Addition Number Line Number Line To 50 — Set 40
9 + 20 = ___
Show answer
Answer: 29
- Operand1
- 9
- Operand2
- 20
- Operator
- +
16 + 11 = ___
Show answer
Answer: 27
- Operand1
- 16
- Operand2
- 11
- Operator
- +
21 + 8 = ___
Show answer
Answer: 29
- Operand1
- 21
- Operand2
- 8
- Operator
- +
12 + 25 = ___
Show answer
Answer: 37
- Operand1
- 12
- Operand2
- 25
- Operator
- +
13 + 11 = ___
Show answer
Answer: 24
- Operand1
- 13
- Operand2
- 11
- Operator
- +
1 + 11 = ___
Show answer
Answer: 12
- Operand1
- 1
- Operand2
- 11
- Operator
- +
2 + 1 = ___
Show answer
Answer: 3
- Operand1
- 2
- Operand2
- 1
- Operator
- +
- VisualIntent
- Layout: picture-equationOperation: addItems: [{"count":2,"role":"groupA"},{"count":1,"role":"groupB"}]
25 + 21 = ___
Show answer
Answer: 46
- Operand1
- 25
- Operand2
- 21
- Operator
- +
7 + 1 = ___
Show answer
Answer: 8
- Operand1
- 7
- Operand2
- 1
- Operator
- +
- VisualIntent
- Layout: picture-equationOperation: addItems: [{"count":7,"role":"groupA"},{"count":1,"role":"groupB"}]
1 + 23 = ___
Show answer
Answer: 24
- Operand1
- 1
- Operand2
- 23
- Operator
- +
4 + 25 = ___
Show answer
Answer: 29
- Operand1
- 4
- Operand2
- 25
- Operator
- +
1 + 20 = ___
Show answer
Answer: 21
- Operand1
- 1
- Operand2
- 20
- Operator
- +
1 + 41 = ___
Show answer
Answer: 42
- Operand1
- 1
- Operand2
- 41
- Operator
- +
13 + 14 = ___
Show answer
Answer: 27
- Operand1
- 13
- Operand2
- 14
- Operator
- +
11 + 34 = ___
Show answer
Answer: 45
- Operand1
- 11
- Operand2
- 34
- Operator
- +
22 + 6 = ___
Show answer
Answer: 28
- Operand1
- 22
- Operand2
- 6
- Operator
- +
21 + 4 = ___
Show answer
Answer: 25
- Operand1
- 21
- Operand2
- 4
- Operator
- +
12 + 12 = ___
Show answer
Answer: 24
- Operand1
- 12
- Operand2
- 12
- Operator
- +
14 + 11 = ___
Show answer
Answer: 25
- Operand1
- 14
- Operand2
- 11
- Operator
- +
20 + 26 = ___
Show answer
Answer: 46
- Operand1
- 20
- Operand2
- 26
- Operator
- +
Teaching Notes
Browse free addition worksheets. Each set includes an answer key and covers key skills aligned with Common Core standards.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a addition 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
What math skills are covered in these Addition Worksheets?
These worksheets cover addition worksheets skills aligned with Common Core standards for K-3 students. Each set builds procedural fluency and conceptual understanding through varied problem formats.
Are these worksheets free to print?
Yes — all worksheets are completely free with no signup required. Click Print for a clean printout optimized for US Letter paper. PDF download is also available.
What grade level are these addition worksheets for?
These worksheets are designed for Kindergarten through Grade 3 students. Topics match Common Core expectations for each grade level.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen to check student work quickly.
Can I use these for homeschool?
Absolutely. These worksheets are widely used by homeschool families for structured math practice. The set-number system lets you assign specific worksheets and track progress.