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Math
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3rd Grade
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Three-Digit Addition
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Sheet 3
Three-Digit Addition — Worksheet 3
Name:
Date:
Three-Digit Addition
Solve each problem. Show your work!
1.
676
130
+
2.
464
159
+
3.
710
484
+
4.
489
229
+
5.
310
542
+
6.
255
166
+
7.
671
481
+
8.
734
803
+
9.
358
652
+
10.
329
637
+
11.
521
765
+
12.
531
109
+
13.
801
348
+
14.
849
715
+
15.
436
671
+
16.
223
394
+
17.
678
101
+
18.
106
482
+
19.
790
582
+
20.
645
729
+
806
623
1194
718
852
421
1152
1537
1010
966
1286
640
1149
1564
1107
617
779
588
1372
1374
fun
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3rd Grade · Sheet #3