Function
Discount
Integers
Decimal & Percent
Tax
100

An in-out box is called ___________

a. Fraction Table

b. Function Table

c. Percent Table

B

100

The amount of discount on a $100 item with a 25% discount.

$25.00

100

+5 + (+17)

+22

100

It is usually easier to compare amounts in % than in fractions.

YES

100

Which is the sales tax % in California?

a. 8 %

b. 9 %

c. 9.25 %

c. 9.25 %

200

In                 Out

2                   11

3                   12

5                   ?

Rule: Add 9

14

200

The amount of discount when Mike bought a $990 computer with a 30% discount.

$297

200

+5 - (+9)

-4

200

An item costs $100. If it is at 7 % discount, simple subtract $100 and 7 % to get the final price ($93).

NO

200

How much is the tax?

Price of an item: $85

Tax: 10 %

$8.50

300

In                  Out

-5                    0

-2                   +3

-1                   ??

Rule: add 5

+4

300

This is the sale price for an item regularly $65 with a 15% discount.

$55.25

300

-7 - (-3)

-4

300

35% of 90?

31.5

300

How much is the tax?

Price of an item: $90

Tax: 9.25%


$8.325

400

x                     y

-2                    8

-1                    9

0                     ??

10

400

This is the final price for an item costing $85.50 with a 20% discount.

 $68.40

400

+5 x (-7)

-35

400

Which is more, 5/8 and 30/48?

The same

400

Find the final price:

Price of an object: $80

Tax: 9 %

$87.20

500

x                         y

3                         7

4                         9

5                         ??

11

500

The percent of discount on an item that was $200 and is now $100.


20% 25% 33% 50%

50 %

500

(-3.5) x (+2.5)

8.75
500

Which is more, 5/6 or 70/100 ?

5/6= 83%

500

Find the final price:

Price of an item: $25.99

Tax: 9.25 %

$28.39