SWBAT… solve multi-step equations

Agenda 1. Warm-up (10 min)2. Review hw#3 (10 min)3. Work on hw#4 (20 min)

Warm-Up. Solve and check each equation:

1.) b – 8b + 1 = -6 (Hint: Step 1: CLT b – 8b)

2.) -(3 + x) = 21

HW#4-Multi-Step Eqns

2nd Period, Tues, 10/5/10

SWBAT… solve multi-step equations

Agenda 1. Review hw#3 (10 min)2. White board practice – equations (35 min)

Warm-Up. Solve:

1. -6y + 12 + 3y = 21

HW#5 – Eqns with variables on both sides

2nd Period Wed, 10/6/10

HW#5 Answers:1. Step 2: Subtract 2 from both sides2. Step 1: Add 4c to both sides3. k = -44. g = 145. y = 36. m = 47. a = 18. j = 39. w = ½10. x = 2

SWBAT… solve equations with no solutions or infinite solutions

Agenda 1. Review hw#6 (10 min)2. Equations: no solutions or infinite (20 min)3. Practice: HW#7 (15 min)

Warm-Up. Solve:

1. 5x + 5 = 3(5x – 4) – 10x2. -5(3 – q) + 4 = 5q – 11

HW#7 – Eqns with no solutions or infinite solutions

1st Period Fri, 10/8/10

SWBAT… solve multi-step equations.

Agenda 1. Quiz (10 min)2. Quiz corrections / application equation problems (35

min)

Warm-Up: Solve1. 2(r + 4) – 2 = (12r + 18)

HW#6 – Application Equation Problems/ Quiz Corrections

2nd Period Fri, 10/8/10

3

2

1. Take out week 5 agenda2. Take out a red pen3. This is your quiz – you have 10

minutes!4. Make sure to CHECK your answers!5. Hint: You can leave #5 as a decimal

(or fraction)

SWBAT… solve equations with no solutions or infinite solutions

Agenda 1. WU: Equations: no solutions or infinite (10 min)2. Equations on poster board

Warm-Up. Solve:

1. 5(x + 3) + 2 = 5x + 172. 8(5c – 2) = 10(32 + 4c)

HW#7 – Eqns with no solutions or infinite solutions/ HW#8: Multi-step eqns

Tues, 10/12/10

HW#7-No Solutions & Infinite Solutions Answers

1. No Solution

2. No Solution

3. Infinite Solutions or All Numbers

4. No Solution

5. Infinite Solutions or All Numbers

6. No Solution

7. Infinite Solutions or All Numbers

8. No Solution

HW#6-Application Equations Answers

1. 24.9 = 8.1 + t t = 16.8 hours

2. 555 = 139 + p p = 416 passengers

3. 5 + c = 7.5 c = 2.5 million

4. 1.6 – m = 0.8 m = $0.8 million

5. 126 = 2/3c c = $189

6. 2/3p – 25 = 115 p = $210

7. 2h – 175 = 755 h = 465 home runs

HOMEWORK

HW#8 – Multi-step equations (Just the front side)

Tomorrow we will present the your posters

You will be working with the student sitting next to you

On the big poster board, solve your equation given

Show all work (but you already knew that!) Write out the steps as you solve the

problem Select students will present their equation

SWBAT… solve literal equations

Agenda

1. Equation presentations (15 min)

2. Equations on tablets (30 min)

Warm-Up. Solve:

1. Take out hw#8

2. Take a tablet and eraser - do not write on them yet! (to be used after the presentations)

HW#9 – Literal Eqns

Wed, 10/13/10

Directions:On your tablets, you will be solving

equations.You will have 1-3 minutes to solve

each problem (SHOW YOUR WORK – ALL STEPS!)

When you hear the timer go off, show me your tablets.

6/15

k = 12

5

3

3k

9

7/15

5y – 4 = 9y + 8Step 1: Subtract 9y from both sidesStep 2: Add 4 to both sidesStep 3: Divide both sides by -4

y = -3

8/15

The sum of six and four times d is the same as d minus nine. Solve for d.

6 + 4d = d – 9 d = -5

9/15

3(2k – 2) = -2(4k – 11)

k = 2

10/15

3

1

6

5

6

1

3

2 qq

2

1q

11/15

6(3a + 1) – 30 = 3(2a – 4)

a = 1

12/15: Literal Equation

Given d = rt for t

Solve for r

t = d/r r = d/t

13/15: Literal Equation

Given y = mx + b solve for bSolve for m

b = y – mx

14/15: Literal Equation

Given P = 2l + 2w solve for w

w = (P – 2l)/2

15/15: Literal Equation

Solve 5x – 3y = 9 for y

y = 5/3x – 3