Addition Special Types Mental Math — Set 28
40 + 27 = ___
Show answer
Answer: 67
- Operand1
- 40
- Operand2
- 27
- Operator
- +
22 + 10 = ___
Show answer
Answer: 32
- Operand1
- 22
- Operand2
- 10
- Operator
- +
46 + 11 = ___
Show answer
Answer: 57
- Operand1
- 46
- Operand2
- 11
- Operator
- +
50 + 4 = ___
Show answer
Answer: 54
- Operand1
- 50
- Operand2
- 4
- Operator
- +
32 + 60 = ___
Show answer
Answer: 92
- Operand1
- 32
- Operand2
- 60
- Operator
- +
2 + 70 = ___
Show answer
Answer: 72
- Operand1
- 2
- Operand2
- 70
- Operator
- +
61 + 13 = ___
Show answer
Answer: 74
- Operand1
- 61
- Operand2
- 13
- Operator
- +
51 + 28 = ___
Show answer
Answer: 79
- Operand1
- 51
- Operand2
- 28
- Operator
- +
22 + 71 = ___
Show answer
Answer: 93
- Operand1
- 22
- Operand2
- 71
- Operator
- +
33 + 35 = ___
Show answer
Answer: 68
- Operand1
- 33
- Operand2
- 35
- Operator
- +
8 + 71 = ___
Show answer
Answer: 79
- Operand1
- 8
- Operand2
- 71
- Operator
- +
38 + 61 = ___
Show answer
Answer: 99
- Operand1
- 38
- Operand2
- 61
- Operator
- +
21 + 100 = ___
Show answer
Answer: 121
- Operand1
- 21
- Operand2
- 100
- Operator
- +
100 + 92 = ___
Show answer
Answer: 192
- Operand1
- 100
- Operand2
- 92
- Operator
- +
11 + 17 = ___
Show answer
Answer: 28
- Operand1
- 11
- Operand2
- 17
- Operator
- +
12 + 60 = ___
Show answer
Answer: 72
- Operand1
- 12
- Operand2
- 60
- Operator
- +
20 + 35 = ___
Show answer
Answer: 55
- Operand1
- 20
- Operand2
- 35
- Operator
- +
62 + 12 = ___
Show answer
Answer: 74
- Operand1
- 62
- Operand2
- 12
- Operator
- +
15 + 54 = ___
Show answer
Answer: 69
- Operand1
- 15
- Operand2
- 54
- Operator
- +
98 + 100 = ___
Show answer
Answer: 198
- Operand1
- 98
- 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.