Let's solve each of these
order of operations problems step by step using the
PEMDAS rule:
>
Parentheses,
Exponents,
Multiplication and
Division (from left to right),
Addition and
Subtraction (from left to right)
We'll go through each problem one by one.
---
1. $ 5 \times 4 + 13 $
- Multiply first: $ 5 \times 4 = 20 $
- Then add: $ 20 + 13 = 33 $
✔ Answer: 33
---
2. $ 110 - 100 \div 5 $
- Divide first: $ 100 \div 5 = 20 $
- Then subtract: $ 110 - 20 = 90 $
✔ Answer: 90
---
3. $ 11 + 18 \div 6 $
- Divide first: $ 18 \div 6 = 3 $
- Then add: $ 11 + 3 = 14 $
✔ Answer: 14
---
4. $ 8 \times 8 - 14 $
- Multiply first: $ 8 \times 8 = 64 $
- Then subtract: $ 64 - 14 = 50 $
✔ Answer: 50
---
5. $ 3 \times 4 - 8 $
- Multiply: $ 3 \times 4 = 12 $
- Subtract: $ 12 - 8 = 4 $
✔ Answer: 4
---
6. $ 3 + 7 \times 5 $
- Multiply first: $ 7 \times 5 = 35 $
- Then add: $ 3 + 35 = 38 $
✔ Answer: 38
---
7. $ 30 - 21 \div 3 $
- Divide: $ 21 \div 3 = 7 $
- Subtract: $ 30 - 7 = 23 $
✔ Answer: 23
---
8. $ 60 \div 12 + 9 $
- Divide: $ 60 \div 12 = 5 $
- Add: $ 5 + 9 = 14 $
✔ Answer: 14
---
9. $ 9 \times 9 - 22 $
- Multiply: $ 9 \times 9 = 81 $
- Subtract: $ 81 - 22 = 59 $
✔ Answer: 59
---
10. $ 72 - 63 \div 9 $
- Divide: $ 63 \div 9 = 7 $
- Subtract: $ 72 - 7 = 65 $
✔ Answer: 65
---
11. $ 35 + 25 \div 5 $
- Divide: $ 25 \div 5 = 5 $
- Add: $ 35 + 5 = 40 $
✔ Answer: 40
---
12. $ 9 \times 4 - 16 $
- Multiply: $ 9 \times 4 = 36 $
- Subtract: $ 36 - 16 = 20 $
✔ Answer: 20
---
13. $ 24 \div 3 - 5 $
- Divide: $ 24 \div 3 = 8 $
- Subtract: $ 8 - 5 = 3 $
✔ Answer: 3
---
14. $ 80 - 8 \times 9 $
- Multiply: $ 8 \times 9 = 72 $
- Subtract: $ 80 - 72 = 8 $
✔ Answer: 8
---
15. $ 80 - 7 \times 6 $
- Multiply: $ 7 \times 6 = 42 $
- Subtract: $ 80 - 42 = 38 $
✔ Answer: 38
---
16. $ 66 \div 6 - 6 $
- Divide: $ 66 \div 6 = 11 $
- Subtract: $ 11 - 6 = 5 $
✔ Answer: 5
---
17. $ 6 \div 3 + 14 $
- Divide: $ 6 \div 3 = 2 $
- Add: $ 2 + 14 = 16 $
✔ Answer: 16
---
18. $ 12 + 132 \div 12 $
- Divide: $ 132 \div 12 = 11 $
- Add: $ 12 + 11 = 23 $
✔ Answer: 23
---
19. $ 6 + 54 \div 9 $
- Divide: $ 54 \div 9 = 6 $
- Add: $ 6 + 6 = 12 $
✔ Answer: 12
---
20. $ 7 + 9 \times 7 $
- Multiply: $ 9 \times 7 = 63 $
- Add: $ 7 + 63 = 70 $
✔ Answer: 70
---
✔ Final Answers:
1. 33
2. 90
3. 14
4. 50
5. 4
6. 38
7. 23
8. 14
9. 59
10. 65
11. 40
12. 20
13. 3
14. 8
15. 38
16. 5
17. 16
18. 23
19. 12
20. 70
---
💡
Tip: Always remember
PEMDAS — do multiplication and division
before addition and subtraction, and work
left to right when operations are at the same level.
Let me know if you'd like this printed or formatted for a worksheet!
Parent Tip: Review the logic above to help your child master the concept of order of operations worksheet pdf.
