Addition Number Line Hops Within 100 — Set 20
10 + 66 = ___
Show answer
Answer: 76
- Operand1
- 10
- Operand2
- 66
- Operator
- +
43 + 25 = ___
Show answer
Answer: 68
- Operand1
- 43
- Operand2
- 25
- Operator
- +
29 + 10 = ___
Show answer
Answer: 39
- Operand1
- 29
- Operand2
- 10
- Operator
- +
40 + 36 = ___
Show answer
Answer: 76
- Operand1
- 40
- Operand2
- 36
- Operator
- +
13 + 23 = ___
Show answer
Answer: 36
- Operand1
- 13
- Operand2
- 23
- Operator
- +
30 + 15 = ___
Show answer
Answer: 45
- Operand1
- 30
- Operand2
- 15
- Operator
- +
23 + 66 = ___
Show answer
Answer: 89
- Operand1
- 23
- Operand2
- 66
- Operator
- +
40 + 36 = ___
Show answer
Answer: 76
- Operand1
- 40
- Operand2
- 36
- Operator
- +
13 + 52 = ___
Show answer
Answer: 65
- Operand1
- 13
- Operand2
- 52
- Operator
- +
48 + 40 = ___
Show answer
Answer: 88
- Operand1
- 48
- Operand2
- 40
- Operator
- +
31 + 13 = ___
Show answer
Answer: 44
- Operand1
- 31
- Operand2
- 13
- Operator
- +
38 + 10 = ___
Show answer
Answer: 48
- Operand1
- 38
- Operand2
- 10
- Operator
- +
15 + 31 = ___
Show answer
Answer: 46
- Operand1
- 15
- Operand2
- 31
- Operator
- +
24 + 63 = ___
Show answer
Answer: 87
- Operand1
- 24
- Operand2
- 63
- Operator
- +
44 + 21 = ___
Show answer
Answer: 65
- Operand1
- 44
- Operand2
- 21
- Operator
- +
41 + 46 = ___
Show answer
Answer: 87
- Operand1
- 41
- Operand2
- 46
- Operator
- +
1 + 60 = ___
Show answer
Answer: 61
- Operand1
- 1
- Operand2
- 60
- Operator
- +
6 + 22 = ___
Show answer
Answer: 28
- Operand1
- 6
- Operand2
- 22
- Operator
- +
50 + 6 = ___
Show answer
Answer: 56
- Operand1
- 50
- Operand2
- 6
- Operator
- +
50 + 5 = ___
Show answer
Answer: 55
- Operand1
- 50
- Operand2
- 5
- 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.