sales tax and discounts
Post on 25-Feb-2016
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Sales Tax and DiscountsNS3. Add, subtract, multiply and divide multi-digit decimals using the standard
algorithm for each operation
10% off means for every dollar (100 cents) you spend, you subtract 10% of $1 which is 10
cents.
10% OFF15% off means for every dollar you spend, you subtract 15% of $1 which is 15
cents.
15% OFF20% off means for every dollar you
spend, you subtract 20% of $1 which is 20
cents.
20% OFF
10% of $1 = $0.10
10% of $2 = $0.20
10% of $3 = $0.30
15% of $1 = $0.15
15% of $2 = $0.30
15% of $3 = $0.45
20% of $1 = $0.20
20% of $2 = $0.40
20% of $3 = $0.60
Let’s PracticeFold a piece of paper in half two times to give you 4 work spaces on both sides. Pick 8 items. Label each step below for each problem in the workspace provided.For each of the following sale items you pick:
1. Calculate the discount2. Find the new sale price3. Find the 7% sales tax4. Get the total price
15% OFF
7.99 1.19 6.80
Subtract 15% discount from the sale price
$6.80 New price with 15% discount
6.8 .07
$0.476 Sales Tax
7.99 .15 1.1985
Extra 15% discount
6.80 0.48
$7.28Add Sales Tax
Final price
Find the Sales Tax
Ice cream maker
10.99 1.64 9.35
Subtract 15% discount from the sale price
$9.35 New price with 15% discount
9.35 .07$0.6545 Sales Tax
10.99 .15 1.6485
Extra 15% discount
9.35 0.65
$10.00Add Sales Tax
Final price
Find the Sales Tax
H₂0 Bottles
25% OFF
70.97 17.74 53.23
Subtract 25% discount from the sale price
$53.23 New price with 25% discount
53.23 .07$3.7261 Sales Tax
70.97 .25
17.7425Extra 25% discount
53.23 3.73
$56.96Add Sales Tax
Final price
Find the Sales Tax
PC Lamp
20% OFF
7.99 1.59 6.40
Subtract 20% discount from the sale price
$6.40 New price with 20% discount
6.4 .07
$0.448 Sales Tax
7.99 .2
1.598Extra 20% discount
6.40 0.45
$6.85Add Sales Tax
Final price
Find the Sales Tax
Girls Shirt
16.00 3.20 12.80
Subtract 20% discount from the sale price
$12.80 New price with 20% discount
12.8 .07
$0.896 Sales Tax
16 .2
3.2Extra 20% discount
12.80 0.90 $13.70
Add Sales Tax
Final price
Find the Sales Tax
Boys Shirt
19.99 3.99 16.00
Subtract 20% discount from the sale price
$16.00 New price with 20% discount
16 .07
$1.12 Sales Tax
19.99 .2
3.998Extra 20% discount
16.00 1.12 $17.12
Add Sales Tax
Final price
Find the Sales Tax
Mack Monkey
16.99 3.39 13.60
Subtract 20% discount from the sale price
$13.60 New price with 20% discount
13.6 .07
$0.952 Sales Tax
16.99 .2
3.398Extra 20% discount
13.60 0.95 $1 4.55
Add Sales Tax
Final price
Find the Sales Tax
Volcano Kit
26.99 5.39 21.60
Subtract 20% discount from the sale price
$21.60 New price with 20% discount
21.6 .07
$1.512 Sales Tax
26.99 .2
5.398Extra 20% discount
21.60 1.51 $23.11
Add Sales Tax
Final price
Find the Sales Tax
Tie Dye machine
49.99 9.99 40.00
Subtract 20% discount from the sale price
$40.00 New price with 20% discount
40 .07
$2.80 Sales Tax
49.99 .2
9.998Extra 20% discount
40.00 2.80 $42.80
Add Sales Tax
Final price
Find the Sales Tax
Soccer Goal
139.99 27.99
112.00
Subtract 20% discount from the sale price
$112.00 New price with 20% discount
112 .07
$7.84 Sales Tax
139.99 .2
27.998Extra 20% discount
112.00 7.84 $119.84
Add Sales Tax
Final price
Find the Sales Tax
Electric Guitar
10% OFF
269.99 26.99 243.00
Subtract 10% discount from the sale price
$243.00 New price with 10% discount
243.00 .07
$17.0100 Sales Tax
269.99 .10 26.9990
Extra 10% discount
243.0017.01
$260.01Add Sales Tax
Final price
Find the Sales Tax
Arc Lamp
229.99 22.99 207.00
Subtract 10% discount from the sale price
$207.00 New price with 10% discount
207 .07$14.49 Sales Tax
229.99 .10 22.9990
Extra 10% discount
207.0014.49 $221.49
Add Sales Tax
Final price
Find the Sales Tax
Maui Lamp
174.99 17.49 157.50
Subtract 10% discount from the sale price
$157.50 New price with 10% discount
157.50 .07$11.0250 Sales Tax
174.99 .1 17.499
Extra 10% discount
157.5011.03 $168.53
Add Sales Tax
Final price
Find the Sales Tax
Blue Gem Lamp
219.99 21.99 198.00
Subtract 10% discount from the sale price
$198 New price with 10% discount
198 .07
$13.86 Sales Tax
219.99 .1 21.999
Extra 10% discount
198.0013.86 $211.86
Add Sales Tax
Final price
Find the Sales Tax
Tiffany Lamp
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