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Math Fluency (Mod 4, Lesson 11)

English 15 Public

Math Fluency (Mod 4, Lesson 11)

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22 - 11 =?

11

15

33 - 22 = ?

11

15

55 - 11 = ?

44

15

77 - 55 = ?

22

15

80 - 40 = ?

40

15

90 - 30 = ?

60

15

30 - 10 = ?

20

15

50 + 20 = ?

70

15

40 + 50 = ?

90

15

40 + 40 = ?

80

15

33 + 22 = ?

55

15

66 + 11 = ?

77

15

55 + 44 = ?

99

15

33 + 44 = ?

77

15

99 - 22 = ?

77

15