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Math
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3rd Grade
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Three-Digit Addition
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Sheet 6
Three-Digit Addition — Worksheet 6
Name:
Date:
Three-Digit Addition
Solve each problem. Show your work!
1.
520
101
+
2.
630
261
+
3.
533
156
+
4.
103
836
+
5.
876
268
+
6.
847
406
+
7.
117
141
+
8.
462
727
+
9.
605
484
+
10.
425
259
+
11.
890
856
+
12.
315
855
+
13.
782
887
+
14.
658
855
+
15.
869
855
+
16.
274
542
+
17.
264
333
+
18.
270
765
+
19.
423
565
+
20.
562
808
+
621
891
689
939
1144
1253
258
1189
1089
684
1746
1170
1669
1513
1724
816
597
1035
988
1370
fun
children.com
3rd Grade · Sheet #6