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Math
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3rd Grade
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Three-Digit Addition
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Sheet 14
Three-Digit Addition — Worksheet 14
Name:
Date:
Three-Digit Addition
Solve each problem. Show your work!
1.
458
440
+
2.
508
383
+
3.
255
440
+
4.
637
108
+
5.
848
800
+
6.
388
150
+
7.
707
108
+
8.
230
369
+
9.
440
845
+
10.
154
615
+
11.
304
717
+
12.
413
861
+
13.
620
830
+
14.
307
276
+
15.
140
618
+
16.
287
223
+
17.
570
332
+
18.
141
858
+
19.
552
723
+
20.
720
630
+
898
891
695
745
1648
538
815
599
1285
769
1021
1274
1450
583
758
510
902
999
1275
1350
fun
children.com
3rd Grade · Sheet #14