1. 32 x 25 Multiplying By 25 32 x 25 1.Divide the non-25 number by 4. 2.Add two zeroes. 4 = 8 +00 =8 00 (1/4 rule) 32

2. What happens when the number is not divisible by 25? (1/4 rule) 29 x 25

3. What happens when the number is not divisible by 25? (1/4 rule) 29 x 25 1.Divide the non-25 number by 4. 2.For each remainder, add 25 4 = 7 +25(1) =7 25 29

4. What happens when the number is not divisible by 25? (1/4 rule) 30 x 25

5. What happens when the number is not divisible by 25? (1/4 rule) 30 x 25 1.Divide the non-25 number by 4. 2.For each remainder, add 25 4 = 7 +25(2) =7 50 30

6. What happens when the number is not divisible by 25? (1/4 rule) 31 x 25

7. What happens when the number is not divisible by 25? (1/4 rule) 30 x 25 1.Divide the non-25 number by 4. 2.For each remainder, add 25 4 = 7 +25(3) =7 75 31

8. Multiplying By 25 Drill Depending on how much you would like to practice, number your notebook paper 1 thru 100. For the next slides you will have 6 seconds per slide. Try doing the questions mentally.

9. At any point you want to stop, go to the very end of this presentation to check your answers. Award yourself 5 points for every correct answer. Deduct 4 points for every wrong answer, scratched out answer, skipped problem, and problem you had scratch work.

10. Multiplying By 25 Drill The highest possible score will be 500, the lowest -400. The more you practice the better you will get! Have FUN!!

