WARM UP 1. A number that is part of 100 is the ______________ of the number. 2. 60 is what percent of 80? 3. 20% of 40 is what number? 4. 7 is 5% of what.

Slides:

Advertisements

Similar presentations

Warm Up. Lesson 20, Graphing on a Coordinate Plane EXPRESSIONS AND EQUATIONS, FUNCTIONS.

Advertisements

Warm Up. Lesson 13: Calculating and Comparing Square Roots Expressions and Equations.

WARM-UP. LESSON 16: SIMPLIFYING AND EVALUATING VARIABLE EXPRESSIONS Expressions and Equations.

Write an equation and solve. Round to hundredths as needed.

Two Step Equation Percentages Adding and Subtracting Adding -- Tax, Markup –Original amount + a percent of that amount –An item is marked up 75%

Warm Up 1. 14,000 is 2 % of what number? is 13% of what number? % of what number is 12? % of what number is 189? 560,

Textbook Page 185 – 186; # 14 – 28 Even & 32 – 37 All.

Applications of Discount & Markup Example 1: Sam’s Electronics has a movie camera on sale for $560. The original price was $800. Determine the percent.

Rewriting Percent Expressions

Learn to solve problems involving percent of change.

Warm Up Solve % of what number is 6? 2. What percent of 20 is 8? 3. What is 80% of 60? is what percent of 200? 60 40% 48 Course Percent.

Pre-Algebra 8-4 Percent Increase and Decrease 04/14/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up & Correct Homework -Percent Increase and Decrease.

 Percent Change: Percent Increase / Percent Decrease Objective: Learn to solve problems involving percent increase and percent decrease.

Warm Up. Lesson 48, Analyzing Measures of Central Tendency Probability and Statistics.

Warm Up. Lesson 71: Scatter Plots PROBABILITY AND STATISTICS.

Evaluating Algebraic Expressions 6-5 Applying Percent of Increase and Decrease Warm Up Warm Up California Standards California Standards Lesson Presentation.

Group Challenge #1 Find the value of the variable. Then find the angle measures of the polygon. Work with your table group to solve the following problem.

Warm Up. Lesson 27: Identifying Misleading Representations of Data Statistics and Probability.

Warm Up 1.The sum of the values in a data set divided by the number of data values gives the ________________________. 2.Find the mean, median, mode, and.

Lesson 2-7 Percent of Change.

Sales Tax, Discounts, and Commissions Section 6.7.

March 31, 2010Math 132: Foundations of Mathematics 5.7 Homework Solutions 105. Geometric: 3/16, 3/ Geometric: 3/8, 3/ Arithmetic: 5/2, 3.

Expressions and Equations, Functions  Parallel lines: lines that are in the same plane but do not intersect  Slopes of parallel lines: Two nonvertical.

8-5 Sales Tax & Discount Indicator (s)  N8 Develop and analyze algorithms for computing with percent and demonstrate fluency in use. Pages

6-5 Percent of Change Warm Up Problem of the Day Lesson Presentation

Markup and Discount 6.5. markup Markup = (% of markup) (store’s cost)

Mrs. Matej. Is the amount by which the ________ ________ of an item is ________ The discounted price of an item is always ______ than the regular price.

WARM UP. LESSON 67: SOLVING AND CLASSIFYING SPECIAL SYSTEMS OF EQUATIONS Expressions and Equations.

Markup and Discount 6.9. markup Markup = (% of markup) (store’s cost) Turn the percent into a decimal or fraction.

Terms of Arithmetic Sequences

6-6 Percent of Change Warm Up Problem of the Day Lesson Presentation

Warm Up. Lesson 56: Identifying, Writing, and Graphing Direct Variation Expressions and Equations, Functions.

Inductive and Deductive Reasoning. Inductive Observing the data, recognizing a pattern and making generalizations Do you see a pattern Can you describe.

Solving a System of Equations by SUBSTITUTION. GOAL: I want to find what x equals, and what y equals. Using substitution, I can say that x = __ and y.

Warm Up. Lesson 63: Solving Systems of Linear Equations by Elimination Expressions and Equations.

