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Math
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3rd Grade
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Three-Digit Addition
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Sheet 17
Three-Digit Addition — Worksheet 17
Name:
Date:
Three-Digit Addition
Solve each problem. Show your work!
1.
641
254
+
2.
525
232
+
3.
170
708
+
4.
325
537
+
5.
305
646
+
6.
737
343
+
7.
288
258
+
8.
604
691
+
9.
334
486
+
10.
652
635
+
11.
544
586
+
12.
552
424
+
13.
151
151
+
14.
801
356
+
15.
439
607
+
16.
584
136
+
17.
283
742
+
18.
184
865
+
19.
356
187
+
20.
674
257
+
895
757
878
862
951
1080
546
1295
820
1287
1130
976
302
1157
1046
720
1025
1049
543
931
fun
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3rd Grade · Sheet #17