Addition Special Types Mental Math — Set 78
1 + 42 = ___
Show answer
Answer: 43
- Operand1
- 1
- Operand2
- 42
- Operator
- +
36 + 2 = ___
Show answer
Answer: 38
- Operand1
- 36
- Operand2
- 2
- Operator
- +
41 + 51 = ___
Show answer
Answer: 92
- Operand1
- 41
- Operand2
- 51
- Operator
- +
15 + 4 = ___
Show answer
Answer: 19
- Operand1
- 15
- Operand2
- 4
- Operator
- +
86 + 12 = ___
Show answer
Answer: 98
- Operand1
- 86
- Operand2
- 12
- Operator
- +
60 + 18 = ___
Show answer
Answer: 78
- Operand1
- 60
- Operand2
- 18
- Operator
- +
13 + 1 = ___
Show answer
Answer: 14
- Operand1
- 13
- Operand2
- 1
- Operator
- +
2 + 92 = ___
Show answer
Answer: 94
- Operand1
- 2
- Operand2
- 92
- Operator
- +
12 + 2 = ___
Show answer
Answer: 14
- Operand1
- 12
- Operand2
- 2
- Operator
- +
54 + 31 = ___
Show answer
Answer: 85
- Operand1
- 54
- Operand2
- 31
- Operator
- +
20 + 65 = ___
Show answer
Answer: 85
- Operand1
- 20
- Operand2
- 65
- Operator
- +
31 + 42 = ___
Show answer
Answer: 73
- Operand1
- 31
- Operand2
- 42
- Operator
- +
24 + 1 = ___
Show answer
Answer: 25
- Operand1
- 24
- Operand2
- 1
- Operator
- +
42 + 46 = ___
Show answer
Answer: 88
- Operand1
- 42
- Operand2
- 46
- Operator
- +
10 + 65 = ___
Show answer
Answer: 75
- Operand1
- 10
- Operand2
- 65
- Operator
- +
87 + 2 = ___
Show answer
Answer: 89
- Operand1
- 87
- Operand2
- 2
- Operator
- +
62 + 2 = ___
Show answer
Answer: 64
- Operand1
- 62
- Operand2
- 2
- Operator
- +
72 + 24 = ___
Show answer
Answer: 96
- Operand1
- 72
- Operand2
- 24
- Operator
- +
24 + 11 = ___
Show answer
Answer: 35
- Operand1
- 24
- Operand2
- 11
- Operator
- +
21 + 20 = ___
Show answer
Answer: 41
- Operand1
- 21
- Operand2
- 20
- 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.