Each number can also be shown using  a word.

The following table shows the number words that you will need to be able
to recognize.

1
one

2
two

3
three
4
four
5
five
6
six
7
seven
8
eight
9
nine
10
ten
11
eleven
12
twelve
13
thirteen
14
fourteen
15
fifteen
16
sixteen
17
seventeen
18
eighteen 
19
nineteen 
20
twenty
21 22 23 24 25 26 27 28 29 30
thirty
31 32 33 34 35 36 37 38 39 40
forty 
41 42 43 44 45 46 47 48 49 50
fifty
51 52 53 54 55 56 57 58 59 60
sixty
61 62 63 64 65 66 67 68 69 70
seventy
71 72 73 74 75 76 77 78 79 80
eighty
81 82 83 84 85 86 87 88 89 90
niinety 
91 92 93 94 95 96 97 98 99 100
one hundred

Notice that the following numbers begin with a number one. The number words all end in "teen".

13
thirteen

14
fourteen

15
fifteen

16
sixteen

17
seventeen

18
eighteen

19
nineteen

 

Notice that the following numbers end in zero.  Their number words all end in "ty" (except 10 ten).

 

10
ten

20
twenty

30
thirty

40
forty

50
fifty

60
sixty

70
seventy

80
eighty

90
ninety

 
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