Addition Special Types Mental Math — Set 37
56 + 100 = ___
Show answer
Answer: 156
- Operand1
- 56
- Operand2
- 100
- Operator
- +
5 + 12 = ___
Show answer
Answer: 17
- Operand1
- 5
- Operand2
- 12
- Operator
- +
81 + 14 = ___
Show answer
Answer: 95
- Operand1
- 81
- Operand2
- 14
- Operator
- +
12 + 40 = ___
Show answer
Answer: 52
- Operand1
- 12
- Operand2
- 40
- Operator
- +
36 + 20 = ___
Show answer
Answer: 56
- Operand1
- 36
- Operand2
- 20
- Operator
- +
21 + 66 = ___
Show answer
Answer: 87
- Operand1
- 21
- Operand2
- 66
- Operator
- +
71 + 5 = ___
Show answer
Answer: 76
- Operand1
- 71
- Operand2
- 5
- Operator
- +
100 + 59 = ___
Show answer
Answer: 159
- Operand1
- 100
- Operand2
- 59
- Operator
- +
2 + 97 = ___
Show answer
Answer: 99
- Operand1
- 2
- Operand2
- 97
- Operator
- +
12 + 65 = ___
Show answer
Answer: 77
- Operand1
- 12
- Operand2
- 65
- Operator
- +
3 + 31 = ___
Show answer
Answer: 34
- Operand1
- 3
- Operand2
- 31
- Operator
- +
20 + 3 = ___
Show answer
Answer: 23
- Operand1
- 20
- Operand2
- 3
- Operator
- +
27 + 2 = ___
Show answer
Answer: 29
- Operand1
- 27
- Operand2
- 2
- Operator
- +
62 + 12 = ___
Show answer
Answer: 74
- Operand1
- 62
- Operand2
- 12
- Operator
- +
12 + 76 = ___
Show answer
Answer: 88
- Operand1
- 12
- Operand2
- 76
- Operator
- +
2 + 11 = ___
Show answer
Answer: 13
- Operand1
- 2
- Operand2
- 11
- Operator
- +
26 + 70 = ___
Show answer
Answer: 96
- Operand1
- 26
- Operand2
- 70
- Operator
- +
12 + 37 = ___
Show answer
Answer: 49
- Operand1
- 12
- Operand2
- 37
- Operator
- +
18 + 21 = ___
Show answer
Answer: 39
- Operand1
- 18
- Operand2
- 21
- Operator
- +
60 + 32 = ___
Show answer
Answer: 92
- Operand1
- 60
- Operand2
- 32
- 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.