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Adding Groups of 10 to a given number
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34 + 10
44
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Okay!
Mrs. Mitcheff has 43 crayons. Mrs. Willard gives her 10 more. How many crayons does Mrs. Mitcheff have in all?
53
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Okay!
74 + 20 =
94
Oops!
Okay!
10 + 10 =
20
Oops!
Okay!
27 + 20 =
97
Oops!
Okay!
73 + 30 =
103
Oops!
Okay!
61 + 20 =
81
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Okay!
47 + 10 =
57
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Okay!
Mrs. Jarvis has 24 colored pencils. Mrs. Barwacz gives her 30 more. How many pencils does she have in all?
74
Oops!
Okay!
0 + 50 =
50
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Okay!
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