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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 1. n g 3. 2n m + 8

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 1. n + 8

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 1. n

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 1. n

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 2. 45g

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 2. 45g 45 ·

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**5 Minute Check Complete on the back of your homework.**

m = 2, n = 16 and g = 2. 45g 45 · 45 5 9

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 3. 2n - 6

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 3. 2n · 16 – 6

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 3. 2n · 16 – 6 32 – 6 26

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 4. 7m + 8

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 4. 7m · 2 + 8

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5 Minute Check Complete on the back of your homework. m = 2, n = 16 and g = 4. 7m ·

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Flashcards

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**Lesson 6.4 Algebra: Write Expressions**

Thursday, Nov 21 Lesson 6.4 Algebra: Write Expressions

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**Algebra: Write Expressions**

Objective: To understand how to write verbal phrases as simple algebraic expressions.

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**Algebra: Write Expressions**

At the end of this lesson you should be able to answer the following question. How can writing phrases as algebraic expressions help you solve problems?

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**Algebra: Write Expressions**

Writing verbal phrases as algebraic expressions. Step 1 – Describe the situation using the most important words.

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**Algebra: Write Expressions**

Writing verbal phrases as algebraic expressions. Step 1 – Describe the situation using the most important words. Step 2 – Choose a variable to represent the unknown quantity.

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**Algebra: Write Expressions**

Writing verbal phrases as algebraic expressions. Step 1 – Describe the situation using the most important words. Step 2 – Choose a variable to represent the unknown quantity. Step 3 – Convert your verbal phrase into an algebraic expression.

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**Algebra: Write Expressions**

e.g. Eight dollars more than Ryan earned. Step 1 – Describe the situation using the most important words. This is already condensed to the most important words.

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**Algebra: Write Expressions**

e.g. Eight dollars more than Ryan earned. Step 2 – Choose a variable to represent the unknown quantity. Let R = Ryan

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**Algebra: Write Expressions**

e.g. Eight dollars more than Ryan earned. Step 3 – Convert your verbal phrase into an algebraic expression. R + 8, R = amount Ryan earned

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 1 – Describe the situation using the most important words.

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 1 – Describe the situation using the most important words. Ten dollars less than the original price.

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 2 – Choose a variable to represent the unknown quantity.

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 2 – Choose a variable to represent the unknown quantity. Original price = p

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 3 – Convert your verbal phrase into an algebraic expression.

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**Algebra: Write Expressions**

e.g. Ten dollars less than the original price. Step 3 – Convert your verbal phrase into an algebraic expression. p - $10, p = original price Why would it not be $10 - p?

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**Algebra: Write Expressions**

Four points fewer than the Bulls scored. Do this on your own.

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**Algebra: Write Expressions**

Four points fewer than the Bulls scored. B – 4, B = Points Bulls Scored.

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**Algebra: Write Expressions**

12 times the number of feet Do this on your own.

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**Algebra: Write Expressions**

12 times the number of feet 12f, f = feet Generally, when a number is multiplied by a variable, the number is written first.

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 1 – Describe the situation using the most important words.

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 1 – Describe the situation using the most important words. 5 less than 3 times the number of points.

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 2 – Choose a variable to represent the unknown quantity.

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 2 – Choose a variable to represent the unknown quantity. Let p = number of points

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 3 – Convert your verbal phrase into an algebraic expression.

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**Algebra: Write Expressions**

Write the phrase 5 less than 3 times the number of points as an algebraic expression. Step 3 – Convert your verbal phrase into an algebraic expression. 3p – 5, p = number of points Generally, the term with a number and variable comes first in an expression.

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**Algebra: Write Expressions**

Write the phrase $3 more than four times the cost of a pretzel as an algebraic expression. Do this on your own.

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**Algebra: Write Expressions**

Write the phrase $3 more than four times the cost of a pretzel as an algebraic expression. 4p + $3, p = cost of pretzel

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**Algebra: Write Expressions**

Shoko bought a box of popcorn for $3.50 and three medium soft drinks. Define a variable and write an expression to represent the total amount he spent. Then find the total amount if one drink costs $1.50. Do this on your own.

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**Algebra: Write Expressions**

Shoko bought a box of popcorn for $3.50 and three medium soft drinks. Define a variable and write an expression to represent the total amount he spent. Then find the total amount if one drink costs $ d + 3.5, d = drink 3·

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**Algebra: Write Expressions**

Terri bought a magazine for $5, and 2 bottles of nail polish. Write an expression to represent the total amount she spent. Then find the total amount if each bottle of nail polish costs $3. Do this on your own.

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**Algebra: Write Expressions**

Terri bought a magazine for $5, and 2 bottles of nail polish. Write an expression to represent the total amount she spent. Then find the total amount if each bottle of nail polish costs $3. 2d + 5, d = cost of bottle of nail polish 2·

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n + 7

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n more songs

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n - 2

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n – 2 2 less songs

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: 4n

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: 4n 4 times the songs

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n ÷ 2

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**Algebra: Write Expressions**

If n represents that number of songs stored on an mp3 player, describe the meaning of: n ÷ 2 Half the songs

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**Algebra: Write Expressions**

How can writing phrases as algebraic expressions help you solve problems?

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**Algebra: Write Expressions**

Agenda Notes Homework – Homework Practice 6-4 Due Friday, Nov 22 Mid-Chapter 6 Quiz – Friday, Nov 22

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5 Minute Check Complete on the back of your homework. 1. 9 + 12 - 15 2. (9 + 2) · 6 - 5 3. 26 + 6² ÷ 4 4. 22 ÷ 2 · 3².

5 Minute Check Complete on the back of your homework. 1. 9 + 12 - 15 2. (9 + 2) · 6 - 5 3. 26 + 6² ÷ 4 4. 22 ÷ 2 · 3².

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