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Study
Addition and Subtraction Within 1000
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249 − 124 =
125
Oops!
Okay!
153 + 449 =
602
Oops!
Okay!
254 + 196 =
450
Oops!
Okay!
215 + 126 =
341
Oops!
Okay!
718 − 300 =
418
Oops!
Okay!
854 - 230 =
624
Oops!
Okay!
163 + 229 =
392
Oops!
Okay!
763 − 207 =
556
Oops!
Okay!
204 + 517 =
721
Oops!
Okay!
450 - 232 =
218
Oops!
Okay!
242 − 128 = ⋅⋅⋅
114
Oops!
Okay!
368 + 300 =
668
Oops!
Okay!
5671 − 710 =
4,961
Oops!
Okay!
703 + 348 =
1,051
Oops!
Okay!
Oops!
Okay!
426 + 439 =
865
Oops!
Okay!
340 + 920 =
1,260
Oops!
Okay!
278 + 50 =
328
Oops!
Okay!
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