1. Unit 2 Marketing Math

2. Unit 2 Vocabulary Bar Graph Circle Graph Decimal Number Denominator
Digits
Fractions
Line Graph
Mixed Number
Numerator
Percent
Pie Chart

3. Unit 2 Essential Question
How do you perform basic mathematical computations using fractions, percents, and decimals and display the data in a usable visual format?

4. Essential Question 1 Marketing Math
How do you convert decimals to fractions and percent, fractions to decimals and percent, and percent to decimals and fractions?

5. Fractions, Decimals, Percent
Digit: The ten basic symbols of our numbering system: 0,1,2,3,4,5,6,7,8,9.
Decimal Number: A base-ten numeral that uses a decimal point and place value.
Percent: A part of a whole. A ratio that compares a number to 100.
Fraction: The division of two numbers written in the form .
Numerator: The top number in a fraction; represents the number of parts being considered.
Denominator: The bottom number in a fraction; represents the number of parts in a whole – cannot be equal to zero.
Mixed Number: A whole number and fraction together.

6. Fractions, Decimals, Percent
0.9 90
Renaming decimals as percents.
Rename 0.9 as a percent.
Multiply by 100 by moving the decimal point 2 places to the right.
Write in additional zeros if necessary.
Write the percent sign.
Examples:
0.89 = . %
0.034 =
8.4 =

7. Fractions, Decimals, Percent
1/5
0.2
Renaming fractions as percents.
Rename 1/5 as a percent.
Write the fraction as a decimal by dividing the numerator by the denominator.
Write the decimal as a percent.
Examples:
3/4 =
= 15
= 0.2 .
= 20%
2 1/5 =
2/3 =

8. Fractions, Decimals, Percent3%
0.03
Renaming percents as decimals.
Rename 3% as a decimal.
Divide by 100 by moving the decimal point 2 places to the left.
Write in additional zeros if necessary.
Remove the percent sign.
Examples:
43% = . %
5.7% =
287% =

9. Fractions, Decimals, Percent
Sentence problems.
What is 40% of 19.
Write the problem as an What is 40% of 19 equation ↓ ↓ ↓ x = 40% x 19
Rename the percent as a decimal. x = 0.4 x 19
Solve x = 7.6

10. Fractions, Decimals, Percent
Sentence problems.
Examples:
Find 25% of 80.
13 is what percent of 26?
45 is 10% of what number?

11. Essential Question 2 Marketing Math
How are bar graphs, line graphs, and circle graphs constructed and read?

12. Bar, Circle, and Line Graphs
Bar Graph: A drawing made up of parallel bars whose length are proportional to the qualities being measured.
Circle Graph: A geometric representation of the relative sizes of the parts of the whole. Also known as a pie chart.
Line Graph: Graph that uses a line to join parts representing changes in a variable quantity over a specific period of time.

13. Bar Graphs Best used to show the relationship between two variables.
Example:
Construct a bar graph to represent the data collected from a survey.
Selection No. Responding A B C D 10 20 30 40 50 60 70 80 A B C D

14. Circle Graphs
Best used to show the relationship of a single variable; usually in terms of a percentage.
Must convert data to degrees of arc. There are 360° of arc in a circle.
Example:
Construct a circle graph to represent the types of computers sold in one year.
Computer Sales
Educational $ 2,000,000
Personal $ 5,200,000
Business $10,400,000
Scientific $ 2,400,000

15. Line Graphs
Best used to show the relationship of a single variable and a constant.
Example:
Construct a graph which best represents the provided data. (5 pts)
Year Total Revenue
$ 3.3 million
$ 4.1 million
$ 3.9 million
$ 4.5 million
$ 4.9 million
$0.0
$1.0
$2.0
$3.0
$4.0
$5.0
$6.0
2000
2001
2002
2003
2004