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Study
numbers 10-100
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90
ninety
Oops!
Okay!
30+40=
seventy
Oops!
Okay!
50+30=
eighty
Oops!
Okay!
70
seventy
Oops!
Okay!
60
sixty
Oops!
Okay!
40+20=
sixty
Oops!
Okay!
50
fifty
Oops!
Okay!
70+20=
ninety
Oops!
Okay!
80
eighty
Oops!
Okay!
100
one hundred
Oops!
Okay!
40
forty
Oops!
Okay!
10+20=
thirty
Oops!
Okay!
30
thirty
Oops!
Okay!
10
ten
Oops!
Okay!
20
twenty
Oops!
Okay!
90+10=
one hundred
Oops!
Okay!
80+20=
one hundred
Oops!
Okay!
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