thursday, december 9 no homework due today fill in planner: today’s assignment is practice 6-...
TRANSCRIPT
Thursday, December 9• No homework due today • Fill in planner: Today’s assignment is Practice 6-
8/6-9– Test will be on Wednesday, December 15 (Gold) or
Thursday, December 16 (Blue)• Bell Work
1. What is 25% of 38?2. 42 is 10% of what number3. What is 8% of 48?4. 300 is 90% of what number?
5.9
42084.3
84.3
Today’s Objective
• By the end of class today, SWBAT– find percent of increase– find percent of decrease– find markups – find discounts
Vocabulary
The percent a quantity increases or decreases from its original amount.
Example
6.9 8 6.1
amount of increase
original amount
6.1
8
2.0
20
%20
Your Turn
Example
5.22 5.7 15amount of increase
original amount
15
5.72
200
%200
Your Turn
Example
1250 1120 130amount of decrease
original amount
1301250104.04.10
%4.10
Your Turn
Vocabulary
The amount a store increases the price of merchandise
The percent of the store’s markupThe amount a store decreases the price of merchandise
The percent of the store’s discount
Example
%20 25.1
2.0 25.1
25.0
25.0$
Your Turn
Example
50.4 45.0 03.2
03.2 53.6 markup selling price
53.6$
Your Turn
Example
210percent of discount regular price
3.
63
00.63$
Your Turn
Example
2.percent of discount regular price
95.39
99.7regular price discount
99.796.31
96.31$
Example
100 20
%80
8.0
96.31
96.31$
Your Turn!