Addition Special Types Mental Math — Set 9
Exercise 1
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Answer: 75
- Operand1
- 48
- Operand2
- 27
- Operator
- +
Exercise 2
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Answer: 112
- Operand1
- 38
- Operand2
- 74
- Operator
- +
Exercise 3
Show answer
Answer: 81
- Operand1
- 15
- Operand2
- 66
- Operator
- +
Exercise 4
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Answer: 82
- Operand1
- 77
- Operand2
- 5
- Operator
- +
Exercise 5
Show answer
Answer: 176
- Operand1
- 94
- Operand2
- 82
- Operator
- +
Exercise 6
Show answer
Answer: 116
- Operand1
- 67
- Operand2
- 49
- Operator
- +
Exercise 7
Show answer
Answer: 125
- Operand1
- 97
- Operand2
- 28
- Operator
- +
Exercise 8
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Answer: 120
- Operand1
- 73
- Operand2
- 47
- Operator
- +
Exercise 9
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Answer: 91
- Operand1
- 29
- Operand2
- 62
- Operator
- +
Exercise 10
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Answer: 139
- Operand1
- 68
- Operand2
- 71
- Operator
- +
Exercise 11
Show answer
Answer: 137
- Operand1
- 91
- Operand2
- 46
- Operator
- +
Exercise 12
Show answer
Answer: 129
- Operand1
- 95
- Operand2
- 34
- Operator
- +
Exercise 13
Show answer
Answer: 170
- Operand1
- 80
- Operand2
- 90
- Operator
- +
Exercise 14
Show answer
Answer: 81
- Operand1
- 68
- Operand2
- 13
- Operator
- +
Exercise 15
Show answer
Answer: 117
- Operand1
- 85
- Operand2
- 32
- Operator
- +
Exercise 16
Show answer
Answer: 127
- Operand1
- 62
- Operand2
- 65
- Operator
- +
Exercise 17
Show answer
Answer: 142
- Operand1
- 66
- Operand2
- 76
- Operator
- +
Exercise 18
Show answer
Answer: 135
- Operand1
- 80
- Operand2
- 55
- Operator
- +
Exercise 19
Show answer
Answer: 148
- Operand1
- 76
- Operand2
- 72
- Operator
- +
Exercise 20
Show answer
Answer: 71
- Operand1
- 68
- Operand2
- 3
- 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.