LESSON XCVIII. LESSON XCIX. 1 time 9 are how many? What is 1 ninth of 9?* 2 times 9 are how many? What is 1 ninth of 18? 3 times 9 are how many? What is 1 ninth of 27 ? 4 times 9 are how many ? What is 1 ninth of 36? 5 times 9 are how many? What is 1 ninth of 45 ? 6 times 9 are how many ? What is 1 ninth of 54 ? 7 times 9 are how many? What is 1 ninth of 63 ? 8 times 9 are how many ? What is 1 ninth of 72 ? 9 times 9 are how many? What is 1 ninth of 81 ? 10 times 9 are how many? What is 1 ninth of 90 ? 11 times 9 are how many? What is 1 ninth of 99 ? 12 times 9 are how many? What is 1 ninth of 108 ? LESSON C. EXERCISES TO BE PERFORMED ON THE SLATE. 12 Multiply 7 8 9 by 9 9 Divide 72 by q 99 by 9 * When any number is divided into nine equal parts, each miles are LESSON CI. 1. What will 9 yards of cloth cost, at 2 dollars a yard ? 2. How many barrels of apples can you buy with 18 dollars, at 2 dollars a barrel ? 3. There are 3 miles in one league ; how many there in 9 leagues ? 4. In one league there are 3 miles; how many leagues are there in 27 miles ? 5. In one yard there are 4 quarters; how many quarters are there in 9 yards ? 6. How many yards are there in 36 quarters of a yard ? 7. If a quart of milk cost 5 cents, how many cents will 9 quarts cost ? 8. How many quarts of milk can you buy with 45 cents, at 5 cents a quart ? 9. If one book cost 6 cents, what will 9 books cost? 10. If you pay 54 cents for 9 books, how many cents do you pay for each book ? 11. How much will 9 yards of ribbon cost, at 7 cents a yard ? 12. If a stage runs 63 miles in 9 hours, how many miles does it run each hour ? 13. If a man earn 8 dollars in one week, how many dollars can he earn in 9 weeks ? 14. A man received 72 dollars for 9 weeks' work ; how many dollars did he receive for each week's work ? 15. What will 9 pounds of sugar come to, at 9 cents a pound? 16. If 81 cents be equally divided among 9 boys, how many cents will each boy receive ? 17. If one pound of coffee cost 10 cents, how many cents will 9 pounds cost ? 18. How many writing-books, at 10 cents each, can you buy with 90 cents ? 19. If 11 men can do a piece of work in 9 days, how many men will be required to do the same work in one day? 20. If 99 nuts be equally distributed among 9 boys, how many nuts will each boy receive ? LESSON CII. LESSON CIII. 1 time 10 are how many ? What is 1 tenth of 10?* 2 times 10 are how many? What is 1 tenth of 20? 3 times 10 are how many ? What is 1 tenth of 30 ? 4 times 10 are how many What is 1 tenth of 40? 5 times 10 are how What is 1 tenth of 50 ? 6 times 10 are how What is 1 tenth of 60 ? 7 times 10 are how many ? What is 1 tenth of 70? 8 times 10 are how many ? What is 1 tenth of 80 ? 9 times 10 are how many ? What is 1 tenth of 90? 10 times 10 are how many? What is 1 tenth of 100? 11 times 10 are how What is 1 tenth of 110? 12 times 10 are how many ? What is 1 tenth of 120 ? LESSON CIV. 7 8 many? y? many ? 9 10 11 12 by 10 10 10 10 10 10 Divide 70 by 10 90 by 10 120 by 10 * When any number is divided into ten equal parts, each LESSON CV. . 1. If one lemon is worth 2 cents, what are 10 lemons worth? 2. How many peaches can you buy with 20 cents, at 2 cents a-piece? 3. If you give 10 boys 3 apples each, how many apples will you give to all of them ? 4. If 30 roses be equally divided among 10 girls, how many roses will each girl receive ? 5. Susan is 4 years old, which is one tenth the age of her mother ; how old is her mother? 6. Mrs. Williams is 40 years old; her daughter Susan is only one tenth the age of her mother. How old is Susan ? 7. If one lead-pencil is worth 5 cents, what are 10 pencils worth ? 8. How many yards of broadcloth can you purchase with 50 dollars, at 5 dollars a yard ? 9. If you pay 6 cents for riding one mile, how many cents must you pay for riding 10 miles ? 10. Mary paid 60 cents for 10 yards of ribbon; how many cents did she pay for each yard ? 11. What will 10 pounds of figs come to, at 7 cents a pound? 12. Bought 10 pounds of sugar for 70 cents; what is one pound of it worth? 13. There are 8 pints in one gallon ; how many pints are there in 10 gallons ? 14. 8 pints are equal to one gallon ; 80 pints are equal to how many gallons ? 15. If a man earn 9 dollars in one week, how many dollars can he earn in 10 weeks ? 16. If 90 dollars be equally divided among 10 men, how many dollars will each man receive ? 17. In a school there are 10 classes ; in each class there are 10 girls. How many girls are there in the school ? 18. In a school of 100 boys there are 10 divisions; each division contains the same number of boys. How many boys are there in each division ? LESSON CVI. LESSON CVII. 1 time 11 are how many? What is 1 eleventh of 11 ?* 2 times 11 are how many ? What is 1 eleventh of 22 ? 3 times 11 are how many? What is 1 eleventh of 33 ? 4 times 11 are how many ? What is 1 eleventh of 44? 5 times 11 are how many ? What is 1 eleventh of 55 ? 6 times 11 are how many ? What is 1 eleventh of 66 ? 7 times 11 are how many ? What is 1 eleventh of 77? 8 times 11 are how many? What is 1 eleventh of 88? 9 times 11 are how many? What is 1 eleventh of 99? 10 times 11 are how many? What is 1 eleventh of 110? 11 times 11 are how many? What is 1 eleventh of 121? 12 times 11 are how many? What is 1 eleventh of 132? LESSON CVIII. EXERCISES TO BE PERFORMED ON THE SLATE. Mbultiply 7 8 9 10 11 12 by 11 11 11 11 11 11 Divide 88 by 11 99 by 11 132 by 11 * When any number is divided into eleven equal parts, each of |