Representing Percents with Models

Percents and Graphs

Objective: You will be able to solve conversions, shopping bills, locate, state points and sequences.

​Conversions- Percents to Decimals

• ​To convert a percentage to a decimal, drop the percentage sign, divide by 100 (move the decimal point two places to the left).

Multiple Choice

Make the percent to decimal.
7%

• .007
• 0.07
• 7
• 70

Multiple Choice

Make the percent to decimal.
142%

• 1.42
• 14.2
• 142.
• 0.142

Multiple Choice

Make the percent to decimal.
0.32%

• 32
• 0.32
• 3.2
• 0.0032

Multiple Choice

To change the percent into a decimal you must...

• Move the decimal to the left two spaces
• Move the decimal to the right two spaces
• Keep the decimal where it is
• Multiply the number by 10

​Conversions-Percent to Fractions

• ​To convert a percentage to a fraction, drop the percentage sign, put the percentage over 100. Reduce if necessary.

Multiple Choice

Write the percent as a fraction in simplest form.

• 9/10
• 90/100
• 9/100
• 9/1000

Multiple Choice

Change to fraction

64%

• 64/100

• 32/50

• 64/50

Multiple Choice

What is the fraction equivalent of 40%?

• 4/100
• 40/100
• 4/10

Multiple Choice

What is the fraction equivalent of 40% in simplest form?

• 4/100
• 2/5
• 40/100
• 4/10

​Finding the Percentage of a Quantity

Multiple Choice

What is 30% of 450?

• 30

• 135

• 450

• 100

Multiple Choice

Mrs. Adele is buying a new tie from Macy's. It says the tie costs $15.00 but there is a sign above it that says 25% off. How much will the tie cost before taxes?

• $3.75
• $18.75
• $15.25
• $11.25

Multiple Choice

Sam bought an $85.00 jacket for 40% off of the regular price.  How much did he pay for the jacket? 

• 75
• 51
• 36
• 34

Multiple Choice

Daniel has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, he wants to leave a 20% tip. What is his total bill including tip?

• 33.60

• 40.00

• 24.60

• 30.50

Draw

Solve

Multiple Choice

The vertical axis of a line graph is called the __________.

• slope

• line of best fit

• x-axis

• y-axis

Multiple Choice

The horizontal axis of a line graph is called the __________.

• slope

• line of best fit

• x-axis

• y-axis

Multiple Choice

What is the x-coordinate for the ordered pair (3,4)

• 3

• 4

• 7

• 1

Multiple Choice

• 1,10
• 10,1

Multiple Choice

What is the ordered pair for point C?

• (2, 2)

• (2,5)

• (5, 2)

• (5,5)

Multiple Choice

What is Coordinate N?

• (7,6)
• (5,5)
• (6,6)
• (7,7)

Fill in the Blanks

Draw

Plot, label and join the following points to form a quadrilateral.

H (-4,0) I (-3,2) J (-1,0) K (-3,-3)

Open Ended

Is there any topic from today's class that you would like me to review?