Let's solve each problem on the
Order of Operations Worksheet step by step, using the correct order of operations (PEMDAS):
>
PEMDAS stands for:
> -
Parentheses
> -
Exponents
> -
Multiplication and
Division (from left to right)
> -
Addition and
Subtraction (from left to right)
---
1. 15 + 6 - 13
- Left to right:
15 + 6 = 21
21 - 13 =
8
✔ Answer: 8
---
2. 21 + 32 × 2
- Multiplication first:
32 × 2 = 64
Then addition:
21 + 64 =
85
✔ Answer: 85
---
3. 23 - 16 ÷ 2
- Division first:
16 ÷ 2 = 8
Then subtraction:
23 - 8 =
15
✔ Answer: 15
---
4. 50 - 12 × 4
- Multiplication first:
12 × 4 = 48
Then subtraction:
50 - 48 =
2
✔ Answer: 2
---
5. (14 + 7) × 2
- Parentheses first:
14 + 7 = 21
Then multiplication:
21 × 2 =
42
✔ Answer: 42
---
6. 12 × 3 - 10
- Multiplication first:
12 × 3 = 36
Then subtraction:
36 - 10 =
26
✔ Answer: 26
---
7. 2 + 2 × 5 - 7
- Multiplication first:
2 × 5 = 10
Now expression becomes:
2 + 10 - 7
- Left to right:
2 + 10 = 12
12 - 7 =
5
✔ Answer: 5
---
8. 14 - 10 ÷ 2
- Division first:
10 ÷ 2 = 5
Then subtraction:
14 - 5 =
9
✔ Answer: 9
---
9. 20 + 12 - 24
- Left to right:
20 + 12 = 32
32 - 24 =
8
✔ Answer: 8
---
10. (12 - 9) × 6
- Parentheses first:
12 - 9 = 3
Then multiplication:
3 × 6 =
18
✔ Answer: 18
---
✔ Final Answers:
1.
8
2.
85
3.
15
4.
2
5.
42
6.
26
7.
5
8.
9
9.
8
10.
18
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Let me know if you'd like this formatted as a printable answer key!
Parent Tip: Review the logic above to help your child master the concept of exponents and order of operations worksheet.