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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

Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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9/15/10 Words and Math. Entry Task. Evaluate each expression for the given values of the variables. Show all steps. 1. 6 x + 9 for x = 3 2. x + 14 + x for x = 8 3. 4 x + 3 y for x = 2, y = 3. 27. 30. 17. Today’s Plan: -Entry Task & Correct Homework -Words and Math - PowerPoint PPT Presentation

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Page 1: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 2: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 3: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 4: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 5: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 6: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 7: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 8: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 9: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 10: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 11: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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 ·

Page 12: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 13: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 14: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 15: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 16: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 17: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 18: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

• 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

––

Page 19: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 20: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 21: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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

Page 22: Today’s Plan: -Entry Task & Correct Homework -Words and Math -Practice

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?