1. Division
Definition, Procedure, Approach, Practice

2. Division
• Separating a large group into smaller
groups with same number in each group.

3. Division
• Separating a large group into smaller
groups with same number in each group.

4. Division
• Separating a large group into smaller
groups with same number in each group.

5. Division
• Separating a large group into smaller
groups with same number in each group.

6. Division
• Separating a large group into smaller
groups with same number in each group.
9 stars divided into
3 groups of 3.

7. Division
Ten divided by
2 equals 5
10 2 = 5

8. Division
Ten divided by
2 equals 5
10 2 = 5

9. Division
Ten divided by
Dividend
2 equals 5
10 2 = 5

10. Division
Ten divided by
Dividend
2 equals 5
10 2 = 5
Division
Sign

11. Division
Ten divided by
Dividend Divisor
2 equals 5
10 2 = 5
Division
Sign

12. Division
Ten divided by
Dividend Divisor
2 equals 5
10 2 = 5
Division Equal
Sign Sign

13. Division
Ten divided by
Dividend Divisor Quotient
2 equals 5
10 2 = 5
Division Equal
Sign Sign

14. Division
15 3 = ?

15. Division
15 3 = ?

16. Division
15 3 = ?

17. Division
15 3 = ?

18. Division
15 3 = ?

19. Division
15 3 = 5
?

20. Division
15 3 = 5
?

21. Division
Dividend
15 3 = 5
?

22. Division
Dividend Divisor
15 3 = 5
?

23. Division
Dividend Divisor Quotient
15 3 = 5
?

24. You Try It... Division
Divide this group of
20 stars into smaller
groups

25. You Try It... Division
Divide this group of
20 stars into smaller
groups
4 groups of 5
20 4=5

26. You Try It... Division
Divide this group of
20 stars into smaller
groups
4 groups of 5
20 4=5
5 groups of 4
20 5=4

27. You Try It... Division
Divide this group of
20 stars into smaller
groups
4 groups of 5
20 4=5
5 groups of 4
20 5=4
2 groups of 10
20 2 = 10

28. You Try It... Division
Divide this group of
20 stars into smaller
groups
4 groups of 5
20 4=5
5 groups of 4
20 5=4
2 groups of 10
10 groups of 2
20 2 = 10
20 10 = 2

29. You Try It... Division

30. You Try It... Division
2

31. You Try It... Division
2
6

32. You Try It... Division
2
6
2

33. You Try It... Division
2
6
2
1

34. You Try It... Division
2
6
2
1

35. You Try It... Division
2 2
6
2
1

36. You Try It... Division
2 2
6
2
1

37. You Try It... Division
2 2
6 6
2
1

38. You Try It... Division
2 2
6 6
2
1

39. You Try It... Division
2 2
6 6
2 2
1

40. You Try It... Division
2 2
6 6
2 2
1

41. You Try It... Division
2 2
6 6
2 2
1 1

42. Division
• Division is just like MULTIPLICATION
but backwards...
• Consider this...
• 21 is 3 multiplied by what number?

43. Division
• Division is just like MULTIPLICATION
but backwards...
• Consider this...
• 21 is 3 multiplied by what number?
21 = 3 x ?

44. Division
• Division is just like MULTIPLICATION
but backwards...
• Consider this...
• 21 is 3 multiplied by what number?
21 = 3 x ?
7

45. Division & Multiplication
21 3 = 7

46. Division & Multiplication
21 = 3 = 7

47. Division & Multiplication
21 = 3 X 7
=

48. Division & Multiplication
21 = 3 X 7
=
35 7 = ?

49. Division & Multiplication
21 = 3 X 7
=
35 = 7 = ?

50. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= ?

51. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?

52. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 2 = ?

53. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 = ?

54. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X ?

55. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X 9
?

56. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X 9
?
24 6 = ?

57. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X 9
?
24 = 6 = ?

58. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X 9
?
24 = 6 X
= ?

59. Division & Multiplication
21 = 3 X 7
=
35 = 7 X
= 5
?
18 = 2 =
X 9
?
24 = 6 X
= 4
?

60. Division
Use a Number Line

61. Division
Repeat Subtraction
12 3 = ?

62. Division
Repeat Subtraction
12 3 = ?
12

63. Division
Repeat Subtraction
12 3 = ?
12

64. Division
Repeat Subtraction
12 3 = ?
12
3

65. Division
Repeat Subtraction
12 3 = ?
12
3 1

66. Division
Repeat Subtraction
12 3 = ?
12
3 1
9

67. Division
Repeat Subtraction
12 3 = ?
12
3 1
9

68. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3

69. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2

70. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6

71. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6

72. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3

73. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3

74. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3
3

75. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3
3

76. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3
3
3

77. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3
3
3 4

78. Division
Repeat Subtraction
12 3 = ?
12
3 1
9
3 2
6
3 3
3
3 4
0

79. Division
Repeat Subtraction
12 3 = 4
?
12
3 1
9
3 2
6
3 3
3
3 4
0

80. Division
3 21

81. Division
3 21

82. Division
3 21 Dividend

83. Division
Divisor 3 21 Dividend

84. Division
Division
Sign
Divisor 3 21 Dividend

85. Division
Division
Sign
Divisor 3 21 Dividend

86. Division
Division
Sign Quotient
Divisor 3 21 Dividend

87. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend

88. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend

89. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
Remember, you need to
line up all the digits in the
QUOTIENT with the digits
in the DIVIDEND

90. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
Remember, you need to
line up all the digits in the
3 21 QUOTIENT with the digits
in the DIVIDEND

91. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
7 Remember, you need to
line up all the digits in the
3 21 QUOTIENT with the digits
in the DIVIDEND

92. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
X
7 Remember, you need to
line up all the digits in the
3 21 QUOTIENT with the digits
in the DIVIDEND

93. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
X
7 Remember, you need to
line up all the digits in the
3 21 QUOTIENT with the digits
in the DIVIDEND

94. Division
Division
Sign Quotient
7
Divisor 3 21 Dividend
X7
7 Remember, you need to
line up all the digits in the
3 21 QUOTIENT with the digits
in the DIVIDEND

95. Division... You Try It...