1. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 3.4: Order of Operations
Practice
Simplify the expression.
(7•(–5) – 5•(–8) + 8•2)2
9.
1. (2•3 + 6 ÷ 3 – 4•5)2 (7 – 5)2
2. (4•7 + 10 ÷ 5 – 9•3)2 (9•(–2) – 6•(–2) + 12•4)2
10.
(48 – 9)2
3. (6•(–4) + 10 ÷ (–2) – 6•2)3
(9•2 – 3•5)2 + (10•2 + 4•8)2
11.
4. (7•(–7) + 18 ÷ (–3) – 9•3)3 (5 – 3)2 – (4 –2)2
5. (9•(–2) + 22 ÷ (–2) – 6•4)4
(10•3 – 5•7)2 + (11•3 + 5•9)2
12.
(5•6 + 8•3 – 9•7)2 (7 – 2)2 – (8 –3)2
6.
(4 – 3)2 (5•(–3) – 5•4)2 + (9•3 + 6•7)2
13.
(15 – 10)2 – (7 –3)2
(7•3 + 5•2 – 8•4)2
7.
(7 – 2)2
(8•(–1) – 4•7)2 + (12•3 + 3•6)2
14.
(6•(–4) – 6•(–3) + 6•3)2 (7 – 2)2 – (12 –4)2
8.
(8 – 9)2
15. Write an expression to find the total area of these tiles. What is the
total area?
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2. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 3.4: Order of Operations
Answer Key
1. 144 10. 196/169
2. 9 11. –2713/5
3. –68,921 12. 6109/9
4. –551,368 13. 5986/9
5. 7,890,481 14. –108
6. 81 15. 5•8•4 + 4•3•10 + 2•2•25 =
7. 1/25 309
8. 144
9. 441/4
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