Addition Number Line Number Line To 100 — Set 80
45 + 34 = ___
Show answer
Answer: 79
- Operand1
- 45
- Operand2
- 34
- Operator
- +
24 + 15 = ___
Show answer
Answer: 39
- Operand1
- 24
- Operand2
- 15
- Operator
- +
34 + 43 = ___
Show answer
Answer: 77
- Operand1
- 34
- Operand2
- 43
- Operator
- +
32 + 26 = ___
Show answer
Answer: 58
- Operand1
- 32
- Operand2
- 26
- Operator
- +
15 + 74 = ___
Show answer
Answer: 89
- Operand1
- 15
- Operand2
- 74
- Operator
- +
44 + 54 = ___
Show answer
Answer: 98
- Operand1
- 44
- Operand2
- 54
- Operator
- +
32 + 67 = ___
Show answer
Answer: 99
- Operand1
- 32
- Operand2
- 67
- Operator
- +
42 + 4 = ___
Show answer
Answer: 46
- Operand1
- 42
- Operand2
- 4
- Operator
- +
49 + 50 = ___
Show answer
Answer: 99
- Operand1
- 49
- Operand2
- 50
- Operator
- +
43 + 35 = ___
Show answer
Answer: 78
- Operand1
- 43
- Operand2
- 35
- Operator
- +
2 + 45 = ___
Show answer
Answer: 47
- Operand1
- 2
- Operand2
- 45
- Operator
- +
43 + 31 = ___
Show answer
Answer: 74
- Operand1
- 43
- Operand2
- 31
- Operator
- +
27 + 30 = ___
Show answer
Answer: 57
- Operand1
- 27
- Operand2
- 30
- Operator
- +
30 + 57 = ___
Show answer
Answer: 87
- Operand1
- 30
- Operand2
- 57
- Operator
- +
12 + 82 = ___
Show answer
Answer: 94
- Operand1
- 12
- Operand2
- 82
- Operator
- +
2 + 92 = ___
Show answer
Answer: 94
- Operand1
- 2
- Operand2
- 92
- Operator
- +
13 + 72 = ___
Show answer
Answer: 85
- Operand1
- 13
- Operand2
- 72
- Operator
- +
40 + 24 = ___
Show answer
Answer: 64
- Operand1
- 40
- Operand2
- 24
- Operator
- +
13 + 30 = ___
Show answer
Answer: 43
- Operand1
- 13
- Operand2
- 30
- Operator
- +
21 + 68 = ___
Show answer
Answer: 89
- Operand1
- 21
- Operand2
- 68
- 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.