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Math
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3rd Grade
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Three-Digit Addition
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Sheet 2
Three-Digit Addition — Worksheet 2
Name:
Date:
Three-Digit Addition
Solve each problem. Show your work!
1.
687
359
+
2.
328
530
+
3.
800
604
+
4.
499
385
+
5.
725
191
+
6.
728
261
+
7.
439
767
+
8.
565
212
+
9.
637
393
+
10.
877
131
+
11.
832
149
+
12.
202
253
+
13.
105
852
+
14.
461
607
+
15.
890
286
+
16.
474
378
+
17.
142
516
+
18.
176
146
+
19.
868
744
+
20.
100
885
+
1046
858
1404
884
916
989
1206
777
1030
1008
981
455
957
1068
1176
852
658
322
1612
985
fun
children.com
3rd Grade · Sheet #2