怎么教宝宝数学

21 twenty-one

22 twenty-two

23 twenty-three

24 twenty-four

25 twenty-five

26 twenty-six

27 twenty-seven

28 twenty-eight

29 twenty-ning

30 thirty

31 thirty-one

32 thirty-two

33 thirty-three

34 thirty-four

35 thirty-five

36 thirty-six

37 thirty-seven

38 thirty-eight

39 thirty-ning

40 forty

41 forty-one

42 forty-two

43 forty-three

44forty-four

45 forty-five

46 forty-six

47 forty-seven

48 forty-eight

49 forty-nine

50 fifty

51 fifty-one

52 fifty-two

53 fifty-three

54 fifty-four

55 fifty-five

56 fifty-six

57 fifty-seven

58 fifty-eight

59 fifty-nine

60 sixty

61 sixty-one

62 sixty-two

63 sixty-three

64 sixty-four

65 sixty-five

66 sixty-six

67 sixty-seven

68 sixty-eight

69 sixty-nine

70 seventy

71 seventy-one

72 seventy-two

73 seventy-three

74 seventy-four

75 seventy-five

76 seventy-six

77 seventy-seven

78 seventy-eight

79 seventy-nine

80 eighty

81 eighty-one

82 eighty-two

83 eighty-three

84 eighty-four

85 eighty-five

86 eighty-six

87 eighty-seven

88 eighty-eight

89 eighty-nine

90 ninty

91 ninty-one

92 ninty-two

93 ninty-three

94 ninty-four

95 ninty-five

96 ninty-six

97 ninty-seven

98 ninty-eight

99 ninty-nine

扩展资料：

基数词变化规律如下所示：

1、1至10无规律可循： one、two、three、four、five、six、seven、eight、nine、ten；

2、11至19 ：eleven、twelve、thirteen、fourteen、fifteen、sixteen、seventeen、eighteen、 nineteen；

3、从20至99：整数的几十中除了twenty（二十）、thirty（三十）、forty（四十）、fifty（五十）、eighty（八十）为特殊形式外，sixty（六十）、seventy（七十）、ninety（九十）都是其个位数形式后添加后缀-ty构成。

4、百位数个数基数词形式加“hundred”，表示几百，在几十几与百位间加上and。