Addition Special Types Mental Math — Set 23
24 + 12 = ___
Show answer
Answer: 36
- Operand1
- 24
- Operand2
- 12
- Operator
- +
40 + 51 = ___
Show answer
Answer: 91
- Operand1
- 40
- Operand2
- 51
- Operator
- +
50 + 45 = ___
Show answer
Answer: 95
- Operand1
- 50
- Operand2
- 45
- Operator
- +
54 + 35 = ___
Show answer
Answer: 89
- Operand1
- 54
- Operand2
- 35
- Operator
- +
17 + 82 = ___
Show answer
Answer: 99
- Operand1
- 17
- Operand2
- 82
- Operator
- +
40 + 30 = ___
Show answer
Answer: 70
- Operand1
- 40
- Operand2
- 30
- Operator
- +
11 + 100 = ___
Show answer
Answer: 111
- Operand1
- 11
- Operand2
- 100
- Operator
- +
5 + 92 = ___
Show answer
Answer: 97
- Operand1
- 5
- Operand2
- 92
- Operator
- +
75 + 4 = ___
Show answer
Answer: 79
- Operand1
- 75
- Operand2
- 4
- Operator
- +
33 + 21 = ___
Show answer
Answer: 54
- Operand1
- 33
- Operand2
- 21
- Operator
- +
37 + 50 = ___
Show answer
Answer: 87
- Operand1
- 37
- Operand2
- 50
- Operator
- +
63 + 4 = ___
Show answer
Answer: 67
- Operand1
- 63
- Operand2
- 4
- Operator
- +
73 + 100 = ___
Show answer
Answer: 173
- Operand1
- 73
- Operand2
- 100
- Operator
- +
33 + 54 = ___
Show answer
Answer: 87
- Operand1
- 33
- Operand2
- 54
- Operator
- +
70 + 14 = ___
Show answer
Answer: 84
- Operand1
- 70
- Operand2
- 14
- Operator
- +
77 + 2 = ___
Show answer
Answer: 79
- Operand1
- 77
- Operand2
- 2
- Operator
- +
44 + 10 = ___
Show answer
Answer: 54
- Operand1
- 44
- Operand2
- 10
- Operator
- +
74 + 23 = ___
Show answer
Answer: 97
- Operand1
- 74
- Operand2
- 23
- Operator
- +
23 + 44 = ___
Show answer
Answer: 67
- Operand1
- 23
- Operand2
- 44
- Operator
- +
4 + 71 = ___
Show answer
Answer: 75
- Operand1
- 4
- Operand2
- 71
- 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.