Homework: Order of Operations



Homework: Order of Operations · ÷

Use “pemdas” to help simplify each expression. Check your work on a calculator and record keystrokes if your answers do not match each other.

1. 8 + 7 · 9 11. 12 + 42

2. 35 – (17 – 2) ÷ 5 12. 24 – 9 · 2 + 6 ÷ 3

3. 90 – 22 13. 45 + 3

28 – 11 9

4. 12(2 + 7) – 24 ÷ 12 14. 4(9 – 3) ÷ (8 – 2)

5. 26 – [ (25 – 11) – 23] 15. (82 – 25) ÷ (24 ÷ 6) + 32

6. [pic] 16. [pic]

Substitute and evaluate: x = 8, y = 6, m = 3, p = ½ , n = ¾

7. 4x – 2m 17. 5y + 8p

8. nxy ÷ m 18. 2( 3x + 6) ÷ (10m)

9. 2ny + x 19. (x + y) ÷ p

10. 6p + 8n 20. my – 2x

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