Common Core: 3.NBT — Number & Operations in Base Ten
Grade 3 • addition • Medium
3-Digit Addition (Set A)
Add 3-digit numbers without regrouping
8 problems
1.
227
+137
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2.
243
+472
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3.
259
+406
___
4.
275
+340
___
5.
291
+275
___
6.
307
+209
___
7.
323
+144
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8.
339
+478
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