find the discount
find the sales tax
sales tax and discounts
100
20% off $17.99 Step #1. decimal X original price Step #2. subtract the discount from the original amount
answers: $14.39
100

$13.78 and 5% tax

$0.69

100
When you find a discount do you add, subtract, multiply or divide?
subtract
200
40% off $ 7.25 Step # 1 multiply Step # 2 subtract (remember to line up the decimals)
$4.35
200

$53.00 and 6% tax

$3.18

200
when you find sales tax do you add, subtract, multiply or divide the original price?\\hint: step # 2
add
300
10% of $358.79
$ 322.91
300

$18.45 and 4.5% tax

$0.83

300
Explain how to find where the decimal goes when you are multiplying a number like 3.2 X 2.5 =
There are 2 places (numbers) behind the decimal in the problems, so you move the decimal 2 places to the left in your answer.
400
5% off $16.70
$15.86
400

$22.65 and 7% tax

$1.59

400
When adding or subtracting decimals what must you do before you fill in the numbers? Hint: like buttons on a shirt
line up the decimals
500
80% off $ 9.95
$ 1.99
500

Charlene's lunch bill was $18.70. Estimate the total cost for lunch with 5% tax and a 15% tip.

$22.58

500
double jeopardy worth double points What must you do for all of your problems on tonight's homework for full credit?
SHOW YOUR WORK
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