Post on 26-Sep-2020
IC: Estimating Percents MM ☺HW: Do Missing Work
Test on Tuesday
Materials
Write the IC and HW in your planner.
Friday, 1/31/20
• HW due = “Percent Of” vs. “Percent Increase” Wkst
• Math folder
• Slate, marker, eraser
• Planner, pencil
Solve the following:
1) What is 10% of 98.76?
2) 10% of 1.7 is what number?
3) 53.24 is what percent of 532.4?
As the numbers start to come in…please write down what you think
the pattern is. If you want to change an answer DO NOT ERASE,
cross it out and write a different pattern below.
50 5
130 13
165 16.5
4 0.4
19.4 1.94
6.97 0.697
?100% 10%
Let’s figure out how to tip!
We are going to start with whole dollar amounts to
get started…
Let’s say the bill comes to exactly $20
100%
Service was OK, but not spectacular.
20 10% 2
15%
?+ 5% + 13
Bill = $20 15% tip = $3 Meal total = $23
Same meal, but this time…
Your waiter or waitress was stellar!
Let’s say the bill comes to exactly $20
100%
This time we would leave a 20% tip!
20 10% 2
20%
?+ 10% + 24
Bill = $20 20% tip = $4 Meal total = $24
Let’s figure out how to tip!
Your receipt says $45.65
100%
Service was OK, but not spectacular.
46.0010% 4.60
15%
?+ 5% + 2.30
6.90
Bill = $45.65 15% tip = $6.90 Meal total = $52.65
45.65
Round to make it a
little easier
≈ 46.00
≈ $7.00
100% 46.0010% 4.60
20%
?+ 10% + 4.60
9.20
Bill = $45.65 20% tip = $9.20 Meal total = $54.65
45.65
Round to make it a
little easier
≈ 46.00
≈ $9.00
Same meal, but this time…
Your waiter or waitress was
stupendous!
Total before tax
Sales tax
This is what you
tip on…
10%
+ 5%
10%
+ 10%
Total cost:
Total cost:
Total before tax
Sales tax
This is what you
tip on…
10%
+ 5%
10%
+ 10%
Total cost:
Total cost:
Gratuity means that they have
already tipped the wait staff
18% which is included in the
total.
This means DON’T TIP UNLESS
YOU WANT TO LEAVE A REALLY
BIG TIP!
10%
+ 5%
Total cost:
10%
+10%
Total cost:
10%
+ 5%
Total cost:
10%
+10%
Total cost:
Based on the tip do you think it
was good service or not good
service? Explain.
_________________________
_________________________
_________________________
_________________________
10%
+ 5%
Total cost:
10%
+10%
Total cost: