Workbook Detail
Mixed Operations Within 20 — Set 45
20 - 18 = ___
Show answer
Answer: 2
- Operand1
- 20
- Operator
- -
- Operand2
- 18
4 × 3 = ___
Show answer
Answer: 12
- Operand1
- 4
- Operator
- ×
- Operand2
- 3
18 ÷ 6 = ___
Show answer
Answer: 3
- Operand1
- 18
- Operator
- ÷
- Operand2
- 6
2 + 1 = ___
Show answer
Answer: 3
- Operand1
- 2
- Operator
- +
- Operand2
- 1
10 - 6 = ___
Show answer
Answer: 4
- Operand1
- 10
- Operator
- -
- Operand2
- 6
10 × 1 = ___
Show answer
Answer: 10
- Operand1
- 10
- Operator
- ×
- Operand2
- 1
8 ÷ 8 = ___
Show answer
Answer: 1
- Operand1
- 8
- Operator
- ÷
- Operand2
- 8
11 + 3 = ___
Show answer
Answer: 14
- Operand1
- 11
- Operator
- +
- Operand2
- 3
19 - 8 = ___
Show answer
Answer: 11
- Operand1
- 19
- Operator
- -
- Operand2
- 8
6 × 1 = ___
Show answer
Answer: 6
- Operand1
- 6
- Operator
- ×
- Operand2
- 1
2 × 3 = ___
Show answer
Answer: 6
- Operand1
- 2
- Operator
- ×
- Operand2
- 3
6 ÷ 2 = ___
Show answer
Answer: 3
- Operand1
- 6
- Operator
- ÷
- Operand2
- 2
19 + 1 = ___
Show answer
Answer: 20
- Operand1
- 19
- Operator
- +
- Operand2
- 1
13 - 6 = ___
Show answer
Answer: 7
- Operand1
- 13
- Operator
- -
- Operand2
- 6
6 × 1 = ___
Show answer
Answer: 6
- Operand1
- 6
- Operator
- ×
- Operand2
- 1
9 ÷ 9 = ___
Show answer
Answer: 1
- Operand1
- 9
- Operator
- ÷
- Operand2
- 9
10 + 9 = ___
Show answer
Answer: 19
- Operand1
- 10
- Operator
- +
- Operand2
- 9
4 - 1 = ___
Show answer
Answer: 3
- Operand1
- 4
- Operator
- -
- Operand2
- 1
10 × 1 = ___
Show answer
Answer: 10
- Operand1
- 10
- Operator
- ×
- Operand2
- 1
7 ÷ 7 = ___
Show answer
Answer: 1
- Operand1
- 7
- Operator
- ÷
- Operand2
- 7
Teaching Notes
Download this free mixed grade 1 within 20 math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a grade 1 within 20 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
How do I use this Mixed Grade 1 Within 20 Math Worksheet 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.