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Complete the series: ___, 33, 34, 35
thirty-one 31
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12 - 2
ten 10
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Okay!
20 + 10
Thirty 30
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Okay!
Complete the series: 22, ____, 24, 25, 26
twenty-three 23
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Okay!
Complete the series: 15, 16, 17, ___, 19
Eighteen 18
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Okay!
2 + 3
five 5
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Okay!
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