5 Minute Check Complete in your notes. m = 2, n = 16 and g = 1. n + 8 2. 45g 3. 2n - 6 4. 7m + 8

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 1. n + 8

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 1. n + 8 16 + 8 24

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 2. 45g

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 2. 45g 45 · 45 5 9

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 3. 2n - 6

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 3. 2n - 6 2 · 16 – 6 32 – 6 26

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 4. 7m + 8

5 Minute Check Complete in your notes. m = 2, n = 16 and g = 4. 7m + 8 7 · 2 + 8 14 + 8 22

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

Inquiry Lab

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Alabama has 4 fewer major airports than Missouri. How many major airports does Alabama have? Underline the key word.

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Alabama has 4 fewer major airports than Missouri. How many major airports does Alabama have? Underline the key word. The key word means to use what operation?

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Alabama has 4 fewer major airports than Missouri. How many major airports does Alabama have? Underline the key word. The key word means to use what operation? Subtract

5 Minute Check Missouri has 8 major airports and California has 24 major airports. California has three times as many major airports as Georgia. How many major airports does Georgia have? Underline the key word.

5 Minute Check Missouri has 8 major airports and California has 24 major airports. California has three times as many major airports as Georgia. How many major airports does Georgia have? Underline the key word. The key word means to use what operation?

5 Minute Check Missouri has 8 major airports and California has 24 major airports. California has three times as many major airports as Georgia. How many major airports does Georgia have? Underline the key word. The key word means to use what operation?

5 Minute Check Missouri has 8 major airports and California has 24 major airports. California has three times as many major airports as Georgia. How many major airports does Georgia have? Underline the key word. The key word means to use what operation? Division – since we know that California has 24 airports and that is three times what Georgia has we need to work backwards to find the answer. What is the reverse of multiplication?

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Missouri has two times as many major airports as Ohio. How many major airports does Ohio have? Underline the key word.

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Missouri has two times as many major airports as Ohio. How many major airports does Ohio have? Underline the key word. The key word means to use what operation?

5 Minute Check Missouri has 8 major airports and California has 24 major airports. Missouri has two times as many major airports as Ohio. How many major airports does Ohio have? Underline the key word. The key word means to use what operation? Division – since we know that Missouri has 8 airports and that is two times what Ohio has we need to work backwards to find the answer.

Lesson 6.6.4 Algebra: Write Expressions Monday, Nov 3 Lesson 6.6.4 Algebra: Write Expressions

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

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned.

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. Writing verbal phrases as algebraic expressions. Step 1 – Describe the situation using the most important words. This is already condensed to the most important words.

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. Writing verbal phrases as algebraic expressions. Step 2 – Choose a variable to represent the unknown quantity.

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. Writing verbal phrases as algebraic expressions. Step 2 – Choose a variable to represent the unknown quantity. Let R = Ryan

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. Writing verbal phrases as algebraic expressions. Step 3 – Convert your verbal phrase into an algebraic expression.

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. Writing verbal phrases as algebraic expressions. Step 3 – Convert your verbal phrase into an algebraic expression. R + $8, R = amount Ryan earned

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. We can also represent this with bar diagrams. Ryan’s original amount of money can be represented as the following: R

Algebra: Write Expressions Write as an algebraic expression. Eight dollars more than Ryan earned. We can also represent this with bar diagrams. Ryan’s original amount of money can be represented as the following: R + 8 can be represented as the following: R R $8

Algebra: Write Expressions Write as an algebraic expression. Ten dollars less than the original price. Do this on your own.

Algebra: Write Expressions Write as an algebraic expression. Ten dollars less than the original price. P - $10, P = Original Price

Algebra: Write Expressions Write as an algebraic expression. Ten dollars less than the original price. P - $10, P = Original Price Why would it not be $10 - P?

Algebra: Write Expressions Write as an algebraic expression. Ten dollars less than the original price. We can also represent this with bar diagrams, but since it involves subtract it is a little more problematic.

Algebra: Write Expressions Write as an algebraic expression. Ten dollars less than the original price. We can also represent this with bar diagrams, but since it involves subtract it is a little more problematic. P $10

Algebra: Write Expressions Write as an algebraic expression. Four times the number of gallons. Do this on your own.

Algebra: Write Expressions Write as an algebraic expression. Four times the number of gallons. 4 · g, where g is the number of gallons Generally, when a number is multiplied by a variable, the number is written first. G G G G

Algebra: Write Expressions Write as an algebraic expression. Four times the number of gallons. 4 · g, where g is the number of gallons 4 x g = 4 · g = 4g

Algebra: Write Expressions Write as an algebraic expression. Four points fewer than the Bulls scored. Do this on your own.

Algebra: Write Expressions Write as an algebraic expression. Four points fewer than the Bulls scored. B – 4 points, B = Points Bulls Scored. B 4 points

Algebra: Write Expressions Write as an algebraic expression. 12 times the number of feet Do this on your own.

Algebra: Write Expressions Write as an algebraic expression. 12 times the number of feet 12f, f = feet

Algebra: Write Expressions These are called One Step Expressions because they have one operation.

Algebra: Write Expressions These are called One Step Expressions because they have one operation. We can also write Two Step Expressions, which have two different operations.

Algebra: Write Expressions Write as an algebraic expression. 5 less than 3 times the number of points. What are the important words?

Algebra: Write Expressions Write as an algebraic expression. 5 less than 3 times the number of points. What are the important words?

Algebra: Write Expressions Write as an algebraic expression. 5 less than 3 times the number of points. 3p – 5, p = number of points Generally, the term with a number and variable comes first in an expression.

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

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

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

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. 3d + $3.50, d = drink 3· $1.50 + $3.50, if d = $1.50 $4.50 + $3.50 $8.00

Algebra: Write Expressions Terri bought a magazine for $5, and 2 bottles of nail polish. Write an algebraic 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.

Algebra: Write Expressions Terri bought a magazine for $5, and 2 bottles of nail polish. Write an algebraic 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·$3 + $5, if d = $3 $6 + $5 $11

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

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

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

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

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

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

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

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

Algebra: Write Expressions Elisa is writing an algebraic expression for the phrase 5 less than a number. Find her mistake and correct it.

Algebra: Write Expressions Elisa is writing an algebraic expression for the phrase 5 less than a number. Find her mistake and correct it. She is indicating a number less than 5, n – 5 is 5 less than a number.

Algebra: Write Expressions Wendy earns $2 for every table she serves plus 20% of the total customer order. Write and algebraic expression to represent the amount of money she earns for one table.

Algebra: Write Expressions Wendy earns $2 for every table she serves plus 20% of the total customer order. Write and algebraic expression to represent the amount of money she earns for one table. $2 + 0.2c, c = total customer order

Algebra: Write Expressions Complete Mid-Chapter Check on Page 472 Bring to my desk when complete. Agenda Notes Homework – Homework Practice 6.6.4 Due Tuesday, Nov 4 Mid-Chapter 6.6 Quiz – Tuesday, Nov 4