20. 8 times 3 tens are how many tens? How many are 8 times 30? 30 times 8?

21. 4 times 6 tens are how many tens? How many are 4 times 60? 60 times 4?

22. 6 times 4 tens are how many tens? How many are 6 times 40? 40 times 6 ?

23. 2 times 6 tens are how many tens? How many are 2 times 60? 60 times 2?

24. 6 times 2 tens are how many tens? How many are 6 times 20? 20 times 6?

25. 4 times 3 tens are how many tens? How many are 4 times 30? 30 times 4?

26. 3 times 4 tens are how many tens? How many are 3 times 40? 40 times 3?

27. 4 times 4 tens are how many tens? How many are 4 times 40? 40 times 4?

28. 8 times 2

are 8 times 20?

29. 2 times 8

tens are how many tens? How many 20 times 8?

tens are how many tens? How many are 2 times 80? 80 times 2?

30. 7 times 2 tens are how many tens? How many are 7 times 20? 20 times 7 ?

31. 2 times 7 tens are how many tens? How many are 2 times 70? 70 times 2?

32. What is the difference between 4 times 5 tens and 5 times 4 tens?

33. What is the difference between 4 times 50 and 5 times 40?

34. Which is the larger, 4 times 7 tens or 7 times 4 tens?

35. Which is the larger, 4 times 70 or 7 times 40? 90 times 3? 9

36. How many are 3 times 90? times 30 30 times 9?

37. How many are 4 times 80?

times 40? 40 times 8?

80 times 4? 8

38. How many are 5 times 20? 20 times 5! 2 times 50 50 times 2?

39. How many are 9 times 40?

times 90 90 times 4?

40 times 9? 4

40. How many are 5 times 60? 60 times 5? 6 times 50 50 times 6?

41. How many are 7 times 90? 90 times 7? 9 times 70 70 times 9?

42. How many are 8 times 50?

times 80? 80 times 5?

50 times 8? 5

43. How many are 6 times 70? 70 times 6? 7 times 60 60 times 7?

44. How many are 7 times 50? 50 times 7? times 70 70 times 5?

5

45. How many are 9 times 80? 80 times 9? 8 times 90? 90 times 8?

46. How many are 5 times 50? times 7 8 times 80? 9 times 90?

60 times 6? 70

47. How many are 2 times 20? 30 times 2? 40 times 2? 3 times 30? 80 times 6? 70 times 8? 60 times 9 9 times 50?

From the two foregoing sections, we may learn that when two numbers are to be multiplied together, it is immaterial which we multiply by. It is generally easier to multiply by the smaller number.

XIV.-1. Charlotte gave ten cents for a ruler, and four cents for an inkstand. How much did she give for both? How much must she give for two rulers and two inkstands?

2. 10 and 4 are how many? 2 times 10 and 2 times 4 are how many? 2 times 14 are how many?

3. If a slate costs ten cents, and a slate pencil costs one cent, how much will they both cost? How much would three slates and three pencils cost?

4. How many are 10 and 1? 3 times 10 and 3 times 1 3 times 11?

5. A barrel of sugar is worth ten dollars, and a barrel of apples is worth two dollars. How much are they both worth? How much would three barrels of sugar and three barrels of apples be worth?

6. Charles has twenty marbles in one pocket, and three in the other. How many has he in both? If he had four times as many, how many would he then have?

7. How many are 20 and 3? 4 times 20 and 4 times 3? 4 times 23?

8. How many are 5 times 3? 5 times 20? 5 times 3 and 5 times 20? 5 times 23?

9. Laura's father gave her ten cents, and her mother gave her six. How much did they both give her ? If they had each given her six times as much, how much would she have had?

10. How many are 10 and 6? 6 times 10 and 6 times 6? 6 times 16?

11. Sixteen ounces make one pound. How many ounces are there in six pounds? In 6 pounds and 1 ounce? 6 pounds and 2 ounces? 6 pounds and 4 ounces?

