Free. Exclusive. Just for you.
Four unique services that make learning easier, faster, and smarter - only on our website.

Addition math worksheet with six problems and a globe-heart design.

A math worksheet titled "Addition" featuring six two-digit and three-digit addition problems, with a globe and heart icon in the top right corner and a space for a name at the top left.

A math worksheet titled "Addition" featuring six two-digit and three-digit addition problems, with a globe and heart icon in the top right corner and a space for a name at the top left.

JPG 270×350 22.1 KB Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #387278
Show Answer Key & Explanations Step-by-step solution for: Earth Day 3 Digit Addition Worksheets with and without Regrouping

Problem Description:


The image shows a worksheet titled "Addition" with multiple addition problems. The task is to solve each addition problem and provide the correct sums.

Solution:



#### First Row:
1. 419 + 420 = 839
- Add the units place: \(9 + 0 = 9\)
- Add the tens place: \(1 + 2 = 3\)
- Add the hundreds place: \(4 + 4 = 8\)
- Result: 839

2. 575 + 124 = 699
- Add the units place: \(5 + 4 = 9\)
- Add the tens place: \(7 + 2 = 9\)
- Add the hundreds place: \(5 + 1 = 6\)
- Result: 699

3. 319 + 650 = 969
- Add the units place: \(9 + 0 = 9\)
- Add the tens place: \(1 + 5 = 6\)
- Add the hundreds place: \(3 + 6 = 9\)
- Result: 969

4. 759 + 230 = 989
- Add the units place: \(9 + 0 = 9\)
- Add the tens place: \(5 + 3 = 8\)
- Add the hundreds place: \(7 + 2 = 9\)
- Result: 989

#### Second Row:
5. 237 + 432 = 669
- Add the units place: \(7 + 2 = 9\)
- Add the tens place: \(3 + 3 = 6\)
- Add the hundreds place: \(2 + 4 = 6\)
- Result: 669

6. 564 + 315 = 879
- Add the units place: \(4 + 5 = 9\)
- Add the tens place: \(6 + 1 = 7\)
- Add the hundreds place: \(5 + 3 = 8\)
- Result: 879

7. 362 + 406 = 768
- Add the units place: \(2 + 6 = 8\)
- Add the tens place: \(6 + 0 = 6\)
- Add the hundreds place: \(3 + 4 = 7\)
- Result: 768

8. 277 + 402 = 679
- Add the units place: \(7 + 2 = 9\)
- Add the tens place: \(7 + 0 = 7\)
- Add the hundreds place: \(2 + 4 = 6\)
- Result: 679

#### Third Row:
9. 662 + 121 = 783
- Add the units place: \(2 + 1 = 3\)
- Add the tens place: \(6 + 2 = 8\)
- Add the hundreds place: \(6 + 1 = 7\)
- Result: 783

10. 865 + 100 = 965
- Add the units place: \(5 + 0 = 5\)
- Add the tens place: \(6 + 0 = 6\)
- Add the hundreds place: \(8 + 1 = 9\)
- Result: 965

11. 752 + 137 = 889
- Add the units place: \(2 + 7 = 9\)
- Add the tens place: \(5 + 3 = 8\)
- Add the hundreds place: \(7 + 1 = 8\)
- Result: 889

12. 843 + 115 = 958
- Add the units place: \(3 + 5 = 8\)
- Add the tens place: \(4 + 1 = 5\)
- Add the hundreds place: \(8 + 1 = 9\)
- Result: 958

#### Fourth Row:
13. 115 + 640 = 755
- Add the units place: \(5 + 0 = 5\)
- Add the tens place: \(1 + 4 = 5\)
- Add the hundreds place: \(1 + 6 = 7\)
- Result: 755

14. 285 + 204 = 489
- Add the units place: \(5 + 4 = 9\)
- Add the tens place: \(8 + 0 = 8\)
- Add the hundreds place: \(2 + 2 = 4\)
- Result: 489

15. 599 + 400 = 999
- Add the units place: \(9 + 0 = 9\)
- Add the tens place: \(9 + 0 = 9\)
- Add the hundreds place: \(5 + 4 = 9\)
- Result: 999

16. 237 + 331 = 568
- Add the units place: \(7 + 1 = 8\)
- Add the tens place: \(3 + 3 = 6\)
- Add the hundreds place: \(2 + 3 = 5\)
- Result: 568

Final Answers:


\[
\boxed{
\begin{array}{cccc}
839 & 699 & 969 & 989 \\
669 & 879 & 768 & 679 \\
783 & 965 & 889 & 958 \\
755 & 489 & 999 & 568 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of three digit addition without regrouping math worksheet.
Print Download

How to use

Click Print to open a print-ready version directly in your browser, or use Download to save the file to your device. The ⭐ Answer button generates an AI answer key instantly - useful for teachers who need a quick reference. Need a different version? Our AI Worksheet Generator lets you create a custom worksheet on any topic in seconds.

(view all three digit addition without regrouping math worksheet)

Great Job! (Three-Digit Addition Without Regrouping) | Printable ...
FREE Printable 3-Digit Addition Math Worksheets (with Answer Key!)
Earth Day 3 Digit Addition Worksheets with and without Regrouping
Adding and Subtracting Three-Digit Numbers (A)
Triple Digit Addition No Regrouping Worksheet
2nd Grade Math Worksheets - 3-Digit Mixed Addition and Subtraction ...
3 Digit Addition – No Regrouping – 2 Worksheets / FREE Printable ...
3 Digit Addition No Regrouping Worksheets
FREE Printable 3-Digit Addition Math Worksheets (with Answer Key!)
Free Addition Worksheets - 3 Digit - Without Regrouping - Free ...