Addition Special Types Mental Math — Set 35
30 + 9 = ___
Show answer
Answer: 39
- Operand1
- 30
- Operand2
- 9
- Operator
- +
98 + 100 = ___
Show answer
Answer: 198
- Operand1
- 98
- Operand2
- 100
- Operator
- +
40 + 19 = ___
Show answer
Answer: 59
- Operand1
- 40
- Operand2
- 19
- Operator
- +
17 + 42 = ___
Show answer
Answer: 59
- Operand1
- 17
- Operand2
- 42
- Operator
- +
5 + 100 = ___
Show answer
Answer: 105
- Operand1
- 5
- Operand2
- 100
- Operator
- +
10 + 56 = ___
Show answer
Answer: 66
- Operand1
- 10
- Operand2
- 56
- Operator
- +
25 + 12 = ___
Show answer
Answer: 37
- Operand1
- 25
- Operand2
- 12
- Operator
- +
67 + 31 = ___
Show answer
Answer: 98
- Operand1
- 67
- Operand2
- 31
- Operator
- +
47 + 11 = ___
Show answer
Answer: 58
- Operand1
- 47
- Operand2
- 11
- Operator
- +
24 + 42 = ___
Show answer
Answer: 66
- Operand1
- 24
- Operand2
- 42
- Operator
- +
50 + 2 = ___
Show answer
Answer: 52
- Operand1
- 50
- Operand2
- 2
- Operator
- +
11 + 64 = ___
Show answer
Answer: 75
- Operand1
- 11
- Operand2
- 64
- Operator
- +
15 + 60 = ___
Show answer
Answer: 75
- Operand1
- 15
- Operand2
- 60
- Operator
- +
62 + 21 = ___
Show answer
Answer: 83
- Operand1
- 62
- Operand2
- 21
- Operator
- +
42 + 51 = ___
Show answer
Answer: 93
- Operand1
- 42
- Operand2
- 51
- Operator
- +
33 + 5 = ___
Show answer
Answer: 38
- Operand1
- 33
- Operand2
- 5
- Operator
- +
62 + 22 = ___
Show answer
Answer: 84
- Operand1
- 62
- Operand2
- 22
- Operator
- +
54 + 32 = ___
Show answer
Answer: 86
- Operand1
- 54
- Operand2
- 32
- Operator
- +
34 + 25 = ___
Show answer
Answer: 59
- Operand1
- 34
- Operand2
- 25
- Operator
- +
75 + 100 = ___
Show answer
Answer: 175
- Operand1
- 75
- Operand2
- 100
- 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.