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Addition and subtraction within 100 (no regroupi ...

English 16 Public

Addition and subtraction

Study Slideshow

46+32

78

15

25+53

78

15

78 - 64

14

15

89 - 56

33

15

36+61

97

15

43 + 45

88

15

14 + 35

49

15

75 - 51

24

15

97 - 42

55

15

48 - 15

33

15

85 - 74

11

15

Order the numbers from the least to the greatest: 30, 57, 15

15, 30, 57

15

Order the numbers from the greatest to the least: 30, 57, 15

57,30,15

15

What number is this?

41: forty-one

15

What number is this?

25: twenty-five

15

What number is this?

66: sixty-six

15