Percent
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Date:_
Percent is a ratio that compares a number to 100. Some examples of percents are
shown below:
He received 75% on his test.
There is a 30% chance it will rain today.
She paid 1.9% financing on a car loan.
Expressing a Percent as a Frac

Applications of Percent
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Example
Calculate the total cost of a $24.99 shirt including HST.
Solution
In Ontario, we pay harmonized sales tax or HST. HST is 13%.
HST
= 13% of 24.99
= (0.13)(24.99)
= 3.2487
= $3.25
Total cost = 24.99 + 3.25
= $2

Curve of Best Fit Note
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Sometimes the data does not lie along a line but along a curve. In this case, a curve of
best fit is used.
The data below shows the number of Internet Hosts (in the millions) around the world
since 1992.
Year
Internet

MFM1P
Name: _
Kiss Our Classes Goodbye!
Your class is planning a trip to an attraction in Winnipeg, Manitoba. Use the information below to
help make some decisions about where you are going; how you will get there and how long, you
will stay.
Admission to

Ratios Note
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A ratio is a comparison of two or more quantities.
The ratio of students to computers in a school is 5 to1.
Suppose a day-care centre must maintain a certain ratio of 1:10 of staff to children.
A recipe for punch calls for a rati

Solving Proportions Note
Any two or more ratios that simplify to the same lowest terms are equivalent ratios.
1 : 2 , 2 : 4 and 3 : 6 are all equivalent ratios
2 : 4 = =1 : 2
3:6= =1:2
Example
Show that 12 : 16 and 60 : 80 are equivalent ratios.
Solution

Scatter Plots Note
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A scatter plot is a graph of data that is a series of points.
Example
The graph below is data collected from students studying for a test. It is an example of a
scatter plot.
1.
Use the scatter plot above to answer the fol

Percents
/21 marks
Name:_
Date:_
1. Allan bought a toque that was marked down 30%.
a) The original price was $18.99. What is the sale price? (2 marks)
b) What will Allan pay for the toque, including 15% taxes? (2 marks)
2.
(3 marks)
3. A gardeners 120-m2

Geometry Assignment
Name:_
Date:_
Multiple Choice
Identify the choice that best completes the statement or answers the question.
_
1. Determine the measure of the unknown angle.
B
70
55
A
C
a. 75
_
b. 125
c. 55
d. 35
c. 11
d. 121
c. 40
d. 70
2. Determine

Ratios in Lowest Terms Note
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Date:_
A ratio in its simplest form is referred to as being in lowest terms.
Example
Express 6:4 as a ratio in lowest terms.
Solution
6:4= =3:2
Example
Using the letters below, write the ratio of A : B in lowest terms.
A

MFM1P
Name : _
Perimeter and Area Problems
1. Determine the Perimeter and Area of Each Figure
1. Queen Elizabeth District High School has an area of 48m2
a. The width of the building 6 m. What is the length of the building?
b. If the length of the buildin

Line of Best Fit Note
Name:_
Date:_
The scatter plot below shows winning times for the mens100 m between 1981 and
1995.
a.
What year was the winning time 11.2 s? _
b.
What was the winning time in 1983? _
c. Decide if the data show a relationship. If they