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Unit 4 – Equations and Inequalities

WEDNESDAY, DECEMBER 12, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Algebraic Word ProblemsClasswork: Solving one step equations with addition

and subtraction (9.1 pg. 110-111)Homework: pg. 30 in workbook due FRIDAY

Equations with Adding/Subtracting (9.1 pg. 110-111)

Example 1: 4 = x – 1

Example 2: x + 78 = 114

Example 3: k – 34 = 100

When solving equations – ALWAYS check your work!

THURSDAY, DECEMBER 13, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Equivalent ExpressionsClasswork: Solving one step equations with multiplication and division (9.2 pg. 112)

Homework: pg. 30 in workbook due TOMORROW

Equations with Multiplying/Dividing (9.2 pg. 112)

Example 4: 3x = 24

Example 5: k = 10 8

When solving equations – ALWAYS check your work!

FRIDAY, DECEMBER 14, 2012- COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR ME

TO SIGN.- Turn in warm-up papers.

**BE sure NAME, DATE, PERIOD, ASSIGNMENT is in right hand corner**

Classwork: Review WorksheetHomework: Computer Lab Monday

MONDAY, DECEMBER 17, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving Equations (Adding)Classwork: Computer Lab

Homework: Study for Finals – Math is WEDNESDAY

TUESDAY, DECEMBER 18, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving Equations (Subtraction)Classwork: Combining Like Terms (pg. 114 – 9.4)

Homework: Study for Finals – Math is TOMORROW

9.4 Combining Like Terms pg. 114• Algebra problems separate terms with + and –

signs. The expression 5x – 4 – 3x + 7 has 4 terms: 5x, 4, 3x, and 7. Terms having the same variable can be combined (added or subtracted) to simplify the expression.

Simplify 5x – 4 – 3x + 7

WEDNESDAY, DECEMBER 19, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving Equations (Multiplication)Classwork: MATH FINAL

Homework: Study for Finals

THURSDAY, DECEMBER 20, 2012-COME IN QUIETLY AND SIT IN YOUR

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ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving Equations (Division)Classwork: Solving Algebra Word Problems

(pg. 116 – 9.6)Homework:

9.6 Solving Algebra Word Problems pg. 116

The key is to READ CAREFULLY! Use the information given to solve what the question is asking.

• Example 9: Mrs. Hill bought 3 pounds of apples. The price is $2.49 per pound. How much did Mrs. Hill pay for the 3 pounds of apples?

Step 1: Get the facts together:

FRIDAY, DECEMBER 21, 2012-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-Turn in warm-up papers.

**BE sure NAME, DATE, PERIOD, ASSIGNMENT is in right hand corner**

Classwork: Christmas Coordinate Graph ActivityHomework: Have a wonderful and safe holiday

TUESDAY, JANUARY 8, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Combining Like TermsClasswork: Review Rules and Procedures

Homework: Multiplication/Division Number Puzzle/Bring Composition Book Due FRIDAY.

WEDNESDAY, JANUARY 9, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving EquationsClasswork: Graphing Inequalities (9.7) pg. 118-119

Homework: Multiplication/Division Number Puzzle/Bring Composition Book Due FRIDAY.

Graphing Inequalities (9.7) pg. 118-119An inequality is a sentence that contains a < , > , ≤ , or ≥ sign. Look at the following graphs of inequalities on a number line. Graphing inequality shows all the numbers that make the inequality true.

X > 2 is read “x is greater than 2” since it is > and not ≥.

X ≤ 3 is read “x is less then or equal to 3” since the inequality is ≤. The endpoint is filled in. The graph uses a closed circle because the number 3 is included in the graph.

Graphing Inequalities (9.7) pg. 118-119There can be more than one inequality sign. These are called compound inequalities. For example:1 < x < 4 is read “1 is less than x and x is less than 4.”

1 4

X < 1 or x ≥ 4 is read “x is less than 1 or x is greater than or equal to 4.”

0 1 4

Graphing Inequalities (9.7) pg. 119

THURSDAY, JANUARY 10, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR ME

TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Solving EquationsClasswork: Solving Inequalities by Adding and

Subtracting (9.8) pg. 120Homework: Multiplication/Division Number

Puzzle/Bring Composition Book Due TOMORROW.

