childrenlearningonline.net
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N
D
Twenty
One
Twenty-one
''Easy!''
Twenty-two
Twenty-three
''Now try counting to 30 yourself. If you have problems just click on me!''
''24 twenty-four, 25 twenty-five, 26 twenty-six, 27 twenty-seven, 28 twenty-eight, 29 twenty-nine, 30 thirty''