Workbook Detail
Addition Digit Count Addition 2 Digit To 3 Digit — Set 21
440 + 216 = ___
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Answer: 656
- Operand1
- 440
- Operand2
- 216
- Operator
- +
140 + 824 = ___
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Answer: 964
- Operand1
- 140
- Operand2
- 824
- Operator
- +
104 + 860 = ___
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Answer: 964
- Operand1
- 104
- Operand2
- 860
- Operator
- +
203 + 505 = ___
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Answer: 708
- Operand1
- 203
- Operand2
- 505
- Operator
- +
211 + 50 = ___
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Answer: 261
- Operand1
- 211
- Operand2
- 50
- Operator
- +
261 + 515 = ___
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Answer: 776
- Operand1
- 261
- Operand2
- 515
- Operator
- +
412 + 167 = ___
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Answer: 579
- Operand1
- 412
- Operand2
- 167
- Operator
- +
23 + 351 = ___
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Answer: 374
- Operand1
- 23
- Operand2
- 351
- Operator
- +
307 + 572 = ___
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Answer: 879
- Operand1
- 307
- Operand2
- 572
- Operator
- +
128 + 800 = ___
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Answer: 928
- Operand1
- 128
- Operand2
- 800
- Operator
- +
55 + 143 = ___
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Answer: 198
- Operand1
- 55
- Operand2
- 143
- Operator
- +
310 + 588 = ___
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Answer: 898
- Operand1
- 310
- Operand2
- 588
- Operator
- +
120 + 361 = ___
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Answer: 481
- Operand1
- 120
- Operand2
- 361
- Operator
- +
8 + 21 = ___
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Answer: 29
- Operand1
- 8
- Operand2
- 21
- Operator
- +
44 + 703 = ___
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Answer: 747
- Operand1
- 44
- Operand2
- 703
- Operator
- +
53 + 231 = ___
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Answer: 284
- Operand1
- 53
- Operand2
- 231
- Operator
- +
286 + 701 = ___
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Answer: 987
- Operand1
- 286
- Operand2
- 701
- Operator
- +
141 + 228 = ___
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Answer: 369
- Operand1
- 141
- Operand2
- 228
- Operator
- +
422 + 71 = ___
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Answer: 493
- Operand1
- 422
- Operand2
- 71
- Operator
- +
10 + 124 = ___
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Answer: 134
- Operand1
- 10
- Operand2
- 124
- Operator
- +
Teaching Notes
Download this free addition 2 digit to 3 digit math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a 2 digit to 3 digit set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
How do I use this Addition 2 Digit To 3 Digit Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.