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Addition and subtraction within 100 (no regroupi ...
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Order the numbers from the greatest to the least: 30, 57, 15
57,30,15
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What number is this?
25: twenty-five
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14 + 35
49
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43 + 45
88
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Okay!
75 - 51
24
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Okay!
85 - 74
11
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36+61
97
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48 - 15
33
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25+53
78
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What number is this?
41: forty-one
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46+32
78
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What number is this?
66: sixty-six
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Order the numbers from the least to the greatest: 30, 57, 15
15, 30, 57
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78 - 64
14
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89 - 56
33
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Okay!
97 - 42
55
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Okay!
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