Transcript Solving problems involving discounts at sales, interest earned, and

Consumer Math Review
Solving problems involving
discounts, sales prices and sales
tax.
Number Sense 7.4 Students will solve
single step and multi-step practical
problems, using proportional reasoning.
Objective: Students will find the discount and
sale price of an item and find the tax and total price
of an item after taxes.
The object of the game:
• Review consumer applications and be a
savvy shopper!
• Solve the math problem.
• Find your answer in one of the boxes. Put
the problem number in the answer box on
your paper.
• Last station--Check your Practice Unit 9
Test homework Write % correct and list
the problem numbers we should go over.
$239.19
$0.60
$50.00 $189.99
$2.94
$3.60
$165.35 $51.94
$149.99 $10.60 $157.49
$9.20
$71.20
$48.60
$0.74
$17.80
Hollister Shirt $10
The tax is 6%
• 1. How much would
you spend on
taxes for this shirt?
_________________
• 2. What would be
the total cost of
this shirt?
• _______________
$45.00 iPod shuffle 1GB
tax rate = 8%
3. What will the
sales tax be if you
purchase this item?
___________
4. What will the
total price be if you
purchase this item?
___________
E-matic 4GB Video MP3 Player with 2.4"
Screen, Camera and Video Recorder $49.00
Tax rate 6%
• 5. What will be the
total of the state
sales tax?
• ____________
• 6. What will be the
total price of the
MP3 Player after
the state tax of 6%
is applied?
• _______________
7. If this Tony Romo Jersey was 20% off, what
would the discount be? ___________
8. What would be the sale price?____________
Tony
Romo
Jersey
$89
Xbox 360 for $199.99
• The Discount is 25%
• 9. What is the
discount?_________
• 10. What is the price
after the discount?
__________________
• 11. What is the price
after the discount
and after 5% taxes?
• ________________
Ipod Touch for $229.99
• The tax rate is 4%
• 12. What is the
tax?__________
• 13. What is the
total price after
taxes?_________
St. Croix Avid Series
Fly Rods
14. Purchase this Fly
Fishing Rod for
20% off $237.49!
• The sale price is
_____________
15. You had a tasty
dinner for $14.80.
• The 5% sales tax
on your meal at
Appleby’s will
be___________
One of your answer blocks should not have been used.
Now check your answers to the Practice Unit 9 Test.
Write on your answer paper ---the amount of correct questions out of 22
questions total.
X correct = x%
Calculate your percentage correct.
22
100
1) A 2)D 3)C 4)D 5) C 6)D 7)D 8)B 9) B 10)C 11)B 12) B 13) B 14)A 15)C
16)C 17) D 18)A 19) B 20)B 21)A
22) Mental Math
1%= 1/100 --divide by 100 or move the decimal 2 places to the left
5% = 1/20 -- divide by 20 or do the 10% move 1 left and cut the answer in half
10%= 1/10 --divide by 10 or move the decimal 1 place to the left
12.5% = 1/8 ---divide by 8
20% =1/5 –divide by 5 or do the 10% move 1 place left and double your answer
33 1/3% =1/3 –divide by 3
50%= ½--divide by 2
List the problem numbers that you need us to
review with you.