169_186_CC_A_RSPC1_C12_662330.indd



Mid Chapter Expressions Study GuideWrite the correct answer in the blank at the right of each question.1. Write 163 as a product of the same factor. Then find the value.2. Write 9 × 9 × 9 × 9 × 9 × 9 using an exponent.Find the value of each expression.3. 8 × (33 + 2) – 114. 30 × 4 – 22 × 55. –55 ÷ 5 × 23 ÷ 46. Tanya purchased 4 hammers for $11.79 each and 7 screwdrivers for $6.65 each. Write an expression for the total cost of the tools. Then find the total cost.Evaluate each expression if a = 3, b = 23, and c = -6.7. 2a + 58. 2c + 3a9. c2 + 3ab10. 2(a + c)a11. Koby took $43 to the movie theater. If he paid for 3 tickets that each cost d dollars, he will have 43 – 3d left. How much does he have left if the tickets cost $9.75 each?1._____________; ________2. ________________3. ________________4. ________________5. ________________6. Expression: ___________Total cost: _____________7. ________________8. ________________9. ________________10. ________________11. ________________Mid Chapter Expressions Study GuideWrite each phrase as an algebraic expression.12. 16 seconds faster than Najib’s time13. one piece more than twice the number of pieces14. one third of Danielle’s height15. six meters less than four times the width16. Devante made and sold 8 pitchers of lemonade at his lemonade stand. He used the same number of lemons in each pitcher. He had 3 lemons left over. Write an expression to represent the total number of lemons Devante had in all.17. Helen divided her colored pencils evenly among herself and three friends. Write an expression to represent the number of pencils each person received.Simplify each expression. 18. 6x2 – 2x + 5x – 4 19. 5m2 – 7n + m2 – 4n20. 4g + 8 – 9h – 10 + (–5h) Use the follow expression to answer question #21-25.4p2 – 8r + r + 3p – 7 21.Terms: _______________________22. Like Terms: ___________________ 23. Variables: _____________________24.Coefficients: ____________________25.Constants: _____________________ 12.________________13. ________________14. ________________15. ________________16. ________________17. ________________18. ________________19. ________________20. ________________ ................
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