Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
Entry Task
9/15/10 Words and Math
Evaluate each expression for the given values of the variables. Show all steps.
1. 6x + 9 for x = 3
2. x + 14 + x for x = 8
3. 4x + 3y for x = 2, y = 3
27
30
17
Correct Homework
pg 94 #1-15
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Learning Target:
- Learn to translate words into mathematical expressions. Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Which operation symbol goes with each word?+
1. Sum2. Product
3. Quotient4. Difference
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Write an algebraic expression for each word phrase.
A. the product of 8 and a number n the product of 8 and n8 • n8n
B. a number w decreased by 9w decreased by 9w – 9
w – 9
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Write an algebraic expression for each word phrase.
A. the sum of a number h and 88 the sum of h and 88h + 88h + 88
B. the quotient of a number f and 6quotient of f and 6f 6
f6
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Insert Lesson Title Here
A. a number decreased by 10
decreased means “subtract”
B. r plus 20
plus means “add”
r + 20
n – 10
Write each phrase as an algebraic expression.
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
9/15/10 Words and Math
Write an algebraic expression for each word phrase.
1. 5 less than a number k
2. A number x divided by 11
3. The sum of n and 5
4. The product of 3 and h
k – 5
n + 5
x11
3h
Course 2
2-8 Translate Words into Math
Write each phrase as an algebraic expression.
A. the quotient of a number and 4
quotient means “divide”
B. w increased by 5
increased by means “add”
w + 5
n4
Insert Lesson Title Here
Course 2
2-8 Translate Words into Math
Write each phrase as an algebraic expression.
C. the product of a number and 5
D. 4 times the difference of y and 8
y – 8
n · 5
the product of a number and 5
5n
4 times the difference of y and 8
4(y – 8)
4 ·
Course 2
2-8 Translate Words into Math
Write each phrase as an algebraic expression.
Additional Example 1C & 1D: Translating Verbal Expressions into Algebraic Expressions
C. the difference of 3 times a number and 7
the difference of 3 times a number and 7
D. the quotient of 4 and a number, increased by 10
3 · x – 73x – 7
the quotient of 4 and a number, increased by 10
4n + 10
Write an algebraic expression for each word phrase.
Try This: Examples 1C and 1D
C. add 7 to 3 multiplied by madd 7 to 3 multiplied by m
7 + (3 m)7 + 3m
D. the difference of 5 and the product of 2 and rthe difference of 5 and the product of 2 and r
5 – (2 • r) 5 – 2r
Write an algebraic expression for each word phrase.
Additional Examples 1C and 1D: Translating Word Phrases into Math Expressions
C. 3 increased by the difference of p and 5 3 increased by the difference of p and 53 + (p – 5)3 + (p – 5)
D. 24 decreased by the product of 6 and q24 decreased by the product of 6 and q24 – (6 • q) 24 – 6q
Write an algebraic expression for each word phrase.
Try This: Examples 1A and 1B
A. the sum of a number h and 88 the sum of h and 88h + 88h + 88
B. the quotient of a number f and 6quotient of f and 6f 6
f6
Write an algebraic expression for each word phrase.
Try This: Examples 1C and 1D
C. add 7 to 3 multiplied by madd 7 to 3 multiplied by m
7 + (3 m)7 + 3m
D. the difference of 5 and the product of 2 and rthe difference of 5 and the product of 2 and r
5 – (2 • r) 5 – 2r
Today’s Plan:-Entry Task & Correct Homework-Words and Math-Practice
Learning Target:-I will translate words into mathematical expressions, and mathematical expressions into words.
Assignment #6
Words and Math: worksheet
9/15/10 Words and Math
• a number plus 5• add 5 to a number• sum of a number and 5• 5 more than a number• a number increased by 5
•a number minus 11• subtract 11 from a number• difference of a number and 11• 11 less than a number
• a number decreased by 11
• 3 times a number• 3 multiplied by a number• product of 3 and a number
• a number divided by 7• 7 divided into a number• quotient of a number and 7
++
––
Word Phrases Expression
n + 5
x 11
3m
or a 7a7
––
The county fair charges an admission of $6 and then charges $2 for each ride. Write an algebraic expression to represent the total cost after r rides at the fair.6 + 2r
Insert Lesson Title Here
Taylor orders a pizza for dinner. The 16 pieces need to be divided equally among p people. Write an algebraic expression that show how many pieces each person gets?
16 p
16 (4)
Each person gets 4 pieces.
Use your expression to solve the problem if she divides them equally among 4 people.
16 p , p=4
4
Lesson Quiz
Write an algebraic expression for each word phrase.
1. 5 less than a number k
2. a number x divided by 11
3. 4 times the sum of n and 5
Write an algebraic expression and used it to solve the problem.
4. Karen buys n raffle tickets for $0.50 each. If she buys 13 of them, how much will they cost?
k – 5
4(n + 5)
0.50n; $6.50
x11
Bill’s Taxi Company charges $2 plus $0.35 for each minute.
a. Write an expression for the cost of a taxi ride of m minutes long.
b. How much will a 12 minute ride cost?