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Three-Digit Addition Practice

Worksheet
Grade 2
English

Three-Digit Addition Practice

Three-Digit Addition with Regrouping

This worksheet focuses on adding numbers within 1000 using place value strategies. It is designed to help students visualize the alignment of hundreds, tens, and ones using a grid support system.
Common Core Alignment:
  • CCSS.MATH.CONTENT.2.NBT.B.7: Add within 1000, relating the strategy to a written method.
Name:
Date:
Three-Digit Addition MasterySolve each problem. Use the grid to keep your Hundreds, Tens, and Ones aligned!
1.
HTO
245
+138
2.
456
+273
3.
329
+482
4.
157
+324
5.
582
+219
6.
274
+351
7.
638
+145
8.
427
+291
9.
385
+432
10.
199
+201
11.
546
+127
12.
333
+444
13.
281
+195
14.
408
+356
15.
123
+456
16.
719
+182
17.
250
+350
18.
642
+179
19.
111
+889
20.
555
+267
Aligned to CCSS.MATH.CONTENT.2.NBT.B.7