WarmUp 7 Minutes Copy Questions Then Answer Them

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Warm-Up (7 Minutes) Copy Questions Then Answer Them Show all work 1. If Dorian

Warm-Up (7 Minutes) Copy Questions Then Answer Them Show all work 1. If Dorian can travel ½ mile per hour, how many inches can he travel in 3 hours? 2. Convert 600 dollars per year to nickels per day.

Definitions Identifying Parts of Expressions

Definitions Identifying Parts of Expressions

Algebraic Expression • Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots,

Algebraic Expression • Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents… • Examples:

Variable • Symbols or letters used to represent an unknown • Examples:

Variable • Symbols or letters used to represent an unknown • Examples:

Term • How many items are being added, subtracted, divided • Examples: 3 terms

Term • How many items are being added, subtracted, divided • Examples: 3 terms 4 terms

Like Terms • Same variable raised to the same power • Examples:

Like Terms • Same variable raised to the same power • Examples:

Coefficient • The number multiplying to a variable (in front) • Examples: 123 9

Coefficient • The number multiplying to a variable (in front) • Examples: 123 9 1

Exponent • The number in the superscript of a base • The number of

Exponent • The number in the superscript of a base • The number of times you multiply something to itself • Examples: 3 1 4

Base • What the exponent sits on • The part that has been raised

Base • What the exponent sits on • The part that has been raised to a power • Examples: 2 x y

Constant • A number that has no variable • It can be positive or

Constant • A number that has no variable • It can be positive or negative • Examples: -42 5 -8

Factors • Items that are being multiplied together • Can be numbers, variables, parenthesis

Factors • Items that are being multiplied together • Can be numbers, variables, parenthesis • Examples: 1 and 6…. Or 2 and 3 9 and x and y (x + 2) and (y – 3) 3 and (z – 9)

Sum • The answer to an addition problem Examples 3 + 5 7(4) +

Sum • The answer to an addition problem Examples 3 + 5 7(4) + 1 6 – 3 + 9

Difference • The answer to a subtraction problem Examples 10 - 4 8 –

Difference • The answer to a subtraction problem Examples 10 - 4 8 – 3(2) 7 + 3 - 1

Product • The answer to a multiplication problem Examples 8(4) 6÷ 3(4) 7(4+2)

Product • The answer to a multiplication problem Examples 8(4) 6÷ 3(4) 7(4+2)

Quotient • The answer to a division problem Examples 9÷ 3 7(4)÷ 2 (8+2)÷

Quotient • The answer to a division problem Examples 9÷ 3 7(4)÷ 2 (8+2)÷ 5

Example 1: Given the following expression, determine the number of terms, the constants and

Example 1: Given the following expression, determine the number of terms, the constants and the coefficients. 3 x 2 + 4 x – 3

Quick Check! • You try!

Quick Check! • You try!

Example 2: Simplify the expression and then identify the number of terms, the constants

Example 2: Simplify the expression and then identify the number of terms, the constants and the coefficients 2(x + 3) – 4(x + 2)

Quick Check! • You try!

Quick Check! • You try!

Example 3: Identify the factors of the expression. 3(x+3)x 2

Example 3: Identify the factors of the expression. 3(x+3)x 2

TRANSLATING EXPRESSIONS

TRANSLATING EXPRESSIONS

Fill in the words!

Fill in the words!

Example 1: Translate the words into an algebraic expression The sum of 2 times

Example 1: Translate the words into an algebraic expression The sum of 2 times a number and 4.

Quick Check! 1. The sum of a number and 10 2. The product of

Quick Check! 1. The sum of a number and 10 2. The product of 8 and x squared. 3. 9 less than g to the fourth power.

Example 2: Create an algebraic expression for the situation. John is three times as

Example 2: Create an algebraic expression for the situation. John is three times as heavy as Amy.

Guided Practice (10 min. )

Guided Practice (10 min. )

Independent Practice Activity (25 minutes) • In partners, match the expression to the words/description!

Independent Practice Activity (25 minutes) • In partners, match the expression to the words/description!

Exit Ticket 1. Sarah is 6 less than triple the age of her brother.

Exit Ticket 1. Sarah is 6 less than triple the age of her brother. Write an equation for the situation. 2. Identify the number of terms, the coefficient and the constant. 2(x+2) – 4. 3. X 2(x-2)(x +3) has how many factors?

Homework • Online & Quiz next class!

Homework • Online & Quiz next class!