Section 1-1Writing Expressions and Equations Background: 1. An algebraic expression can contain numbers, variables, powers, and operations (addition, subtraction, multiplication, and division), but NO equal sign. For example: 3x + 4 5x 6xy x-y
2. A numeri
Excel Activity #4: Description:
Using Excel to Find the Mean and Standard Deviation from a Frequency Distribution
This lesson teaches the student more about using formulas in Excel by entering formulas into the spreadsheet to compute the mean and standard
March 13/14 2006
Order of Operations
Day Spirals Log Sheets E 63, E 65
Pi
1. 4
Order of Operations
In the Real World Music You buy a used guitar for $50. You then pay $10 for each of 5 guitar lessons. The total cost can be found by evaluating the expressi
Rules for arithmetic and algebra expressions that describe what sequence to follow to evaluate an expression involving more than one operation.
Step 1: First perform operations that are within grouping symbols such as parenthesis (), brackets [], and brac
6.4 Writing Expressions translating Math!
04/21/11
1
What Youll learn:
Youll learn to write simple algebraic expressions and equations from verbal phrases and sentences Variable a letter that represents a number. We will be defining variables choosing var
Signed Number Arithmetic
Success in performing operations on real numbers, both positive and negative signed numbers, depends on the ability to use the rules for signed number arithmetic and at the same time visualize the operations using the real number
Correct Order of Operations
Step 1: Grouping Symbols Step 2: Exponents Step 3: Multiplication and Division Step 4: Addition and Subtraction
Step 1: Grouping Symbols
Starting with the inner most grouping symbol perform the indicated operations.
Step 2: Exp
Announcements
HW quiz 1 on chapter P now posted in Vista, due September 10 Daily notes available at math.wvu.edu/~mays HW answers available on Vista Lab 2 tomorrow an ACT math test, labs on book material start Tuesday September 3. No class next Monday
H
Lesson 2-2 Example 1 Make and Interpret a Bar Graph MUSIC Make a vertical bar graph of the data. Compare the number of students who play the flute to the number of students who play the violin. Instrument Frequency clarinet 11 flute 18 trumpet 7 violin 5
Lesson 2-1 Example 1 Make a Frequency Table SALES The total amount spent by a sample of customers at a book store is shown in the table below. Make a frequency table of the data. Total Dollars Spent 24 18 9 36 45 29 32 7 40 28 5 41 8 28 25 Step 1 Choose a
Excel Activity #5: Description:
Using a Random Number Generator and Constructing a Frequency Table/Histogram
This lesson creates a uniform distribution to simulate the outcome of a state lottery. Then Excel is used to create a frequency table and histogra
Excel Activity #3: Description:
Investigating Mean, Median, Mode, and Standard Deviation
This lesson uses Excel to investigate several properties of the mean, median, mode and standard deviation. It investigates situations where the median is preferred ov
Excel Activity #2: Description:
Using Excel to Perform Statistical Functions and Formulas
This lesson investigates the use of statistical functions and mathematical formulas. The functions AVERAGE, MEDIAN, MODE, MIN, MAX, and STDEV are used along with use
Excel Activity #1: Description:
Creating a Bar Graph and Pie Chart
This lesson begins by having the students review the process of creating a frequency distribution for a sample of ages of people arrested in Volusia County. Excel is then used to create a
Arithmetic Drill
Practicing Arithmetic
Name:_ Find all the factors of the number. 1) 30 A) 5, 6, 10, 30 C) 1, 2, 3, 5, 6, 10, 15, 30 2) 27 A) 1, 3, 9
B) 1, 2, 3, 5, 6, 10, 20, 30 D) 1, 5, 6, 30
B) 3, 13, 27
C) 1, 3, 9, 27
D) 3, 9, 27
Write the number as t
Arithmetic Drill
Practicing Arithmetic
Name:_ Find all the factors of the number. 1) 30 A) 5, 6, 10, 30 C) 1, 2, 3, 5, 6, 10, 15, 30 2) 27 A) 1, 3, 9
B) 1, 2, 3, 5, 6, 10, 20, 30 D) 1, 5, 6, 30
B) 3, 13, 27
C) 1, 3, 9, 27
D) 3, 9, 27
Write the number as t
Arithmetic Drill
Practicing Arithmetic
Name:_ Find all the factors of the number. 1) 42 A) 7, 6, 14, 42 C) 1, 2, 3, 6, 7, 14, 21, 42 2) 27 A) 1, 3, 9
B) 1, 2, 3, 6, 7, 14, 28, 42 D) 1, 7, 6, 42
B) 3, 13, 27
C) 1, 3, 9, 27
D) 3, 9, 27
Write the number as t
Management 61 Exercises: Descriptive Statistics
1. Use the following data to construct a frequency distribution table with the following columns Class limits class boundaries Tally Frequency Class marks relative frequency f(x) 5.0 0.5 5.5 8.0 2. 4.5 4.0 5
CONTIG
by F. W. Broadbent in the May 1972 issue of The Arithmetic Teacher Contig is a game that intermediate-grade children love to play, but can be enjoyed by high school algebra students as well. I have also used the game in my computer science classes
Chapter Two Organizing and Summarizing Data
2.1 Organizing Qualitative Data
When data is collected from a survey or designed experiment, they must be organized into a manageable form. Data that is not organized is referred to as raw data.
Ways to Organize
Basic Algebra 1,2
Assessment 1-1, 1-2, 1-4
Name
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Write an algebraic expression for each verbal expression. (3 pts each) 1. The quotient of t and 8. 2. V increased by 11. 3. Six more than the product of 5 and k. Write an equation for each verbal e