WARM UP. LESSON 9: EVALUATING AND COMPARING ALGEBRAIC EXPRESSIONS Expressions and Equations.

Bell Work9/25/14 Solve the equation. Solving Proportions 11/18/2015 Heading TSWBAT: solve a proportion. Students apply algebraic techniques to solve.

Warm Up. Lesson 66: Solving Inequalities The Number System.

Warm Up 1.14 is 2% of what number? is 13% of what number? 3. 30% of what number is 12? % of what number is 189?

CHAPTER 2: Linear Equations, Inequalities and Applications LESSON 2.2 FORMULAS OBJECTIVES:

WARM UP. LESSON 64, INVERSE VARIATION EXPRESSIONS AND EQUATIONS.

Holt CA Course Percent of Change Warm Up Warm Up California Standards Lesson Presentation Preview.

Percent Increase and Percent Decrease Problems. Percent Decrease A sofa regularly sells for $ Today it is on sale for $630. What is the percent.

WARM UP. LESSON 49, WRITING EQUATIONS IN SLOPE- INTERCEPT FORM Functions, Expressions and Equations.

Percent of Change Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Warm Up A ___________________ is a letter used to represent an unknown. Evaluate the expression

Markup and Discount 6.6. markup Markup = (% of markup) (store’s cost)

Lesson 3-7 Percent of Change. Definitions Percent of change- When an increase or decrease is expressed as a percent, the percent is a percent of change.

Lesson 6-7 Pages Using Percent Equations Lesson Check 6-6.

Find the percent of each number % of % of % of % of /18/11 Percent Today’s Plan: -Percent lesson.

Lesson 99, Solving Rational Equations Expressions and Equations.

Warm Up Solve % of what number is 6? 2. What percent of 20 is 8? 3. What is 80% of 60? is what percent of 200? 60 40% 48 Course Percent.

WARM UP. LESSON 81, SOLVING INEQUALITIES WITH VARIABLES ON BOTH SIDES Equations and Inequalities.

PERCENT OF CHANGE. WHAT IS THE PERCENT OF CHANGE? The amount stated as a percent that a number increases or decreases.

February 29, 2016 February 29, 2016 Warm-Up:. February 29, 2016 February 29, 2016 New Seats!

Lesson Topic: Commission, Discount, Sales Tax, Sale Price Standard: Solves practical problems using percents (e.g., sales tax, sale price and commission,

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

6-5 Percent of Change Warm Up Problem of the Day Lesson Presentation

Warm-up: Would you be willing to spend $120 to go see a performance?

Lesson 6.5 Percents of Increase and Decrease

Solving Systems of Equation by Substitution

Lesson Quizzes Standard Lesson Quiz

Learn to solve problems involving percent of change.

Solving Percent Problems

Unit 3A Expressions Lesson 2 Sequences

6-6 Percent of Change Warm Up Problem of the Day Lesson Presentation

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Calculating: Discount Prices

Presentation transcript:

WARM UP 1. A number that is part of 100 is the ______________ of the number is what percent of 80? 3. 20% of 40 is what number? 4. 7 is 5% of what number? is what percent of 80?

LESSON 47, SOLVING PROBLEMS INVOLVING THE PERCENT OF CHANGE EXPRESSIONS AND EQUATIONS

PERCENT OF CHANGE

EXAMPLE Find the percentage of increase or decrease from an original price of $35 to a new price of $49.

EXAMPLE 78 changes to 88. Find the percent of increase or decrease.

EXAMPLE The first 3 numbers in a sequence are 30,000, 12,000, and Use percent to describe the pattern of the sequence. List the next 2 terms.

EXAMPLE A holiday weekend sale advertised a 25% discount on a TV that regularly sells for $500. After the holiday weekend, the sale price was increased by 25%. The management said this should put the new price back to its original price of $500. Is the management correct? If not, which price is higher? Explain.

HOMEWORK QUESTIONS

CORRECTING HOMEWORK Be kind. Be diligent. Hold questions until the end. Make sure the paper in front of you is in black ink or pencil. Make sure the paper in front of you is complete and that work has been shown.

HOMEWORK 1 st and 2 nd hour: Lesson 47 # rd hour: Lesson 47 #1-15