Do Now 9/15/10Do Now 9/15/10

Take out HW from last night.Take out HW from last night.– Text p. 20, #1-10 allText p. 20, #1-10 all– Text p. 24-26, #2-42 evenText p. 24-26, #2-42 even

Copy HW in your planner.Copy HW in your planner.– Text p.31-33, #4-22 evenText p.31-33, #4-22 even– Chapter 1 TEST FridayChapter 1 TEST Friday

Be ready for Mid-Chapter Quiz. Any last minute Be ready for Mid-Chapter Quiz. Any last minute questions???questions???

HomeworkHomework Text p. 20, #1-10 all Text p. 20, #1-10 all

1) 531) 53

2) 62) 6

3) 4003) 400

4) 194) 19

5) 495) 49

6) 2.256) 2.25

7) y – 7 7) y – 7

8) t + 58) t + 5

9) 2k9) 2k

10) 25 + 2p; $3510) 25 + 2p; $35

In your notebook, answer the following question. In your notebook, answer the following question.

What steps do you use in order to solve a word What steps do you use in order to solve a word problem?problem?

HomeworkHomework Text p. 24-26, #2-42 even Text p. 24-26, #2-42 even

2). An expression does not contain an equal sign but an 2). An expression does not contain an equal sign but an equation does. equation does.

4). z – 11 = 354). z – 11 = 35 6). 12 + 8k = 486). 12 + 8k = 48 8). 4w 8). 4w ≤ 51≤ 5110). 4 < 8k 10). 4 < 8k ≤ 16≤ 1612). p 12). p ≤ 10≤ 1014). The wrong inequality sign is used. n + 4 14). The wrong inequality sign is used. n + 4 ≤ 13.≤ 13. 16). D16). D18). Not a solution18). Not a solution20). Solution20). Solution22). Not a solution22). Not a solution24). Solution24). Solution

26). Not a solution26). Not a solution28). Not a solution28). Not a solution30). 930). 932). 432). 434). 24 34). 24 36). 2k + 4 36). 2k + 4 ≤ k + 11; solution≤ k + 11; solution38). 5; ask yourself what number times 3 plus 4 equals 19.38). 5; ask yourself what number times 3 plus 4 equals 19.40). 27 + c ≤ 40 ; no40). 27 + c ≤ 40 ; no42). No; 2.5 times 8 = 20 cups of flour needed. You only 42). No; 2.5 times 8 = 20 cups of flour needed. You only

have 18 cups. have 18 cups.

HomeworkHomework Text p. 24-26, #2-42 even Text p. 24-26, #2-42 even

ObjectiveObjective

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

Section 1.5, “Using a Problem Section 1.5, “Using a Problem Solving Plan”Solving Plan”

Step1:Step1: Read and Understand Read and Understand

Step2:Step2: Make a PlanMake a Plan

Step3:Step3: Solve the ProblemSolve the Problem

Step4:Step4: Look BackLook Back

FORMULA –FORMULA – an equation that relates two or an equation that relates two or

more quantities.more quantities.

Temperatures Temperatures Distance TraveledDistance Traveled

ProfitProfit Simple InterestSimple Interest

)32(9

5 FC

EIP tI Pr

rtd

Using Formulas…Using Formulas…

1). The temperature is 721). The temperature is 72ºF. What is the temperature in ºF. What is the temperature in degrees Celsius? degrees Celsius?

Substitute for each variable in the formula that you know. Then solve. Substitute for each variable in the formula that you know. Then solve.

Use the temperature formula: Use the temperature formula: )32(9

5 FC

)3272(9

5C Substitute for degrees F. Substitute for degrees F.

Simplify: Simplify: )40(9

5C 22C

Using Formulas…Using Formulas…

Create 4 word problems that deal with the use of Create 4 word problems that deal with the use of formulas. Use the 4 formulas we just learned.formulas. Use the 4 formulas we just learned.

Place one word problem on each note card and Place one word problem on each note card and then solve the problem on the back. then solve the problem on the back.

Switch cards with your neighbors. Can you Switch cards with your neighbors. Can you solve their problems???solve their problems???

HomeworkHomework

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