Order of Operations

2. STEPS
PEMDAS
1. Parentheses ( )
2. Exponents 42
3. Multiply and Divide- Left to Right
4. Add and Subtract- Left to Right

3. PROBLEM #1
(27 – 18) 3

4. PROBLEM #1
(27 – 18) 3
(27 – 18) ÷ 3

5. PROBLEM #1
(27 – 18) 3
(27 – 18) ÷ 3
9 ÷ 3

6. PROBLEM #1
(27 – 18) 3
(27 – 18) ÷ 3
9 ÷ 3
3

7. PROBLEM #2
90 – 36 X 2

8. PROBLEM #2
90 – 36 X 2
90 – 36 x 2

9. PROBLEM #2
90 – 36 X 2
90 – 36 x 2
90 – 72

10. PROBLEM #2
90 – 36 X 2
90 – 36 x 2
90 – 72
18

11. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1

12. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1
5 – 2 • 6 ÷ 4 + 1

13. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1
5 – 2 • 6 ÷ 4 + 1
5 – 12 ÷ 4 + 1

14. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1
5 – 2 • 6 ÷ 4 + 1
5 – 12 ÷ 4 + 1

15. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1
5 – 2 • 6 ÷ 4 + 1
5 – 12 ÷ 4 + 1
5 – 3 + 1

16. PROBLEM #3
5 – 2 • 6 ÷ 4 + 1
5 – 2 • 6 ÷ 4 + 1
5 – 12 ÷ 4 + 1
5 – 3 + 1
2 + 1
3