Addition Special Types Mental Math — Set 15
26 + 73 = ___
Show answer
Answer: 99
- Operand1
- 26
- Operand2
- 73
- Operator
- +
21 + 43 = ___
Show answer
Answer: 64
- Operand1
- 21
- Operand2
- 43
- Operator
- +
6 + 41 = ___
Show answer
Answer: 47
- Operand1
- 6
- Operand2
- 41
- Operator
- +
44 + 34 = ___
Show answer
Answer: 78
- Operand1
- 44
- Operand2
- 34
- Operator
- +
40 + 56 = ___
Show answer
Answer: 96
- Operand1
- 40
- Operand2
- 56
- Operator
- +
32 + 7 = ___
Show answer
Answer: 39
- Operand1
- 32
- Operand2
- 7
- Operator
- +
21 + 5 = ___
Show answer
Answer: 26
- Operand1
- 21
- Operand2
- 5
- Operator
- +
71 + 4 = ___
Show answer
Answer: 75
- Operand1
- 71
- Operand2
- 4
- Operator
- +
12 + 15 = ___
Show answer
Answer: 27
- Operand1
- 12
- Operand2
- 15
- Operator
- +
92 + 6 = ___
Show answer
Answer: 98
- Operand1
- 92
- Operand2
- 6
- Operator
- +
55 + 14 = ___
Show answer
Answer: 69
- Operand1
- 55
- Operand2
- 14
- Operator
- +
61 + 30 = ___
Show answer
Answer: 91
- Operand1
- 61
- Operand2
- 30
- Operator
- +
14 + 62 = ___
Show answer
Answer: 76
- Operand1
- 14
- Operand2
- 62
- Operator
- +
63 + 20 = ___
Show answer
Answer: 83
- Operand1
- 63
- Operand2
- 20
- Operator
- +
65 + 12 = ___
Show answer
Answer: 77
- Operand1
- 65
- Operand2
- 12
- Operator
- +
16 + 80 = ___
Show answer
Answer: 96
- Operand1
- 16
- Operand2
- 80
- Operator
- +
10 + 48 = ___
Show answer
Answer: 58
- Operand1
- 10
- Operand2
- 48
- Operator
- +
12 + 82 = ___
Show answer
Answer: 94
- Operand1
- 12
- Operand2
- 82
- Operator
- +
4 + 1 = ___
Show answer
Answer: 5
- Operand1
- 4
- Operand2
- 1
- Operator
- +
- VisualIntent
- Layout: picture-equationOperation: addItems: [{"count":4,"role":"groupA"},{"count":1,"role":"groupB"}]
65 + 34 = ___
Show answer
Answer: 99
- Operand1
- 65
- Operand2
- 34
- 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.