12. How many ounces are there in five pounds? In 5 pounds and 3 ounces? 5 pounds and 5 ounces? 5 pounds and 7 ounces? 5 pounds and 10 ounces?

13. How many ounces are there in eight pounds? In 8 pounds and 10 ounces? 8 pounds and 11 ounces? 8 pounds and 12 ounces? 8 pounds and 13 ounces? 14. How many ounces are there in ten pounds? In 10 pounds and 15 ounces?

15. Twelve inches make one foot. How many inches are there in seven feet? In 7 feet and 1 inch? 7 feet and 2 inches? 7 feet and 3 inches? 7 feet and 6 inches?

16. How many inches are there in nine feet? In ten feet? 10 feet and 10 inches? 10 feet and 11 inches? 11 feet? 11 feet and 5 inches?

17. Twenty-four hours make one day. How many hours are there in five days? In 5 days and 6 hours? 5 days and 10 hours? 5 days and 12 hours? 5 days and 16 hours?

18. How many hours are there in eight days? 8 days and 1 hour? 8 days and 7 hours? 8 days and 23 hours? 9 days?

19. Thirty days make one month. How many days are there in three months? 3 months and 10 days? 3 months and 20 days? 3 months and 25 days? 3 months and 29 days?

20. How many days are there in seven months? 7 months and 11 days? 7 months and 21 days? 7 months and 29 days? 8 months?

21. Four quarts make one gallon. How many quarts are there in 15 gallons? 17 gallons and 3 quarts? 17 gallons and 1 quart?

22. How many quarts are there in 21 gallons? 24 gallons? 24 gallons and 2 quarts? 27 gallons and 1 quart?

23. If one ton of hay cost 14 dollars, how much will 5 tons cost? 6 tons? 7 tons?

24. Thirty-two quarts make one bushel. How many quarts are there in 2 bushels? 3 bushels? 3 bushels and 10 quarts? 3 bushels and 20 quarts?

25. Sixty minutes make one hour. How many minutes are there in 4 hours? 6 hours? 7 hours and 10 minutes? 7 hours and 20 minutes? 7 hours and 40 minutes? 8 hours and 10 minutes?

26. How many are 5 times 17? 6 times 15? 7 times 13 9 times 14? 8 times 14? 7 times 16? 5 times 19 9 times 12? 6 times 18? 5 times 28? 3 times 37? 2 times 99? 9 times 22?

4. How many are 10 and 1? 3 times 10 and 3 times 1 3 times 11?

5. A barrel of sugar is worth ten dollars, and a barrel of apples is worth two dollars. How much are they both worth? How much would three barrels of sugar and three barrels of apples be worth?

6. Charles has twenty marbles in one pocket, and three in the other. How many has he in both? If he had four times as many, how many would he then have?

7. How many are 20 and 3? 4 times 20 and 4 times 3? 4 times 23?

8. How many are 5 times 3?! 5 times 20? 5 times 3 and 5 times 20? 5 times 23?

9. Laura's father gave her ten cents, and her mother gave her six. How much did they both give her? If they had each given her six times as much, how much would she have had?

10. How many are 10 and 6? 6 times 10 and 6 times 6 6 times 16?

11. Sixteen ounces make one pound. How many ounces are there in six pounds? In 6 pounds and 1 ounce? 6 pounds and 2 ounces? 6 pounds and 4

ounces?

12. How many ounces are there in five pounds? In 5 pounds and 3 ounces? 5 pounds and 5 ounces? 5 pounds and 7 ounces? 5 pounds and 10 ounces?

13. How many ounces are there in eight pounds? In 8 pounds and 10 ounces? 8 pounds and 11 ounces? 8 pounds and 12 ounces? 8 pounds and 13 ounces? 14. How many ounces are there in ten pounds? In 10 pounds and 15 ounces?

How many

15. Twelve inches make one foot. inches are there in seven feet? In 7 feet and 1 inch? 7 feet and 2 inches? 7 feet and 3 inches? 7 feet and 6 inches?