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Study
Numbers 10-50
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thirty-nine
19
29
39
49
Oops!
Okay!
thirty-three
43
33
13
23
Oops!
Okay!
forty-two
42
22
32
12
Oops!
Okay!
Twenty-five
35
45
25
15
Oops!
Okay!
Thirty-seven
47
27
17
37
Oops!
Okay!
thirty-four
34
44
14
24
Oops!
Okay!
Twenty-eight
38
18
48
28
Oops!
Okay!
Forty
34
14
24
40
Oops!
Okay!
Thirty-two
12
32
22
42
Oops!
Okay!
Twenty-six
16
46
26
36
Oops!
Okay!
forty-one
31
21
14
41
Oops!
Okay!
Thirty
30
33
13
23
Oops!
Okay!
Twenty-seven
27
17
37
47
Oops!
Okay!
Twenty-three
23
33
43
13
Oops!
Okay!
Twenty-two
22
32
42
12
Oops!
Okay!
Twenty
22
32
20
12
Oops!
Okay!
Twenty-nine
39
49
19
29
Oops!
Okay!
Twenty-four
44
34
14
24
Oops!
Okay!
Fifty
35
50
25
15
Oops!
Okay!
Thirty-one
31
21
13
41
Oops!
Okay!
thirty-eight
28
48
38
18
Oops!
Okay!
thirty-five
45
15
35
25
Oops!
Okay!
thirty-six
46
36
26
16
Oops!
Okay!
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