Common Core: 3.NBT — Number & Operations in Base Ten
Grade 3 • addition • Medium
3-Digit Addition (Set E)
Master 3-digit addition
8 problems
1.
291
+275
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2.
307
+209
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3.
323
+144
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4.
339
+478
___
5.
355
+412
___
6.
371
+347
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7.
387
+281
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8.
403
+215
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