7th Math Unit 1 Day 14 Reteach - 4/9

Last updated over 1 year ago
8 questions
Objective and Summary:
SWBAT solve discount problems by using both visual and arithmetic solutions
1

MPPP, Part 2--Ms. Paul's Pantalones Palace also sells jeans. The True Blue jeans usually sell for $33, but the Fall Sale has all pants for \frac{1}{3} off the original price.

Use both a visual and arithmetic model to find the final discounted price of a pair of True Blue jeans.
**You must use the Formative SYW.**

"The final price of True Blue jeans is..."

CFS:
#1: Accurately creates an appropriate visual support
#2: Accurately calculates markdown and final price

1

Shirts, Too!—Ms. Paul also has shirts at discounted prices during this Fall Sale. Shirts are usually $15, but are half off for the sale. How much would you pay for a shirt during the sale?

Use both a visual and arithmetic model to find the final discounted price of a pair of True Blue jeans.
**You must use the Formative SYW.**

"The final price of True Blue jeans is..."

CFS:
#1: Accurately creates an appropriate visual support
#2: Accurately calculates markdown and final price

1

Competition--Mancini Mart is holding a sale to get more customers as well. Everything is \frac{1}{4}
off the original price.

How much would a $96 pair of Air Mancinis™ cost after the discount? Draw your visual and show calculations for full credit.
**You must use the Formative SYW.**

"A pair of Air Mancinis would cost..."

CFS:
#1: Uses an appropriate visual support
#2: Accurately calculates markdown and final price

MEDIUM Problems
1

Mix-Up—Javier says that a store overcharged him on the price of the video game he bought. He thought that the price was marked 1/4 of the original price, but it was really 1/4 off the original price. He misread the advertisement.

a. If the original price of the game was $50, what is the difference between the price that Javier thought he should pay and the price that the store charged him?
**You must use the Formative SYW.**

(You may get fractions/decimals and that's okay!)

"The final price of the khaki pants..."

CFS:
#1: Uses an appropriate visual support
#2: Accurately calculates markdown and final price

1

Huge Discounts--On Friday only, Kohl's has a discount on all fashion items for \frac{2}{5}
off the original price.

Some Prize-approved khaki pants are normally $36. What would the final price be after taking \frac{2}{5}
off?
**You must use the Formative SYW.**

(You may get fractions/decimals and that's okay!)

"The final price of the khaki pants..."

CFS:
#1: Uses an appropriate visual support
#2: Accurately calculates markdown and final price

1

Concert--Mr. V will be singing at the SAP Center in October. Mr. Thomas bought a ticket the day they came out for $25.

Mr. Thomas decides that he can make a lot of money by selling the ticket at a higher price (markup).
He marks it up by 1/4 of the original price he paid and sells it to Mr. Espinoza.

a. What is the final price Mr. Espinoza paid? Use a visual to find the higher price.

1

Concert--Mr. V will be singing at the SAP Center in October. Mr. Thomas bought a ticket the day they came out for $25.

Mr. Thomas decides that he can make a lot of money by selling the ticket at a higher price (markup).
He marks it up by 1/4 of the original price he paid and sells it to Mr. Espinoza.

b. What was Mr. Thomas’ profit (how much money he made)?

4

Video Games--Math Stop has sales on a variety of math-related video games.
This week only, the videogame Modern Mathematicians 2 is being sold for \frac{1}{3}
off its original $327 price. What is the final (discounted) sales price?

CFS:
#1: Uses an appropriate visual support
#2: Accurately calculates markdown and final price


**Draw your visual and show any calculations for full credit**

If you have extra time, you can draw cover art for Modern Mathematicians 2.

Decimals to Fractions

Percent Discount
Percent Discount II