Addition Special Types Mental Math — Set 84
66 + 2 = ___
Show answer
Answer: 68
- Operand1
- 66
- Operand2
- 2
- Operator
- +
42 + 50 = ___
Show answer
Answer: 92
- Operand1
- 42
- Operand2
- 50
- Operator
- +
100 + 81 = ___
Show answer
Answer: 181
- Operand1
- 100
- Operand2
- 81
- Operator
- +
51 + 14 = ___
Show answer
Answer: 65
- Operand1
- 51
- Operand2
- 14
- Operator
- +
18 + 60 = ___
Show answer
Answer: 78
- Operand1
- 18
- Operand2
- 60
- Operator
- +
100 + 80 = ___
Show answer
Answer: 180
- Operand1
- 100
- Operand2
- 80
- Operator
- +
20 + 50 = ___
Show answer
Answer: 70
- Operand1
- 20
- Operand2
- 50
- Operator
- +
31 + 6 = ___
Show answer
Answer: 37
- Operand1
- 31
- Operand2
- 6
- Operator
- +
15 + 73 = ___
Show answer
Answer: 88
- Operand1
- 15
- Operand2
- 73
- Operator
- +
100 + 73 = ___
Show answer
Answer: 173
- Operand1
- 100
- Operand2
- 73
- Operator
- +
6 + 23 = ___
Show answer
Answer: 29
- Operand1
- 6
- Operand2
- 23
- Operator
- +
31 + 6 = ___
Show answer
Answer: 37
- Operand1
- 31
- Operand2
- 6
- Operator
- +
23 + 60 = ___
Show answer
Answer: 83
- Operand1
- 23
- Operand2
- 60
- Operator
- +
92 + 2 = ___
Show answer
Answer: 94
- Operand1
- 92
- Operand2
- 2
- Operator
- +
20 + 8 = ___
Show answer
Answer: 28
- Operand1
- 20
- Operand2
- 8
- Operator
- +
56 + 22 = ___
Show answer
Answer: 78
- Operand1
- 56
- Operand2
- 22
- Operator
- +
100 + 99 = ___
Show answer
Answer: 199
- Operand1
- 100
- Operand2
- 99
- Operator
- +
12 + 83 = ___
Show answer
Answer: 95
- Operand1
- 12
- Operand2
- 83
- Operator
- +
18 + 1 = ___
Show answer
Answer: 19
- Operand1
- 18
- Operand2
- 1
- Operator
- +
100 + 16 = ___
Show answer
Answer: 116
- Operand1
- 100
- Operand2
- 16
- 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.