Three-Digit Addition - Worksheet 10 - 2nd Grade
HardPractice three-digit addition with printable questions and separate worked answer keys.
hard: Use another set to practice explaining and checking your answers.
23 problems · 15-20 minutes · Skills: addition, place value
About This Worksheet
This hard-level worksheet contains 23 problems designed for 2nd Grade students practicing three-digit addition. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.
Read place values and recall basic addition, subtraction and multiplication facts.
- Practice three-digit addition with printable questions and separate worked answer keys.
- Check your result using the method in the example before moving to the next question.
How to Solve: Worked Example
- Align ones, tens and hundreds; work from right to left.
- 463 + 762 = 1225.
Answer Key
Frequently Asked Questions
How do I download this three-digit addition - worksheet 10 worksheet?
Click "Download PDF" for a file, or "Print" to use your browser. You can save it as a PDF or print it directly. The answer key will be on a separate page.
How do I find worksheets at different difficulty levels?
Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.
What skills does this addition worksheet cover?
This worksheet focuses on addition, place value. It is designed for 2nd Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.
Can I use this worksheet in my classroom?
Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.
How many problems are on this worksheet?
This worksheet contains 23 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.