Chapter 5

Expressions

Day…..1. Review and Quiz

2. Parts of an Expression

3. Simplifying Expressions

4. Evaluating Expressions

5. Writing Expressions

Day 1

Bell Work

Justify your Response

I Can….

identify when two expressions are

equivalent.

Properties• Commutative- states that the order in which numbers are added

or multiplied does not change the sum or product. Ex: 4+3=7 or 3+4=7

• Associative- states that the way in which numbers are grouped does not change the sum or product.

Ex: 1 + (2+3) = 6 or (1+2) +3= 6• Identity- states that any number added to 0 or multiplied by 1 will

be itself. Ex: 6 + 0 = 6 or 4 x 1 = 4

• Distributive- is used to simplify or rewrite expressions by multiplying a number outside the parenthesis by each number or term inside the parenthesis.

Ex: 4(2 + 3) = 8 +12

pOp Quiz

• Take out a pencil and a calculator

• Clear everything else from your desk

Vocabulary•

•

•

•

•

•

A combination of variables, numbers, and at least one operation. Ex. 4x + 3

Expressions that have the same value. Ex. 5+9 = 20-6

Numerical Expression -

Algebraic Expressions -

Order of Operations-

Equivalent Expressions-

Evaluate-

Properties -

To find the value of an algebraic expression by replacing variables with numbers. 10a + 3 when a = 6. 10(6) + 3 = 57

A combination of numbers and operations. Ex. 10 + 5 - 8

The rules that tell which operation to preform first when more than one operation is used. (PEMDAS)

Mathematical statements that are true of any number belonging to the set of numbers for which the properties are defined.

Vocabulary•

•

•

•

The numerical part of a term followed by a variable.

Part of an algebraic expression that is unchanged by a variable. A numerical term without a variable ( ex. +5 or -10 )

Coefficient-

Constant-

Term- Each part of an algebraic expression or equation separated by a plus or minus sign. ( ex. 2x, -3, y, +10 )

A letter or symbol used to represent an unknown number.

Parts of an Expression

Example:

Partner Work

Please clear your desk of everything except for a pencil.

Wrap it Up

• Review

• Questions

• Exit Tickets

Day 2

Bell Work

Justify your response.

Homework Check

Properties• Commutative- states that the order in which numbers are added

or multiplied does not change the sum or product. Ex: 4+3=7 or 3+4=7

• Associative- states that the way in which numbers are grouped does not change the sum or product.

Ex: 1 + (2+3) = 6 or (1+2) +3= 6• Identity- states that any number added to 0 or multiplied by 1 will

be itself. Ex: 6 + 0 = 6 or 4 x 1 = 4

• Distributive- is used to simplify or rewrite expressions by multiplying a number outside the parenthesis by each number or term inside the parenthesis.

Ex: 4(2 + 3) = 8 +12

Vocabulary•

•

•

•

•

•

A combination of variables, numbers, and at least one operation. Ex. 4x + 3

Expressions that have the same value. Ex. 5+9 = 20-6

Numerical Expression -

Algebraic Expressions -

Order of Operations-

Equivalent Expressions-

Evaluate-

Properties -

To find the value of an algebraic expression by replacing variables with numbers. 10a + 3 when a = 6. 10(6) + 3 = 57

A combination of numbers and operations. Ex. 10 + 5 - 8

The rules that tell which operation to preform first when more than one operation is used. (PEMDAS)

Mathematical statements that are true of any number belonging to the set of numbers for which the properties are defined.

Vocabulary•

•

•

•

The numerical part of a term followed by a variable.

Part of an algebraic expression that is unchanged by a variable. A numerical term without a variable ( ex. +5 or -10 )

Coefficient-

Constant-

Term- Each part of an algebraic expression or equation separated by a plus or minus sign. ( ex. 2x, -3, y, +10 )

A letter or symbol used to represent an unknown number.

I Can….identify parts of an expression using

mathematical terms.

Parts of an Expression

Examples:

Partner Work

Please clear your desk of everything except for a pencil.

Day 3

Bell Work

Justify Your Response

Homework Check

Properties• Commutative- states that the order in which numbers are added

or multiplied does not change the sum or product. Ex: 4+3=7 or 3+4=7

• Associative- states that the way in which numbers are grouped does not change the sum or product.

