Applications of Percent

Slides:

Advertisements

Similar presentations

7-7 Applying Percents Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Advertisements

Simple Interest. is money added onto the original amount saved (earned) or borrowed (charged). Simple Interest.

Simple Interest I =Prt I = Interest P = Principle r = rate t = time

Percent of Increase & Decrease

Warm Up 1. What is 35 increased by 8%? 37.8 Course More Applications of Percents.

Simple Interest 21.6 Vocabulary Principal = the original amount of money that is saved or borrowed. Simple interest = a fixed percent of the principal.

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.

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.

7 th Grade Math Ms. Richardson.  Before, we answered all types of percent questions using proportions.  However, when you are finding the percent of.

Percent Discount and Markup

Discount, Tax and Tip Percent Applications by Mrs. Fredericks

SIMPLE INTEREST Interest is the amount paid for the use of money.

Finding a percent of a number Textbook pages

#23. Sales tax is an amount added to the price of an item. sales tax = price sales tax rate total cost = price + sales tax Sales tax A tip is an amount.

Discounts, Tips, and Sales Tax

Applications of Percents

Slide 1 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Percent and Problem Solving: Interest Section7.6.

Applications of Percent

Estimating With Percents Lesson 6-8. Sales Tax Round the cost of a given item to the nearest dollar. Multiply that estimate by the decimal version of.

How do you compute successive percents? For example: Eli bought a computer that was on sale for 30% off its original price of $500. Eli also used a coupon.

Percents A Percent is a ratio that compares a number to 100. The symbol for percent is %. You can write percents as fractions and decimals. 36% as a decimal.

Bell Work: Tax and Tip! Your bill is $ What is your total after you leave a 20% tip and pay 5% tax? Method 2 Multiply the price by 125% since.

Bell Work Discount/Markup Sale Price $6 shirt 20% off _______ _______

Do Now 4/12/11 Take out HW from last night. Take out HW from last night.  Text p. 365, #8-16 evens and #15 Copy HW in your planner. Copy HW in your planner.

Using Percents to Solve Problems

Do Now 4/23/10 Take out HW from last night. Take out HW from last night. Practice worksheet 7.6 odds Practice worksheet 7.6 odds Copy HW in your planner.

Using Percents 7-10 Warm Up Problem of the Day Lesson Presentation

Pre-Algebra 8.6 and 8.7 Applications of Percents.

2 1 3 Warm-Up 21-1 NS 1.3, 1.6, Warm-Up 21-2 NS 1.3, 1.6, 1.7.

Warm up Page TN 36 #2.

Why??  Percents are all around us! Sales and discounts shopping Sales Tax Income Taxes Tips on restaurant bills Etc…  When doing problems with % remember.

SIMPLE INTEREST Simple interest is the amount paid for the use of money.

Lesson 5-8 Simple Interest.

Using Percents Part 2.

Finding a percent of a number Textbook January 13 th 14 th, 15 th, 16th.

Changing forms Basic % problems % Change % Applications Interest Final Jeopardy.

Do Now 2/21/12 Take out HW from last night. Take out HW from last night. Text p. 248, #7-16, 19 & 20 Text p. 248, #7-16, 19 & 20 Copy HW in your planner.

2/6/14 “Interest offers” You take out a loan for $20,000 for college. Federal government offers you an interest rate of 4.6%. Bank of America offers you.

8-10 Using Percents Course 1 Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day.

Do Now 2/29/12 Take out HW from last night. Take out HW from last night. Practice worksheet #6.5 & Punchline worksheet #96 Practice worksheet #6.5 & Punchline.

Reminder : animation video sales tax. Show at end of lesson.

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

Tax, tip, and Markup Notes and examples.

Using Percent. Warm-up: Get a calculator Find the percent of each number. 1)25% of 200 2)22% of 40 3)63% of 89 4)112% of 24 5)Jenny sold 380 boxes of.

