Addition Special Types Mental Math — Set 47
80 + 15 = ___
Show answer
Answer: 95
- Operand1
- 80
- Operand2
- 15
- Operator
- +
100 + 47 = ___
Show answer
Answer: 147
- Operand1
- 100
- Operand2
- 47
- Operator
- +
44 + 44 = ___
Show answer
Answer: 88
- Operand1
- 44
- Operand2
- 44
- Operator
- +
89 + 10 = ___
Show answer
Answer: 99
- Operand1
- 89
- Operand2
- 10
- Operator
- +
81 + 1 = ___
Show answer
Answer: 82
- Operand1
- 81
- Operand2
- 1
- Operator
- +
8 + 90 = ___
Show answer
Answer: 98
- Operand1
- 8
- Operand2
- 90
- Operator
- +
51 + 6 = ___
Show answer
Answer: 57
- Operand1
- 51
- Operand2
- 6
- Operator
- +
59 + 30 = ___
Show answer
Answer: 89
- Operand1
- 59
- Operand2
- 30
- Operator
- +
48 + 21 = ___
Show answer
Answer: 69
- Operand1
- 48
- Operand2
- 21
- Operator
- +
100 + 22 = ___
Show answer
Answer: 122
- Operand1
- 100
- Operand2
- 22
- Operator
- +
7 + 91 = ___
Show answer
Answer: 98
- Operand1
- 7
- Operand2
- 91
- Operator
- +
66 + 10 = ___
Show answer
Answer: 76
- Operand1
- 66
- Operand2
- 10
- Operator
- +
19 + 80 = ___
Show answer
Answer: 99
- Operand1
- 19
- Operand2
- 80
- Operator
- +
10 + 69 = ___
Show answer
Answer: 79
- Operand1
- 10
- Operand2
- 69
- Operator
- +
12 + 27 = ___
Show answer
Answer: 39
- Operand1
- 12
- Operand2
- 27
- Operator
- +
31 + 58 = ___
Show answer
Answer: 89
- Operand1
- 31
- Operand2
- 58
- Operator
- +
16 + 52 = ___
Show answer
Answer: 68
- Operand1
- 16
- Operand2
- 52
- Operator
- +
50 + 45 = ___
Show answer
Answer: 95
- Operand1
- 50
- Operand2
- 45
- Operator
- +
60 + 16 = ___
Show answer
Answer: 76
- Operand1
- 60
- Operand2
- 16
- Operator
- +
28 + 51 = ___
Show answer
Answer: 79
- Operand1
- 28
- Operand2
- 51
- 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.