Tuesday, January 10th

• Please complete warm up Please have homework out (Finding percent worksheet)

WARM UP1. 30% of 12 is what number?

2. 6 is %4 of what number?

Corny Joke of the Day

Why did the teacher have to wear sunglasses to

school?

Her students were too BRIGHT

What? Checkpoint #1 Similar figures

Indirect measurement

When? TODAYYYYYYYY

Week Schedule □Monday: Review and Checkpoint

HW Weekly Review □Tuesday: Sales Tax, Discount, and Tip

Notes HW Worksheet

□Wednesday: CW Project HW Study Guide

□Thursday: Review Activities HW Study

□Friday: TEST #1

FlashcardsFraction to decimalDecimal to fractionDecimal to percentFraction to percent

Fraction to Decimal

65 Rule:

Decimal to Fraction

32.Rule:

Decimal to Percent

23.Rule:

Fraction to Percent

43 Rule:

Weekly Review Due Friday!

Remember to show your work on a separate sheet of paper

Fill in the missing pieces!

?? 100

percent

What did Tigger do wrong?8 is 40% of what

number?40

8 100x

320 1003.2

xx

Practice problems □4% of 60 is what number?□Write 101% as a decimal □Write .256 as a percent □4 is 30% of what number?

Checkpoint □Please put your name on it

□ Make sure to READ each question carefully

□ Be sure to show your work

□Put in front bin when finished

□Complete Weekly Review

Do you ever wonder what deal is better?

Example: 40% off a $24.50 sweater

Or The same sweater 20% off but it’s

$32.25

Knowing how to Use percents can

help you!

Using Percents in the Real World

Percentages are commonly used in everyday life. When you pay for something, whether it is a product or a service, percents are almost always involved. Most often percents are used to calculate discounts, tips, and sales tax.

Common Uses of PercentsDiscounts A discount is an amount that is

subtracted from the regular price of an item. discount = price • discount rate total cost = price – discount

Tips A tip is an amount added to a bill for service. tip = bill • tip rate total cost = bill + tip

Sales tax Sales tax is an amount added to the price of an item.

sales tax = price • sales tax rate total cost = price + sales tax

DiscountsPay Less!

American Eagle is having a 10% off sale. If Chandler wants to buy a sweater whose regular

price is $30.50, about how much will she pay for the sweater after the discount?

Step 1: Find 10% of 30.50

30.50(.10) = 3.50Discount = $3.05

Step 2: subtract discount from original price.

30.50 – 3.05 = 27.45

Sales Tax

Pay More!

Elly is buying a dog bed for $40.00. The sales tax rate is 7%.

About how much will the total cost of the dog bed be?

Step 1: Find 7% of 40.00

40(.07)=2.80

Step 2: Add to total bill to find the amount he paid!

40 + 2.80 = $42.80

TipsPay

More!

Joseph’s dinner bill from Longhorns is $17.85. He wants to leave a tip that is 15% of the bill. About how much should his tip be? How much will he

have to pay total?Step 1: Find 15% of 17.85

17.85(.15) = 2.68

Step 2: Add to total bill to find the amount he paid

2.68 + 17.85 = $20.83

Let’s Try

Together!

Problem #1About how much do you save if a book whose regular price is $25.00 and is on

sale for 10% off?

Problem #2Julie gets a 15% discount on all of the items in the clothing store where she

works. If she buys a shirt that regularly costs $44.99, how much money will

she save with her employee discount?

Problem #3A bead store has a sign that reads

“20% off the regular price.” If Janice wants to buy beads that regularly cost $6.00,how much will she pay for them

after the store’s discount?

Problem #4At Paint City, a gallon of paint with a regular price of $17.99 is now 15% off. At Giant Hardware, the same paint usually costs $21.99, but is now 20% off. Which store is offering the better deal?