Add Four 3-Digit Numbers
Browse 30 Add Four 3-Digit Numbers worksheets for Grade 2 Math. These Addition worksheets are designed to give students targeted practice and build confidence in math.
Choose from Easy, Medium, Hard worksheets in this collection. Use the PDF and Key buttons to see available downloads. Pro labels indicate membership access; account requirements are shown when you download.
Whether you're a teacher looking for addition practice problems, a homeschool parent building a Grade 2 curriculum, or a tutor helping a student catch up, choose an available worksheet that matches what your student is practising.
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| # | Worksheet | Questions | Actions |
|---|---|---|---|
| Easy(Four numbers 100–549) | |||
| 1 | 9 questions | ||
| 2 | 9 questions | ||
| 3 | 9 questions | ||
| 4 | 9 questions | ||
| 5 | 9 questions | ||
| 6 | 9 questions | ||
| 7 | 9 questions | ||
| 8 | 9 questions | ||
| 9 | 9 questions | ||
| 10 | Pro | 9 questions | |
| Medium(Four numbers 100–999) | |||
| 1 | 9 questions | ||
| 2 | 9 questions | ||
| 3 | 9 questions | ||
| 4 | 9 questions | ||
| 5 | 9 questions | ||
| 6 | 9 questions | ||
| 7 | 9 questions | ||
| 8 | 9 questions | ||
| 9 | 9 questions | ||
| 10 | Pro | 9 questions | |
| Hard(Four numbers 500–999) | |||
| 1 | 9 questions | ||
| 2 | 9 questions | ||
| 3 | 9 questions | ||
| 4 | 9 questions | ||
| 5 | 9 questions | ||
| 6 | 9 questions | ||
| 7 | 9 questions | ||
| 8 | 9 questions | ||
| 9 | 9 questions | ||
| 10 | Pro | 9 questions | |
Prerequisites
Practice Questions
- 234 + 156 + 327 + 142 = ?
Show answer
859
- 315 + 248 + 164 + 235 = ?
Show answer
962
- 426 + 135 + 273 + 154 = ?
Show answer
988
- 527 + 216 + 184 + 263 = ?
Show answer
1,190
- 318 + 254 + 476 + 192 = ?
Show answer
1,240
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Quick Tip
Teacher Resources
Teaching Notes
Emphasize place value alignment and the process of regrouping across columns. Encourage students to check their work by estimating or adding in a different order.
Vocabulary
Common Mistakes
- Forgetting to carry (regroup) to the next place value column.
- Misaligning numbers vertically, leading to incorrect place value addition.
- Errors in basic addition facts for each column.
Differentiation
Discussion Questions
- Why is it important to align the numbers by place value before adding?
- What happens if you forget to 'carry' a ten or a hundred?
- How can you use estimation to check if your answer is reasonable?
- In what real-life situations might you need to add multiple 3-digit numbers?
Extension Activities
- Add four distances.
- Add four scores.
- Add four prices.
Parent Tip
Have your child add the number of wheels on four different vehicles.
Learning Path
Skill Cluster
Number Operations & Place Value
Estimated Time
15 minutes