Multi-Digit Addition - Worksheet 5 - 3rd Grade

Medium

Practice multi-digit addition with printable questions and separate worked answer keys.

medium: Practice the same exercise types with a fresh numbered set.

24 problems · 10-15 minutes · Skills: addition, regrouping

About This Worksheet

This medium-level worksheet contains 24 problems designed for 3rd Grade students practicing multi-digit addition. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.

Read place values and recall basic addition, subtraction and multiplication facts.

  • Practice multi-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

Example Problem: Calculate 463 + 762.
Solution Steps:
  1. Align ones, tens and hundreds; work from right to left.
  2. 463 + 762 = 1225.
Answer: 1225
Tip: Check your result using the method in the example before moving to the next question.
1
Calculate 314 + 758.
2
Calculate 318 + 867.
3
Calculate 744 + 424.
4
Calculate 549 + 298.
5
Calculate 146 + 882.
6
Calculate 158 + 245.
7
Calculate 548 + 679.
8
Calculate 233 + 860.
9
Calculate 526 + 448.
10
Calculate 889 + 170.
11
Calculate 982 + 420.
12
Calculate 776 + 645.
13
Calculate 639 + 527.
14
Calculate 982 + 502.
15
Calculate 552 + 298.
16
Calculate 353 + 817.
17
Calculate 268 + 467.
18
Calculate 980 + 315.
19
Calculate 903 + 354.
20
Calculate 521 + 367.
21
Calculate 898 + 580.
22
Calculate 453 + 638.
23
Calculate 191 + 243.
24
Calculate 172 + 227.

Answer Key

1. 10722. 11853. 11684. 8475. 10286. 4037. 12278. 10939. 97410. 105911. 140212. 142113. 116614. 148415. 85016. 117017. 73518. 129519. 125720. 88821. 147822. 109123. 43424. 399

Frequently Asked Questions

How do I download this multi-digit addition - worksheet 5 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 and subtraction worksheet cover?

This worksheet focuses on addition, regrouping. It is designed for 3rd 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 24 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.