advertisement

Name Reteach 5.6 Date Order of Operations Find 25 ⴜ (12 – 7) ⴙ 42. Follow the order of operations. Order of Operations 25 ⫼ (12 ⫺ 7) ⫹ 42 = 5 25 ⫼ (12 ⫺ 7) ⫹ 42 = Simplify within the parentheses 1. Parentheses Simplify the terms with exponents 16 25 ⫼ 5 ⫹ 42 = 2. Exponents Multiply and divide from left to right 5 25 ⫼ 5 ⫹ 16 = 3. Multiply and Divide 5 ⫹ 16 = 21 Add and subtract from left to right 4. Add and Subtract This may help you to remember the Order of Operations: Please parentheses excuse exponents my multiplication dear division Aunt addition Sally subtraction Simplify. 1. 17 ⫹ 8 ⫼ 2 2. 42 ⫼ (14 ⫺ 8) 3. 21 ⫺ (6 ⫹ 2) 4. (10 ⫺ 4) ⫻ (16 ⫼ 4) 5. (48 ⫼ 8) ⫻ 3 6. 15 ⫺ (7 ⫹ 4) 7. 8 ⫻ (49 ⫼ 7) 8. 51 ⫺ (8 ⫻ 4) ⫹ 32 9. 5 ⫹ (17 ⫺ 8) ⫹ 12 11. 43 – (6 ⫻ 7) ⫹ 14 12. 10. 4 ⫻ (2 ⫻ 3) ⫼ 8 Copyright © Houghton Mifflin Company. All rights reserved. 33 ⫹ 22 ⫹ (81 ⫼ 9) Use with text pages 124–126.