there are 5 monkeys on one branch of a tree, 4 on another, and 3 on another, how many monkeys are there on the tree? 5+4+3=? 2. How many more than 5 monkeys are 7 monkeys ? 7--5=? 3. How many more than 4 monkeys are 8 monkeys ? 8—4=? 4. How many more than 3 monkeys are 9 monkeys? 9-3=? 5. If you have 5 apples, how many more must you get to have 12 apples? 5+?=12. 6. Mary is 6 years old, and her brother is 15. In how many years will Mary be as old as her brother is now ? 6+?= 15. 7. In one week there are 7 days. How many days are there in 4 weeks? 4X7=? 8. Into how many groups of 5 oranges each can you divide 15 oranges ? 15:5=? 9. How many are 2 times 8? 4 times 8? 6 times 8? 10. How many times is 8 contained in 24? In 40? In 64 ? 11. If a cow gives 9 quarts of milk in the morning, and 10 quarts at night, how many quarts does she give in one day? 12. George having 20 cents, paid 6 cents for candy and 8 cents for peanuts. How many cents had he left ? 13. If one lily has three petals, how many petals have 9 lilies? 14, 4+8+2=? 9+7+3=? 28 --- 3—6=? 19-4=? 7+8—6=? 15. 7 X 7=? 9 X 8=? 45 : 5=? 90:-10=? 16. In one dime there are 10 cents. cents are there in 4 dimes? 4 X 10=? 17. Mary bought 4 pencils at 5 cents apiece, and a drawing-book for 25 cents. What was the total cost of her purchases ? 18. How many are 6 and 8? 16 and 8? 26 and 8? 36 and 8? 46 and 8? 56 and 8? 19. How many are 4 and 9 ? 14 and 9? 24 and 9? 34 and 9 ? 44 and 9? 54 and 9? 20. Count to 32 by 4's. Count to 54 by 6's. 21. Count to 90 by O's. Count to 72 by 8's. 22. Count to 40 by 5's. Count to 63 by 7's. 23. How many 8's are there in 80 ? 80 - 8 =? 24. How many 7's are there in 49 ? 49 = 7 = ? 25. How many 6's are there in 54? 54 6=? How many |