Workbook Detail
Addition Within 100 Starter — Set 25
23 + 16 = ___
Show answer
Answer: 39
- Operand1
- 23
- Operand2
- 16
- Operator
- +
41 + 28 = ___
Show answer
Answer: 69
- Operand1
- 41
- Operand2
- 28
- Operator
- +
31 + 15 = ___
Show answer
Answer: 46
- Operand1
- 31
- Operand2
- 15
- Operator
- +
32 + 5 = ___
Show answer
Answer: 37
- Operand1
- 32
- Operand2
- 5
- Operator
- +
13 + 23 = ___
Show answer
Answer: 36
- Operand1
- 13
- Operand2
- 23
- Operator
- +
5 + 40 = ___
Show answer
Answer: 45
- Operand1
- 5
- Operand2
- 40
- Operator
- +
38 + 51 = ___
Show answer
Answer: 89
- Operand1
- 38
- Operand2
- 51
- Operator
- +
37 + 50 = ___
Show answer
Answer: 87
- Operand1
- 37
- Operand2
- 50
- Operator
- +
44 + 3 = ___
Show answer
Answer: 47
- Operand1
- 44
- Operand2
- 3
- Operator
- +
34 + 52 = ___
Show answer
Answer: 86
- Operand1
- 34
- Operand2
- 52
- Operator
- +
26 + 62 = ___
Show answer
Answer: 88
- Operand1
- 26
- Operand2
- 62
- Operator
- +
46 + 23 = ___
Show answer
Answer: 69
- Operand1
- 46
- Operand2
- 23
- Operator
- +
21 + 58 = ___
Show answer
Answer: 79
- Operand1
- 21
- Operand2
- 58
- Operator
- +
22 + 52 = ___
Show answer
Answer: 74
- Operand1
- 22
- Operand2
- 52
- Operator
- +
50 + 11 = ___
Show answer
Answer: 61
- Operand1
- 50
- Operand2
- 11
- Operator
- +
22 + 1 = ___
Show answer
Answer: 23
- Operand1
- 22
- Operand2
- 1
- Operator
- +
2 + 31 = ___
Show answer
Answer: 33
- Operand1
- 2
- Operand2
- 31
- Operator
- +
31 + 11 = ___
Show answer
Answer: 42
- Operand1
- 31
- Operand2
- 11
- Operator
- +
34 + 60 = ___
Show answer
Answer: 94
- Operand1
- 34
- Operand2
- 60
- Operator
- +
16 + 31 = ___
Show answer
Answer: 47
- Operand1
- 16
- Operand2
- 31
- Operator
- +
Teaching Notes
Practice addition within 100 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Addition Within 100 Starter Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.