Solving Inequalities by Addition and Subtraction(9.8) pg. 120

Solving inequalities is similar to solving equations.

Example 11: Solve and graph the solution set for x – 2 ≤ 5Step 1: Add 2 to both sides of the inequality so the variable will be by itself. x – 2 ≤ 5

Step 2: Graph the solution set for the inequality.

FRIDAY, JANUARY 11, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Order of OperationsClasswork: Solving Inequalities by Multiplying and

Dividing (9.9) pg. 121Homework: MAKE SURE YOU HAVE COMPOSITION BOOK

Solving Inequalities by Multiplication and Division (9.9) pg. 121

Solving inequalities is similar to solving equations.

Example 12: Solve and graph the solution set for 4x ≤ 5Step 1: Divide both sides of the inequality by 4. 4x ≤ 5

Step 2: Graph the solution

MONDAY, JANUARY 14, 2013- COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR ME TO

SIGN.- COMPLETE THE FOLLOWING WARM-UP:

CRCT Practice in Composition Book

Classwork: Computer LabHomework: Inequality Word Problems (9.10) pg. 122

CDA #4 Friday

MONDAY’S WARM-UPS1.) A pancake recipe calls for 1.5 cups of mix to make 6 pancakes. Gina estimates that she will need a total of 15 pancakesto feed her family. How many cups of pancake mix should she use?A 3.75 cupsB 4 cupsC 4.25 cupsD 4.5 cups

2.) Evaluate 2(3.8 + 5.5) - 1.9A 14.3 B 15.8C 16.7 D 18.4

TUESDAY, JANUARY 15, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Classwork: Graphing Linear Equations (10.1) pg. 126-127

Homework: CRCT Algebra Practice due FridayCDA #4 Friday

TUESDAY’S WARM-UPS1.) What is the prime factorization of 90?A 2 × 3 × 5B 2 × 32 × 52C 2 × 32 × 5D 22 × 32 × 5

2.) The table shows how much it costs to ship packages of different weights. How much would it cost to ship 3 packages that weigh 2.8 pounds each and 2 packages that weigh 3.7 pounds each?A $68.25B $59.85C $47.65D $24.40

Weight (lb) Cost0-1 $6.451-2 $8.752-3 $11.053-4 $13.354-5 $15.65

WENDESDAY, JANUARY 16, 2013- COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR ME

TO SIGN.- COMPLETE THE FOLLOWING WARM-UP:

Classwork: Finding Values of Variables in Tables / Dependent and Independent Variables

Homework: CRCT Algebra Practice due FridayCDA #4 Friday

WEDNESDAY’S WARM-UPS1.) Evaluate 8b - b2 + 4 if b = 3.A 11B 14C 19D 22

2.) Solve a - 12 = 36 for a.A 48 B 34C 24D 3

THURSDAY, JANUARY 17, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Classwork: Chapter 9 ReviewHomework: CRCT Algebra Practice due Tomorrow

CDA #4 Tomorrow / Ch.9 Post Test Tuesday

THURSDAY’S WARM-UPS1.) Evaluate 4 + 3b if b = 8. 4A 7 B 14C 25 D 48

2.) What value of c is a solution ofthe equation c + 11.4 = 20.8?A 9.4B 12.6C 28.8D 32.2

FRIDAY, JANUARY 18, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Classwork: Unit 4 CDAHomework: Review for Chapter 9 Post Test Tuesday

NO SCHOOL MONDAY

FRIDAY’S WARM-UPS1.) What is the GCF of 50 and 125?A 50B 25C 15D 5

2.) What is the prime factorization of 36?A 2² × 3²B 2² × 3³C 2³ × 3²D 4 × 3²

TUESDAY, JANUARY 22, 2013-COME IN QUIETLY AND SIT IN YOUR

ASSIGNED SEAT.-FILL OUT YOUR AGENDA AND HAVE IT OUT FOR

ME TO SIGN.-COMPLETE THE FOLLOWING WARM-UP:

Classwork: Ch.9 Post Test / Ch. 11 Pre-test

Homework:

TUESDAY’S WARM-UPS

1.) Which decimal is equivalent to 13 ? 20A 0.13B 0.58C 0.65D 0.72

2.) What is the next term in the sequence? 0.12, 0.6, 3, 15, 75, …A 105B 255C 375D 425