Writing Inequalities from Word Problems Mrs. Rauch 12/10/15.

Slides:



Advertisements
Similar presentations
1.3 Solving Equations 1.5 Solving Inequalities
Advertisements

Splash Screen Inequalities Involving Absolute Values Lesson5-5.
7 th Grade Math Week of 11/10/14 Information from :
Course 2: Inequalities Objectives:
Do Now 11/24/14 *PUT AWAY CELL PHONES*. Learning Goal I can write simple and compound inequalities I can solve and graph inequalities.
EXAMPLE 1 Solve absolute value inequalities
3.5 – Solving Systems of Equations in Three Variables.
Graphing Inequalities in Two Variables 12-6 Learn to graph inequalities on the coordinate plane.
Writing Inequalities to Represent Real-Life Situations
$100 $200 $300 $400 $500 $200 $300 $400 $500 PropertiesExpressions Equations One-Step Inequalities Vocabulary Graphing Inequalities.
Solving Inequalities. Exploring Inequalities PhraseSymbolExamples is less than.
Word Problems that Lead to Inequalities. Word Problem Solving Strategies Read through the entire problem. Highlight the important information and key.
A.A B.B C.C D.D Do Now Write an inequality for each sentence. (If you need help use p. 234 and 235 in your book) Fido weighs more than 15 pounds. The room’s.
Objective : Solving systems of linear equations by graphing System of linear equation two or more linear equations How do I solve linear systems of equations?
Creating Inequalities in one variable. An inequality is a statement that 2 quantities are not equal. The quantities are compared by using the following.
Solving Two-Step Inequalities. Warm Up Solve each inequality. Graph and check the solution.
3.6 Solving Absolute Value Equations and Inequalities
Inequalities Symbols and line graphs. Symbols  < is less than  > is greater than  < is less than or equal to  > is greater than or equal to points.
Learning Target: The student will be able to
Solving and using number lines Inequalities. Inequalities and Equalities What’s the difference? What are the answers?
Day Problems For each solution write and graph an inequality.
Math 9 Lesson #23 – Absolute Value Equations and Inequalities Mrs. Goodman.
Logarithms 1 Converting from Logarithmic Form to Exponential Form and Back 2 Solving Logarithmic Equations & Inequalities 3 Practice Problems.
1.graph inequalities on a number line. 2.solve inequalities using addition and subtraction. Objective The student will be able to:
Writing Equations to solve Word Problems. One way to solve word problems is to look for key words to help you write an equation. You must decide what.
Lesson 1.4 Equations and Inequalities Goal: To learn how to solve equations and check solutions of equations and inequalities.
Inequalities Objective: Use inequalities. 5-Minute Check Solve each equation using the inverse operation r = 12.
Inequalities Algebraic Concepts and Applications.
Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. 2. The graph of a linear inequality in two variables is the set of all points in.
Algebra 2 & Graphing Shelby Ferreira. Group Activity The United States population in 2005 was twice the population in If the population of the United.
Chapter 1 Section 4 Write Equations and Inequalities Objective: Students will translate verbal sentences into equations or inequalities Standard: A.SSE.1.
Word problems that lead to inequalities. Word Problem Solving Strategies Read through the entire problem. Highlight the important information and key.
Word problems that lead to inequalities. Word Problem Solving Strategies Read through the entire problem. Highlight the important information and key.
Word problems that lead to inequalities
Chapter 4 Review Solving Inequalities.
Equations and Inequalities. Unit 8 – Solving Inequalities.
Warm Up Represent each statement as a mathematical expression using variables: (copy each “phrase” into your notebook) Five more than a number Three times.
Objective: I can solve word problems!
Multiplication Strategies
Ch 2 – Solving Linear Inequalities
Inequalities Solving inequalities are like solving equations. The one difference is a greater than or less than sign instead of an equal sign.
Writing Inequalities to Represent Real-Life Situations
Word Problems and Inequalities
1.4 – Writing Equations and Inequalities
Solving Equations by Factoring and Problem Solving
Word problems that lead to inequalities
Unit 4. Day 20..
“Day D” February 6, :01 - 9:01 Exploratory 9: :03
Solve a system of linear equation in two variables
Before: Solve the following inequalities..
Solving Two-Step Equations
You need: Pencil Agenda Scrap Paper AP log
Notes - Solving Quadratic Equations in Factored Form
Warm-up: Inequalities (Race). answer problem in google form link on Ms
Writing equations in context
Inequalities Friday, 22 February 2019.
1.4 – Writing Equations and Inequalities
Writing Inequalities to Represent Real-Life Situations
1. > < ≥ ≤ Signs of Inequality Term Definition Example
Solving Equations with Variables on Both Sides
Solving Equations with Variables on Both Sides
Notes Over 1.7 Solving Inequalities
Notes Over 1.7 Solving Inequalities
Unit 4. Day 13..
Course 2: Inequalities Objectives:
#1 #2 #3 Chapter 6 -3 Write an inequality for the sentence:
Inequalities x > a Means x is greater than a
Lesson Graphing & Solving Inequalities
Bell Work Solve and Check x = y – 5.6 = 34.2 x = -68
Presentation transcript:

Writing Inequalities from Word Problems Mrs. Rauch 12/10/15

Word Problem Solving Strategies Read through the entire problem. Highlight the important information and key words that you need to solve the problem. Identify your variables. Write the equation or inequality. Solve. Write your answer in a complete sentence. Check or justify your answer. Read through the entire problem. Highlight the important information and key words that you need to solve the problem. Identify your variables. Write the equation or inequality. Solve. Write your answer in a complete sentence. Check or justify your answer.

Inequality Key Words  At least – means greater than or equal to  No more than – means less than or equal to  More than – means greater than  Less than – means less than  At least – means greater than or equal to  No more than – means less than or equal to  More than – means greater than  Less than – means less than

Example 1  Keith has $500 in a savings account at the beginning of the summer. He wants to have atleast $200 in the account by the end of summer. He withdraws (takes out) $25 a week for his cell phone bill.  Write an inequality that represents Keith’s situation.  Keith has $500 in a savings account at the beginning of the summer. He wants to have atleast $200 in the account by the end of summer. He withdraws (takes out) $25 a week for his cell phone bill.  Write an inequality that represents Keith’s situation.

Example 1 (Answer) 500 – 25w > 200

Example 2

Example 2 (Answer).65m < 10

Example 3

Example 3 (Answer)

Example 4

Example 4 (Answer)