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(1/4 rule). Multiplying By 25 32 x 25. 32. Divide the non-25 number by 4. Add two zeroes. . 8. +00. =. 4. = 8 00. (1/4 rule). What happens when the number is not divisible by 25?. 29 x 25. (1/4 rule). 29 x 25. What happens when the number is not divisible by 25?.

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multiplying by 25 32 x 25

(1/4 rule)

Multiplying By 2532 x 25

32

Divide the non-25 number by 4.

Add two zeroes.

8

+00

=

4

=800

what happens when the number is not divisible by 251

(1/4 rule)

29 x 25

What happens when the number is not divisible by 25?

Divide the non-25 number by 4.

For each remainder, add 25

29

7

+25(1)

=

4

=725

what happens when the number is not divisible by 253

(1/4 rule)

30 x 25

What happens when the number is not divisible by 25?

Divide the non-25 number by 4.

For each remainder, add 25

30

7

+25(2)

=

4

=750

what happens when the number is not divisible by 255

(1/4 rule)

30 x 25

What happens when the number is not divisible by 25?

Divide the non-25 number by 4.

For each remainder, add 25

31

7

+25(3)

=

4

=775

slide8

Multiplying By 25 DrillDepending 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.

slide9

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.

slide10

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

slide11

1)

Multiplying By 25

3 x 25

slide12

2)

Multiplying By 25

45 x 25

slide13

3)

Multiplying By 25

18 x 25

slide14

4)

Multiplying By 25

44 x 25

slide15

5)

Multiplying By 25

19 x 25

slide16

6)

Multiplying By 25

51 x 25

slide17

7)

Multiplying By 25

31 x 25

slide18

8)

Multiplying By 25

32 x 25

slide19

9)

Multiplying By 25

48 x 25

slide20

10)

Multiplying By 25

74 x 25

slide21

11)

Multiplying By 25

38 x 25

slide22

12)

Multiplying By 25

25 x 25

slide23

13)

Multiplying By 25

36 x 25

slide24

14)

Multiplying By 25

79 x 25

slide25

15)

Multiplying By 25

42 x 25

slide26

16)

Multiplying By 25

39 x 25

slide27

17)

Multiplying By 25

87 x 25

slide28

18)

Multiplying By 25

30 x 25

slide29

19)

Multiplying By 25

91 x 25

slide30

20)

Multiplying By 25

47 x 25

slide31

21)

Multiplying By 25

13 x 25

slide32

22)

Multiplying By 25

86 x 25

slide33

23)

Multiplying By 25

14 x 25

slide34

24)

Multiplying By 25

71 x 25

slide35

25)

Multiplying By 25

84 x 25

slide36

26)

Multiplying By 25

97 x 25

slide37

27)

Multiplying By 25

88 x 25

slide38

28)

Multiplying By 25

60 x 25

slide39

29)

Multiplying By 25

99 x 25

slide40

30)

Multiplying By 25

58 x 25

slide41

31)

Multiplying By 25

5 x 25

slide42

32)

Multiplying By 25

76 x 25

slide43

33)

Multiplying By 25

37 x 25

slide44

34)

Multiplying By 25

12 x 25

slide45

35)

Multiplying By 25

20 x 25

slide46

36)

Multiplying By 25

61 x 25

slide47

37)

Multiplying By 25

54 x 25

slide48

38)

Multiplying By 25

40 x 25

slide49

39)

Multiplying By 25

98 x 25

slide50

40)

Multiplying By 25

85 x 25

slide51

41)

Multiplying By 25

49 x 25

slide52

42)

Multiplying By 25

69 x 25

slide53

43)

Multiplying By 25

93 x 25

slide54

44)

Multiplying By 25

94 x 25

slide55

45)

Multiplying By 25

7 x 25

slide56

46)

Multiplying By 25

21 x 25

slide57

47)

Multiplying By 25

15 x 25

slide58

48)

Multiplying By 25

53 x 25

slide59

49)

Multiplying By 25

81 x 25

slide60

50)

Multiplying By 25

29 x 25

slide61

51)

Multiplying By 25

72 x 25

slide62

52)

Multiplying By 25

56 x 25

slide63

53)

Multiplying By 25

17 x 25

slide64

54)

Multiplying By 25

35 x 25

slide65

55)

Multiplying By 25

50 x 25

slide66

56)

Multiplying By 25

75 x 25

slide67

57)

Multiplying By 25

100 x 25

slide68

58)

Multiplying By 25

73 x 25

slide69

59)

Multiplying By 25

1 x 25

slide70

60)

Multiplying By 25

22 x 25

slide71

61)

Multiplying By 25

66 x 25

slide72

62)

Multiplying By 25

4 x 25

slide73

63)

Multiplying By 25

68 x 25

slide74

64)

Multiplying By 25

9 x 25

slide75

65)

Multiplying By 25

8 x 25

slide76

66)

Multiplying By 25

92 x 25

slide77

67)

Multiplying By 25

83 x 25

slide78

68)

Multiplying By 25

41 x 25

slide79

69)

Multiplying By 25

95 x 25

slide80

70)

Multiplying By 25

63 x 25

slide81

71)

Multiplying By 25

46 x 25

slide82

72)

Multiplying By 25

6 x 25

slide83

73)

Multiplying By 25

96 x 25

slide84

74)

Multiplying By 25

52 x 25

slide85

75)

Multiplying By 25

24 x 25

slide86

76)

Multiplying By 25

82 x 25

slide87

77)

Multiplying By 25

57 x 25

slide88

78)

Multiplying By 25

34 x 25

slide89

79)

Multiplying By 25

43 x 25

slide90

80)

Multiplying By 25

62 x 25

slide91

81)

Multiplying By 25

90 x 25

slide92

82)

Multiplying By 25

27 x 25

slide93

83)

Multiplying By 25

55 x 25

slide94

84)

Multiplying By 25

16 x 25

slide95

85)

Multiplying By 25

80 x 25

slide96

86)

Multiplying By 25

2 x 25

slide97

87)

Multiplying By 25

33 x 25

slide98

88)

Multiplying By 25

23 x 25

slide99

89)

Multiplying By 25

89 x 25

slide100

90)

Multiplying By 25

64 x 25

slide101

91)

Multiplying By 25

65 x 25

slide102

92)

Multiplying By 25

67 x 25

slide103

93)

Multiplying By 25

28 x 25

slide104

94)

Multiplying By 25

36 x 25

slide105

95)

Multiplying By 25

59 x 25

slide106

96)

Multiplying By 25

70 x 25

slide107

97)

Multiplying By 25

10 x 25

slide108

98)

Multiplying By 25

77 x 25

slide109

99)

Multiplying By 25

11 x 25

slide110

100)

Multiplying By 25

78 x 25

slide111

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

slide112

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

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