You have a suitcase that can hold up to 23 kilograms. You are packing clothes and want to make sure you have space left over for a Playstation you plan.

Slides:

Advertisements

Similar presentations

CONFIDENTIAL 1 Variables and Expressions Variables and Expressions.

Advertisements

5 Minute Check. Solve and show work. 1. x + 5 = 11.

The PTSO of West-East HS were selling tickets for the game against their rival, North-South HS. The PTSO received a $1500 donation from a booster and adult.

Decomposing Twice Lesson 2.18:.

Quiz Evaluate each expression for the given values of the variables. 1. 6x + 9 for x = x + 3y for x = 4, y = 2 3. If n is the amount of money in.

Unit 3: Solving Equations

Writing Equations. Turning Words into Equations  Similar to turning words into expressions  The word is tells you where your equal sign goes Write each.

5th Grade Module 2 – Lesson 29

2-9A Solving Equations from Word Problems Basic Amount/Sum Problems Rectangle Problems Algebra 1 Glencoe McGraw-HillLinda Stamper.

Length 1 foot = 12 inches 1 yard =3 feet 1 mile = 1760 yards

Problem Solving Strategies: Story Problems

Unit 2 Solving Equations.  The cost in dollars of carpet at Lowes is found by multiplying the area of the room by 12.5 then adding 100.  Write an equation.

Modified Jeopardy. If you are playing with a partner, decide how many points you think the question is worth BEFORE you solve.

Section 3.6 Writing Equations for Story Problems.

Writing Two-Step Equations. Equation – a mathematical sentence containing variables, numbers and operation symbols Two-step equation – an equation with.

Video can be viewed at:

Ratios and Proportions

Holt Algebra Solving Equations by Adding or Subtracting Over 20 years, the population of a town decreased by 275 people to a population of 850. Write.

Our Lesson Inequalities with Add and Subtract. Confidential2 1)Seven roses less than Kiran y – 7 2)Half as many Oranges as last year ½ m 3)One more than.

Monday’s Warm Up Helen is now 20 years old and Arlene is 10 years old. How many years ago was Helen three times as old as Arlene was then? 5 years ago,

What are the challenges? To know how to translate word problems into a workable mathematical equation. To know where to start and how to go about figuring.

Solving systems of equations with 2 variables

ELT Math Literacy -Ms. Doe. Determine the meaning  increased by  more than  combined, together  total of  sum  added to.

Click to Begin Click to Begin. Solving Multi-step Equations Vocabulary Simplifying Algebraic Expressions Solving One and Two One and Two Step Equations.

Our Lesson Inequalities with Add and Subtract. Confidential2 1)Seven roses less than Kiran 2)Half as many Oranges as last year 3)One more than a number.

Translating Words into Algebraic Expressions. Vocabulary  Variable  is a symbol usually a letter that represents one or more numbers.  ex. A number.

Chapter 1 Expressions, Equations, and Functions Prerequisite Skills Page xxii (page before 1)

1 1.0 pt 1.5 pt 2.0 pt 2.5 pt 0.5 pt 1.0 pt 1.5 pt 2.0 pt 2.5 pt 0.5 pt 1.0 pt 1.5 pt 2.0 pt 2.5 pt 0.5 pt 1.0 pt 1.5 pt 2.0 pt 2.5 pt 0.5 pt 1.0 pt 1.5.

Algebra TEXAS StyleA2warmup2 Algebra 2 Warm-up 2.

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?

Algebra Jeopardy One StepTwo StepWriting Equations ExpressionsEvaluating Expressions

WRITING EQUATIONS WITH VARIABLES! MS. DIEHL / OCTOBER 6, 2011.

Algebraic Expressions Word Problems Evaluating Expressions Simplifying Expressions.

An Equation A Day Keeps the Doctor Away! Math in the medical profession Week of 2/1/11.

POD 1/24 1.Create a table for each equation. 2. How would you expect them to look if you graphed them? Be specific. xy xy.

LET’S PLAY ALGEBRA JEOPARDY!! Created by Martin Boonstra May, 2008.

Chapter 1 Summary and Review Let’s play JEOPARDY!!!!!

Respond completely in your Answer Document. (2 points) Name________________________ Extended Response Practice #4 /4 points.

Two-Step Equations. Standards  CC.8.EE.7 Solve linear equations in one variable.

(For help, go to Lesson 1-1.) ALGEBRA 1 LESSON 2-7 Write a variable expression for each situation. 1.value in cents of q quarters 2.twice the length 3.number.

Note: Many problems in this packet will be completed together in class during review time. Students are not expected to complete every single problem in.

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.

Solving Equations Real World Problem Solving. Equations A car salesman receives an annual salary of $35,000 per year, plus he also receives 25% of his.

4.2B Word Problems - Solving Linear System by Substitution.

5th Grade Module 2 – Lesson 28

Simple Percent Problems To solve a simple percent problem, you change the percent to a decimal and multiply. Solve the following percent problems. Remember.

Problem 1 After depositing $50 into his savings account, Mario now has $324 in total savings. Write and solve an equation to calculate how much Mario had.

Only those with single- step equation experience dare proceed! Section 6.4.

8 th Grade Ciphering. Sample Evaluate 10.1 × 5.3.

Purpose: Making equations and solving word problems. Homework: p – 29 odd.

One Step Equation To solve one step equations, you have to use the inverse operation to get the variable alone. Example:

© T Madas. I think of a number, add 11 and get 32 I think of a number, subtract 7 and get 5 I think of a number, multiply by 2 and get 16 I think of a.

Name: ________________________________ Period: _____________ Date: ________________ Algebra IA First Six Weeks Assessment Review Sheet Simplify

Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Section 9.5 Formulas and Applications.

How can you convert a variable situation into an equation?

Do Now Take out Worksheets from class yesterday Continue to work on them.

(For help, go to Lesson 1-1.) ALGEBRA 1 LESSON 2-5 Write a variable expression for each situation. 1.value in cents of q quarters 2.twice the length 3.number.

3-11 MORE EQUATIONS !. HOW TO SOLVE  In some problems, we have things we do not know.  When this happens we let a letter represent the unknown (Let.

1.a) Translate the equation: Eight more than three times a number is 20. 3x + 8 = 20 3x = 12 − 8 x = b) Solve the equation. 3x + 8 = 20 Subtract.

Expressions, Equations, and Inequalities

Writing Equations.

Solving Equations from Word Problems

Using Variables ALGEBRA 1 LESSON 1-1

Objective- To solve equations in the form ax - b = c.

Writing Expressions Mrs. Breeding 6th Grade.

Problem Solving and Using Formulas

5.2 Solving Quadratic Equations by Factoring

Presentation transcript:

You have a suitcase that can hold up to 23 kilograms. You are packing clothes and want to make sure you have space left over for a Playstation you plan to buy before your trip. If the Playstation weighs 3.75 kg, how many clothes can you pack?

Clothes + Playstation=Total weight x = x = kg Let x = amount of clothes

John is 3 years less than twice his sister’s age. If John is 11, how old is his sister?. What does the variable represent?

John’s age twice his sister’s age 3 years less than 11 = 2s2s- 3 Let s = sister’s age

Write equations for the following problems in your orange notebook!

Seven more than three times a number is 31

7 + 3n = 31

The quotient of a number and 9 increased by 3 is -7

The width of a singles tennis court is 27 feet. This is one foot more than one-third of the length.

Joanne starts with $5 in her savings account and adds $10 every week. Write an expression with a variable that tells how much she will have in her account after n weeks.

How much will Joanne have in her savings account after 9 weeks?