Addition Special Types Mental Math — Set 90
70 + 15 = ___
Show answer
Answer: 85
- Operand1
- 70
- Operand2
- 15
- Operator
- +
2 + 62 = ___
Show answer
Answer: 64
- Operand1
- 2
- Operand2
- 62
- Operator
- +
14 + 22 = ___
Show answer
Answer: 36
- Operand1
- 14
- Operand2
- 22
- Operator
- +
4 + 31 = ___
Show answer
Answer: 35
- Operand1
- 4
- Operand2
- 31
- Operator
- +
23 + 22 = ___
Show answer
Answer: 45
- Operand1
- 23
- Operand2
- 22
- Operator
- +
50 + 26 = ___
Show answer
Answer: 76
- Operand1
- 50
- Operand2
- 26
- Operator
- +
30 + 7 = ___
Show answer
Answer: 37
- Operand1
- 30
- Operand2
- 7
- Operator
- +
86 + 1 = ___
Show answer
Answer: 87
- Operand1
- 86
- Operand2
- 1
- Operator
- +
1 + 17 = ___
Show answer
Answer: 18
- Operand1
- 1
- Operand2
- 17
- Operator
- +
53 + 44 = ___
Show answer
Answer: 97
- Operand1
- 53
- Operand2
- 44
- Operator
- +
1 + 35 = ___
Show answer
Answer: 36
- Operand1
- 1
- Operand2
- 35
- Operator
- +
5 + 30 = ___
Show answer
Answer: 35
- Operand1
- 5
- Operand2
- 30
- Operator
- +
50 + 30 = ___
Show answer
Answer: 80
- Operand1
- 50
- Operand2
- 30
- Operator
- +
32 + 4 = ___
Show answer
Answer: 36
- Operand1
- 32
- Operand2
- 4
- Operator
- +
91 + 100 = ___
Show answer
Answer: 191
- Operand1
- 91
- Operand2
- 100
- Operator
- +
34 + 15 = ___
Show answer
Answer: 49
- Operand1
- 34
- Operand2
- 15
- Operator
- +
61 + 20 = ___
Show answer
Answer: 81
- Operand1
- 61
- Operand2
- 20
- Operator
- +
40 + 13 = ___
Show answer
Answer: 53
- Operand1
- 40
- Operand2
- 13
- Operator
- +
33 + 50 = ___
Show answer
Answer: 83
- Operand1
- 33
- Operand2
- 50
- Operator
- +
26 + 10 = ___
Show answer
Answer: 36
- Operand1
- 26
- Operand2
- 10
- 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.