Addition Special Types Mental Math — Set 1
Exercise 1
Show answer
Answer: 107
- Operand1
- 67
- Operand2
- 40
- Operator
- +
Exercise 2
Show answer
Answer: 150
- Operand1
- 93
- Operand2
- 57
- Operator
- +
Exercise 3
Show answer
Answer: 118
- Operand1
- 98
- Operand2
- 20
- Operator
- +
Exercise 4
Show answer
Answer: 86
- Operand1
- 28
- Operand2
- 58
- Operator
- +
Exercise 5
Show answer
Answer: 81
- Operand1
- 47
- Operand2
- 34
- Operator
- +
Exercise 6
Show answer
Answer: 174
- Operand1
- 76
- Operand2
- 98
- Operator
- +
Exercise 7
Show answer
Answer: 74
- Operand1
- 6
- Operand2
- 68
- Operator
- +
Exercise 8
Show answer
Answer: 137
- Operand1
- 79
- Operand2
- 58
- Operator
- +
Exercise 9
Show answer
Answer: 115
- Operand1
- 64
- Operand2
- 51
- Operator
- +
Exercise 10
Show answer
Answer: 61
- Operand1
- 26
- Operand2
- 35
- Operator
- +
Exercise 11
Show answer
Answer: 80
- Operand1
- 35
- Operand2
- 45
- Operator
- +
Exercise 12
Show answer
Answer: 172
- Operand1
- 84
- Operand2
- 88
- Operator
- +
Exercise 13
Show answer
Answer: 94
- Operand1
- 45
- Operand2
- 49
- Operator
- +
Exercise 14
Show answer
Answer: 121
- Operand1
- 91
- Operand2
- 30
- Operator
- +
Exercise 15
Show answer
Answer: 75
- Operand1
- 37
- Operand2
- 38
- Operator
- +
Exercise 16
Show answer
Answer: 152
- Operand1
- 53
- Operand2
- 99
- Operator
- +
Exercise 17
Show answer
Answer: 110
- Operand1
- 42
- Operand2
- 68
- Operator
- +
Exercise 18
Show answer
Answer: 147
- Operand1
- 85
- Operand2
- 62
- Operator
- +
Exercise 19
Show answer
Answer: 121
- Operand1
- 51
- Operand2
- 70
- Operator
- +
Exercise 20
Show answer
Answer: 135
- Operand1
- 63
- Operand2
- 72
- 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.