1. Splash Screen

2. Lesson Menu Five-Minute Check (over Lesson 1–5) Main Idea and Vocabulary Example 1:Evaluate an Algebraic Expression Example 2:Evaluate Expressions Example 3:Evaluate Expressions Example 4:Real-World Example

3. Main Idea/Vocabulary variable algebra algebraic expression coefficient Evaluate simple algebraic expressions.

4. Example 1 Evaluate an Algebraic Expression Evaluate t – 4 if t = 6. Answer: 2 t – 4 = 6 – 4Replace t with 6. = 2Subtract. Interactive Lab: Modeling Algebraic Expressions

5. 1.A 2.B 3.C 4.D Example 1 A.3 B.7 C.11 D.28 Evaluate 7 + m if m = 4.

6. Example 2 Evaluate Expressions Evaluate 5x + 3y if x = 7 and y = 9. 5x + 3y= 5(7) + 3(9)Replace x with 7 and y with 9. = 35 + 27Do all multiplications first. = 62Add 35 and 27. Answer: 62

7. 1.A 2.B 3.C 4.D Example 2 A.2 B.5 C.24 D.72 Evaluate 4a – 2b if a = 9 and b = 6.

8. Example 3 Evaluate Expressions Evaluate 5 + a 2 if a = 5. 5 + a 2 =5 + 5 2 Replace a with 5. =5 + 25Evaluate the power. =30Add. Answer: 30

9. 1.A 2.B 3.C 4.D Example 3 A.15 B.18 C.164 D.441 Evaluate 24 – s 2 if s = 3.

10. Example 4

11. Answer: about 37.2°C Subtract 32 from 99. Multiply 5 and 67. Divide 335 by 9. Replace F with 99.

12. 1.A 2.B 3.C 4.D Example 4 A.$4.25 B.$7.75 C.$9.25 D.$12.75 BOWLING David is going bowling with a group of friends. His cost for bowling can be described by the formula 1.75 + 2.5g, where g is the number of games David bowls. Find the total cost of bowling if David bowls 3 games.

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14. Resources Five-Minute Check (over Lesson 1–5) Image Bank Math Tools Arithmetic Sequences Modeling Algebraic Expressions Function Machines

15. 1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 1-5) A.5 packages of hot dog buns and 4 packages of hot dogs B.3 packages of hot dog buns and 5 packages of hot dogs C.4 packages of hot dog buns and 5 packages of hot dogs D.5 packages of hot dog buns and 3 packages of hot dogs Solve using the guess and check strategy. Hot dogs come in packages of 10. Hot dog buns come in packages of 8. How many packages of hot dogs and hot dog buns would you need to buy to have enough buns for every hot dog?

16. 1.A 2.B 3.C 4.D Five Minute Check 2 A.8 B.6 C.5 D.7 Solve using the guess and check strategy. A number is multiplied by 8. Then 5 is subtracted from the product. The result is 43. What is the number? (over Lesson 1-5)

17. 1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 1-5) A.20 student tickets and 60 adult tickets B.90 adult tickets and 30 student tickets C.60 adult tickets and 20 student tickets D.90 student tickets and 30 adult tickets Solve using the guess and check strategy. The school carnival made $420 from ticket sales. Adult tickets cost $5 and student tickets cost $3. Also, three times as many students bought tickets as adults. How many adult and student tickets were sold?

18. 1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 1-5) A.3, 9, 27, 81, 243,... B.1, 8, 27, 64, 125,... C.3, 6, 9, 12, 15,... D.1, 4, 7, 10, 13,... Which sequence follows the rule 3 n, where n represents the position of a term in the sequence?

19. End of Custom Shows