1. Do Now 9/15/10 Take out HW from last night. –Text p. 20, #1-10 all –Text p. 24-26, #2-42 even Copy HW in your planner. –Text p.31-33, #4-22 even –Chapter 1 TEST Friday Be ready for Mid-Chapter Quiz. Any last minute questions???

2. Homework Text p. 20, #1-10 all 1) 53 2) 6 3) 400 4) 19 5) 49 6) 2.25 7) y – 7 8) t + 5 9) 2k 10) 25 + 2p; $35

3. In your notebook, answer the following question. What steps do you use in order to solve a word problem?

4. Homework Text p. 24-26, #2-42 even 2). An expression does not contain an equal sign but an equation does. 2). An expression does not contain an equal sign but an equation does. 4). z – 11 = 35 4). z – 11 = 35 6). 12 + 8k = 48 6). 12 + 8k = 48 8). 4w ≤ 51 8). 4w ≤ 51 10). 4 < 8k ≤ 16 12). p ≤ 10 14). The wrong inequality sign is used. n + 4 ≤ 13. 16). D 18). Not a solution 20). Solution 22). Not a solution 24). Solution

5. 26). Not a solution 28). Not a solution 30). 9 32). 4 34). 24 36). 2k + 4 ≤ k + 11; solution 38). 5; ask yourself what number times 3 plus 4 equals 19. 40). 27 + c ≤ 40 ; no 42). No; 2.5 times 8 = 20 cups of flour needed. You only have 18 cups. Homework Text p. 24-26, #2-42 even

6. Objective SWBAT use a problem solving plan to solve problems.

7. Section 1.5, “Using a Problem Solving Plan” Section 1.5, “Using a Problem Solving Plan” Step1: Read and Understand Step2: Make a Plan Step3: Solve the Problem Step4: Look Back

8. FORMULA – FORMULA – an equation that relates two or more quantities. Temperatures Temperatures Distance Traveled Distance Traveled Profit Profit Simple Interest Simple Interest

9. Using Formulas… 1). The temperature is 72ºF. What is the temperature in degrees Celsius? Substitute for each variable in the formula that you know. Then solve. Use the temperature formula: Use the temperature formula: Substitute for degrees F. Substitute for degrees F. Simplify: Simplify:

10. Using Formulas… Create 4 word problems that deal with the use of formulas. Use the 4 formulas we just learned. Place one word problem on each note card and then solve the problem on the back. Switch cards with your neighbors. Can you solve their problems???

11. Homework Text p.31-33, #4-22 even