Addition Number Line Hops Within 100 — Set 78
35 + 42 = ___
Show answer
Answer: 77
- Operand1
- 35
- Operand2
- 42
- Operator
- +
50 + 31 = ___
Show answer
Answer: 81
- Operand1
- 50
- Operand2
- 31
- Operator
- +
29 + 30 = ___
Show answer
Answer: 59
- Operand1
- 29
- Operand2
- 30
- Operator
- +
1 + 38 = ___
Show answer
Answer: 39
- Operand1
- 1
- Operand2
- 38
- Operator
- +
26 + 51 = ___
Show answer
Answer: 77
- Operand1
- 26
- Operand2
- 51
- Operator
- +
16 + 80 = ___
Show answer
Answer: 96
- Operand1
- 16
- Operand2
- 80
- Operator
- +
12 + 51 = ___
Show answer
Answer: 63
- Operand1
- 12
- Operand2
- 51
- Operator
- +
22 + 45 = ___
Show answer
Answer: 67
- Operand1
- 22
- Operand2
- 45
- Operator
- +
35 + 34 = ___
Show answer
Answer: 69
- Operand1
- 35
- Operand2
- 34
- Operator
- +
44 + 20 = ___
Show answer
Answer: 64
- Operand1
- 44
- Operand2
- 20
- Operator
- +
40 + 11 = ___
Show answer
Answer: 51
- Operand1
- 40
- Operand2
- 11
- Operator
- +
47 + 21 = ___
Show answer
Answer: 68
- Operand1
- 47
- Operand2
- 21
- Operator
- +
42 + 2 = ___
Show answer
Answer: 44
- Operand1
- 42
- Operand2
- 2
- Operator
- +
30 + 44 = ___
Show answer
Answer: 74
- Operand1
- 30
- Operand2
- 44
- Operator
- +
45 + 14 = ___
Show answer
Answer: 59
- Operand1
- 45
- Operand2
- 14
- Operator
- +
45 + 51 = ___
Show answer
Answer: 96
- Operand1
- 45
- Operand2
- 51
- Operator
- +
46 + 20 = ___
Show answer
Answer: 66
- Operand1
- 46
- Operand2
- 20
- Operator
- +
42 + 57 = ___
Show answer
Answer: 99
- Operand1
- 42
- Operand2
- 57
- Operator
- +
13 + 5 = ___
Show answer
Answer: 18
- Operand1
- 13
- Operand2
- 5
- Operator
- +
15 + 2 = ___
Show answer
Answer: 17
- Operand1
- 15
- Operand2
- 2
- 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.