11. Multiplying By 25 3 x 25 1)

12. Multiplying By 25 45 x 25 2)

13. Multiplying By 25 18 x 25 3)

14. Multiplying By 25 44 x 25 4)

15. Multiplying By 25 19 x 25 5)

16. Multiplying By 25 51 x 25 6)

17. Multiplying By 25 31 x 25 7)

18. Multiplying By 25 32 x 25 8)

19. Multiplying By 25 48 x 25 9)

20. Multiplying By 25 74 x 25 10)

21. Multiplying By 25 38 x 25 11)

22. Multiplying By 25 25 x 25 12)

23. Multiplying By 25 36 x 25 13)

24. Multiplying By 25 79 x 25 14)

25. Multiplying By 25 42 x 25 15)

26. Multiplying By 25 39 x 25 16)

27. Multiplying By 25 87 x 25 17)

28. Multiplying By 25 30 x 25 18)

29. Multiplying By 25 91 x 25 19)

30. Multiplying By 25 47 x 25 20)

31. Multiplying By 25 13 x 25 21)

32. Multiplying By 25 86 x 25 22)

33. Multiplying By 25 14 x 25 23)

34. Multiplying By 25 71 x 25 24)

35. Multiplying By 25 84 x 25 25)

36. Multiplying By 25 97 x 25 26)

37. Multiplying By 25 88 x 25 27)

38. Multiplying By 25 60 x 25 28)

39. Multiplying By 25 99 x 25 29)

40. Multiplying By 25 58 x 25 30)

41. Multiplying By 25 5 x 25 31)

42. Multiplying By 25 76 x 25 32)

43. Multiplying By 25 37 x 25 33)

44. Multiplying By 25 12 x 25 34)

45. Multiplying By 25 20 x 25 35)

46. Multiplying By 25 61 x 25 36)

47. Multiplying By 25 54 x 25 37)

48. Multiplying By 25 40 x 25 38)

49. Multiplying By 25 98 x 25 39)

50. Multiplying By 25 85 x 25 40)

51. Multiplying By 25 49 x 25 41)

52. Multiplying By 25 69 x 25 42)

53. Multiplying By 25 93 x 25 43)

54. Multiplying By 25 94 x 25 44)

55. Multiplying By 25 7 x 25 45)

56. Multiplying By 25 21 x 25 46)

57. Multiplying By 25 15 x 25 47)

58. Multiplying By 25 53 x 25 48)

59. Multiplying By 25 81 x 25 49)

60. Multiplying By 25 29 x 25 50)

61. Multiplying By 25 72 x 25 51)

62. Multiplying By 25 56 x 25 52)

63. Multiplying By 25 17 x 25 53)

64. Multiplying By 25 35 x 25 54)

65. Multiplying By 25 50 x 25 55)

66. Multiplying By 25 75 x 25 56)

67. Multiplying By 25 100 x 25 57)

68. Multiplying By 25 73 x 25 58)

69. Multiplying By 25 1 x 25 59)

70. Multiplying By 25 22 x 25 60)

71. Multiplying By 25 66 x 25 61)

72. Multiplying By 25 4 x 25 62)

73. Multiplying By 25 68 x 25 63)

74. Multiplying By 25 9 x 25 64)

75. Multiplying By 25 8 x 25 65)

76. Multiplying By 25 92 x 25 66)

77. Multiplying By 25 83 x 25 67)

78. Multiplying By 25 41 x 25 68)

79. Multiplying By 25 95 x 25 69)

80. Multiplying By 25 63 x 25 70)

81. Multiplying By 25 46 x 25 71)

82. Multiplying By 25 6 x 25 72)

83. Multiplying By 25 96 x 25 73)

84. Multiplying By 25 52 x 25 74)

85. Multiplying By 25 24 x 25 75)

86. Multiplying By 25 82 x 25 76)

87. Multiplying By 25 57 x 25 77)

88. Multiplying By 25 34 x 25 78)

89. Multiplying By 25 43 x 25 79)

90. Multiplying By 25 62 x 25 80)

91. Multiplying By 25 90 x 25 81)

92. Multiplying By 25 27 x 25 82)

93. Multiplying By 25 55 x 25 83)

94. Multiplying By 25 16 x 25 84)

95. Multiplying By 25 80 x 25 85)

96. Multiplying By 25 2 x 25 86)

97. Multiplying By 25 33 x 25 87)

98. Multiplying By 25 23 x 25 88)

99. Multiplying By 25 89 x 25 89)

100. Multiplying By 25 64 x 25 90)

101. Multiplying By 25 65 x 25 91)

102. Multiplying By 25 67 x 25 92)

103. Multiplying By 25 28 x 25 93)

104. Multiplying By 25 36 x 25 94)

105. Multiplying By 25 59 x 25 95)

106. Multiplying By 25 70 x 25 96)

107. Multiplying By 25 10 x 25 97)

108. Multiplying By 25 77 x 25 98)

109. Multiplying By 25 11 x 25 99)

110. Multiplying By 25 78 x 25 100)

111. Multiplying by 25 Drill Answer key part one 1) 75 2) 1125 3) 450 4) 1100 5) 475 6) 1275 7) 775 8) 800 9) 1200 10) 1850 11) 950 12) 625 13) 900 14) 1975 15) 1050 16) 975 17) 2175 18) 750 19) 2275 20) 1175 21) 325 22) 2150 23) 350 24) 1775 25) 2100 26) 2425 27) 2200 28) 1500 29) 2475 30) 1450 31) 125 32) 1900 33) 925 34) 300 35) 500 36) 1525 37) 1350 38) 1000 39) 2450 40) 2125 41) 1225 42) 1725 43) 2325 44) 2350 45) 175 46) 525 47) 375 48) 1325 49) 2025 50) 725 51) 1800 52) 1400 53) 425 54) 875 55) 1250 56) 1875 57) 2500 58) 1825 59) 25 60) 550

112. Multiplying by 25 Drill Answer key part two 61) 1650 62) 100 63) 1700 64) 225 65) 200 66) 2300 67) 2075 68) 1025 69) 2375 70) 1575 71) 1150 72) 150 73) 2400 74) 1300 75) 600 76) 2050 77) 1425 78) 850 79) 1075 80) 1550 81) 2250 82) 675 83) 1375 84) 400 85) 2000 86) 50 87) 825 88) 575 89) 2225 90) 1600 91) 1625 92) 1675 93) 700 94) 900 95) 1475 96)1750 97) 250 98) 1925 99) 275 100) 1950