PERCENT INCREASES. NS 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interests earned, and tips. Today’s.

Simple Interest. Simple Interest – * the amount of money you must pay back for borrowing money from a bank or on a credit card or * the amount of money.

Simple Interest Formula I = PRT. I = interest earned (amount of money the bank pays you) P = Principle amount invested or borrowed. R = Interest Rate.

THISIS With Host... Your Percents and Fractions Percent Applications Percents and Decimals Percent Equation Percent of Change Simple.

Topic 2 Proportional Reasoning with Percents Percent of a Number To find the percent of a number, you can: write the percent as a fraction and.

Reminder : animation video sales tax. Show at end of lesson.

7-7 Applying Percents Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Discount, Tax and Tip. Warm Up 1). Mary bought 36 pieces of fruit at the store. If 25% of the fruit was apples, how many apples did she buy? 2). Ken won.

Challenging… Interest Rates and Savings By: Nicole Sandal.

REVIEW Unit 3B Percent 7 th Grade Math. Question #1  At Walmart, 36 iPads were sold in January. The manager at the store wants to encourage the sales.

Simple and Compound Interest Unit 4 - Investing. Determining Simple Interest I = p * r * t Interest = Principle X Rate X Time ( in years)

Estimating With Percents Lesson 6-8. Sales Tax Round the cost of a given item to the nearest dollar. Multiply that estimate by the decimal version of.

Percent Applications Sales Tax Tips Interest. is determined by finding a certain percentage of a purchase price. It is added to your total bill when you.

Applications of Percent

Warm-up What is 35 increased by 8%? What is the percent of decrease from 144 to 120? What is 1500 decreased by 75%? What is the percent of increase from.

Warm Up 1. Write 0.03 as a percent. 2. Write as a decimal.

EXAMPLE 1 Finding a Sale Price

Discount, sale price, tax, Tip

Using Percents 7-10 Warm Up Problem of the Day Lesson Presentation

Tax, Tip, Commission SB 11-2 Pages

Goal: The learner will multiply to find a percent of a number.

Problem Solving with Proportional Relationships

Presentation transcript:

Applications of Percent

Warm Up 5% of $30 = 2. 15% of $70 = 0.4% of $100 = 4. 150% of $22 =

Sales tax, tip, and a markup are all calculated by changing the percent to a decimal and then multiplying that decimal by the original amount. Total cost can then be found by adding this product to the original amount. Simple interest is found by multiplying the percent, written as a decimal, times the original amount times the time in years. Total saved or borrowed can then be found by adding this product to the original amount, or principal.

Simple Interest Earned Franklin and Jose both have a plan to save money. Complete the table to determine whose plan will earn the most interest. Franklin’s Plan Jose’s Plan Amount Deposited $200.00 $225.00 Rate 3% 2.5% Time (in years) 3 4 Simple Interest Earned

Ariana buys an ant farm from a store near her home Ariana buys an ant farm from a store near her home. The ant farm’s price is $12.00, and the sales tax is 7%. What is the total price of the ant farm?

Quincy deposits $400.00 in a new bank account that earns 4% simple interest per year. What is the total amount in the account after 3 years?

Cabrini goes out for dinner, and the price of her meal is $18. 00 Cabrini goes out for dinner, and the price of her meal is $18.00. The sales tax on the meal is 6%, and she also wants to leave a 20% tip. What is the total price of the meal?

Exit Ticket Find the indicated percent. 6% of $120.00 2. 0.5% of $44.00 Jonah’s restaurant bill comes to $25.65, and he leaves a 15% tip. What is Jonah’s total restaurant bill? Alicia borrowed $3,000.00 from the bank at a rate of 12% simple interest per year. How much interest did she pay in 4 years? Nikos finds a toy train set on sale for 20% off at a toy store. The original price was $35.00. Nikos must also pay 6.5% sales tax. What is the total amount Nikos must pay for the train set?