Objective- To solve problems involving percent.

Slides:

Advertisements

Similar presentations

EXAMPLE 1 Finding a Sale Price You are shopping for a guitar and find one with an original price of $160. The store is offering a 30% discount on all guitars.

Advertisements

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

Ch. 5-7 Percent of change. Ch. 5-7 Vocabulary Percent of change: a ratio that compares the change in quantity to the original amount. Percent of increase:

Ratios * Of means to multiply Using percents  To calculate sales tax of an item, simply multiply the cost of the item by the tax rate.  Example: You.

Drill # A dripping faucet wastes 3 cups of water every 24 hours. How much water is wasted in a week?

Think-Pair-Shares Percent. What do you know about percents? Where have you seen them? 1.Determine who will be shoulder-partner A and shoulder-partner.

LET’S PLAY JEOPARDY!! Math Lingo Rates and Ratios Solving Proportions Decimals, Fractions, % Percent of a Number Q $100 Q $200 Q $300 Q $400 Q $500 Q.

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.

Lesson 7.7 Concept: How to solve problems involving discounts and sales tax. Guidelines: A discount is the difference between the original price and the.

USING PERCENTS AND CALCULATING PERCENT CHANGE Objectives: SWBAT do calculations using percents. SWBAT find percents of increase and decrease. SWBAT use.

Lesson 1-1 Example Example 1 Karen bought a dress that cost $32. She paid 7% in sales tax. How much did she pay in tax? 1.Write the percent proportion.

Lesson 27 Solving Percent Problems

Chapter 23 Review Adv. Math. Find the % of the number. 75% of 120.

Fundamental Counting Principle There are 10 digits… How many different ways can you create a 3 digit number if you cannot repeat?

Consumer Math Vocabulary.

Lesson 11 DAY 2. CLASS STARTER 30 % OF A NUMBER IS 57 WHAT PERCENT OF 60IS24 OF24%50.

PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount.

Sales Tax, Discounts, and Commissions Section 6.7.

7-7 Sales Tax and Discount. Discounts are like what that we have been talking about? What is a discount?

Then/Now You have already solved real-world problems using the percent proportions. (Lesson 7–3) Solve real-world problems involving markup and discount.

3-7 Percent of Change Objective: Students find percents of increase and decrease and solve problems involving percents of change. S. Calahan 2008.

Algebra 1 Notes 3.7 Percent of Change.

6.RP.3c Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the.

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

DO NOW Define: Markup: An increase from the wholesale price of an item to the retail price. Discount: A decrease from the original price of an item to.

MULTI-STEP RATIO PROBLEMS. METHODS FOR SOLVING FRACTION OFF SALES PROBLEMS: Method 1: Method 1: Draw a tape diagram. Method 2 Method 2 : Subtract the.

Bell Ringer Darius saw a shirt that was on sale for 20% off. The original price of the shirt was $28. If tax was 9%, how much did Darius pay for the shirt?

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

Lesson 7.6 Percent Applications Essential Question: How do you solve percent application problems?

Multiple Discounts This presentation was created following the Fair Use Guidelines for Educational Multimedia. Certain materials are included under the.

Do Now You buy a cell phone that is 20% off the original price of $129. Find the sale price.

1) Define the following: Perimeter Variable Ratio Term.

Lesson Menu Main Idea and New Vocabulary NGSSS Example 1:Find the Sale Price Example 2:Find the Selling Price Example 3:Find the Total Cost Five-Minute.

Splash Screen. Then/Now You have already solved real-world problems using the percent equations. (Lesson 7–5) Solve real-world problems involving markup.

Review  Find the solutions to the following problems… 1) 50 x.6 2) 20.4 x.2 3) 45.3 x 3.1 4) 53.2 x.25.

Chapter 5 & 6 Review Game Show Rates and Ratios Proportions.

Section % of what number is 75? 2. What percent of 25 is 4? 3. If you buy a shirt that was originally $45 but it is on clearance for 25% off,

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

Using Proportions to Solve Percent Problems MCC7.RP.3: Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest,

Problem Solving: Direct Translation Problems Involving Percent.

Ch 3.9 Objective: To solve problems involving percent.

Objective- To solve problems involving percent. Five types of problems - Simply translate what you read! 1) Ratio Conversions 6 out of 20 is what percent?

Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Chapter 5 Percent.

Problem Solving: Direct Translation Problems Involving Percent

Percent Proportions & Equations. A percent is a ratio that compares a number to 100. A commission is a percent of the amount of your sales. A percent.

Grade Lesson 14. Notes Lesson 15 Percent of Change.

Big Idea Many types of questions involving percents can be answered by solving an equation of the form ax = b Goal Solve three basic percent problems by.

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

Chapter 6 Review Game Show Percent of Increase/ Decrease.

“PERCENTS, PROPORTIONS, & PROBLEM SOLVING”

6 Chapter Chapter 2 Percent.

LET’S PLAY JEOPARDY!!.

Markup and Discount Notes

EXAMPLE 1 Finding a Sale Price

Ratios and Percents RP. 3..

Markup and Discount Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips. Objective:-Students.

5.6 Finding Percent of Change

Algebraic Definition of Subtraction a - b = a + -b

Problem of the Day Last week, you finished Level 2

2-7 Notes for Algebra 1 Percent of Change.

Main Idea and New Vocabulary Example 1: Find the Sale Price

Jeopardy Equations Absolutes Multi-step Conversions

Bellwork A pass at a water park is $58 at the beginning of the season. The cost of the pass decreases each month. 1. Each month 10% is taken off the.

Topic 3. Don’t you just love a good sale?

Percent is really a ratio that can be used as a conversion factor.

Shopping Spree Mark Manzo.

Chapter 6 Problem-Solving

Consumer Applications Review

UNIT SELF-TEST QUESTIONS

Module 1: Ratios and Proportional Relationships: Topic C: Ratios and Rates Involving Fractions

Presentation transcript:

Objective- To solve problems involving percent. Five types of problems - Simply translate what you read! 1) Ratio Conversions 6 out of 20 is what percent? = n% 0.3 = n% 30% = n

What percent of 3.5 is 0.84 ? n % 3.5 = 0.84 n % 3.5 = 0.84 3.5 3.5 n % = 0.24 n = 24 %

2) Percent of a Number 112% of 650 is what number? 1.12 650 = n 728 = n 7 % of what number is 31.5? 0.07 n = 31.5 0.07 n = 31.5 0.07 0.07 n = 450

3) Percent Change From $75 to $83

The tax on a $44 sweater was $3.63. Find the tax rate.

4) Discount/ Mark-up - New Price? $ 85 discounted 20% (1.00 - 0.20)(85) 85 - 0.20 (85) 0.80 (85) 85 - 17 $ 68 $ 68

5) Discount/ Mark-up - Original Price? After a 30% mark-up, a shirt was $33.80. What was the original price? Let x = original price x + 0.30x = 33.80 1.30x = 33.80 1.30 1.30 x = 26 $ 26.00