Ex: 1 + (2+3) = 6 or (1+2) +3= 6• Identity- states that any number added to 0 or multiplied by 1 will

be itself. Ex: 6 + 0 = 6 or 4 x 1 = 4

• Distributive- is used to simplify or rewrite expressions by multiplying a number outside the parenthesis by each number or term inside the parenthesis.

Ex: 4(2 + 3) = 8 +12

Vocabulary•

•

•

•

•

•

A combination of variables, numbers, and at least one operation. Ex. 4x + 3

Expressions that have the same value. Ex. 5+9 = 20-6

Numerical Expression -

Algebraic Expressions -

Order of Operations-

Equivalent Expressions-

Evaluate-

Properties -

To find the value of an algebraic expression by replacing variables with numbers. 10a + 3 when a = 6. 10(6) + 3 = 57

A combination of numbers and operations. Ex. 10 + 5 - 8

The rules that tell which operation to preform first when more than one operation is used. (PEMDAS)

Mathematical statements that are true of any number belonging to the set of numbers for which the properties are defined.

Vocabulary•

•

•

•

The numerical part of a term followed by a variable.

Part of an algebraic expression that is unchanged by a variable. A numerical term without a variable ( ex. +5 or -10 )

Coefficient-

Constant-

Term- Each part of an algebraic expression or equation separated by a plus or minus sign. ( ex. 2x, -3, y, +10 )

A letter or symbol used to represent an unknown number.

I Can….combine like terms to simplify expressions.

Combining Like Terms

Examples:

Your Turn….

Take out your marker boards

Wrap it Up

• Review

• Questions

• Exit Tickets

Day 4

Bell Work

Justify Your Response

Homework Check

Properties• Commutative- states that the order in which numbers are added

or multiplied does not change the sum or product. Ex: 4+3=7 or 3+4=7

• Associative- states that the way in which numbers are grouped does not change the sum or product.

Ex: 1 + (2+3) = 6 or (1+2) +3= 6• Identity- states that any number added to 0 or multiplied by 1 will

be itself. Ex: 6 + 0 = 6 or 4 x 1 = 4

• Distributive- is used to simplify or rewrite expressions by multiplying a number outside the parenthesis by each number or term inside the parenthesis.

Ex: 4(2 + 3) = 8 +12

Vocabulary•

•

•

•

•

•

A combination of variables, numbers, and at least one operation. Ex. 4x + 3

Expressions that have the same value. Ex. 5+9 = 20-6

Numerical Expression -

Algebraic Expressions -

Order of Operations-

Equivalent Expressions-

Evaluate-

Properties -

To find the value of an algebraic expression by replacing variables with numbers. 10a + 3 when a = 6. 10(6) + 3 = 57

A combination of numbers and operations. Ex. 10 + 5 - 8

The rules that tell which operation to preform first when more than one operation is used. (PEMDAS)

Mathematical statements that are true of any number belonging to the set of numbers for which the properties are defined.

Vocabulary•

•

•

•

The numerical part of a term followed by a variable.

Part of an algebraic expression that is unchanged by a variable. A numerical term without a variable ( ex. +5 or -10 )

Coefficient-

Constant-

Term- Each part of an algebraic expression or equation separated by a plus or minus sign. ( ex. 2x, -3, y, +10 )

A letter or symbol used to represent an unknown number.

I Can….evaluate expressions

using substitution.

Evaluating Expressions

Example:

Write the Room

Clear your desk of everything except for a

pencil.

Wrap it Up

• Review

• Questions

• Exit Tickets

Day 5

Bell Work

Justify Your Response

Homework Check

Vocabulary•

•

•

•

•

•

A combination of variables, numbers, and at least one operation. Ex. 4x + 3

Expressions that have the same value. Ex. 5+9 = 20-6

Numerical Expression -

Algebraic Expressions -

Order of Operations-

Equivalent Expressions-

Evaluate-

Properties -

To find the value of an algebraic expression by replacing variables with numbers. 10a + 3 when a = 6. 10(6) + 3 = 57

A combination of numbers and operations. Ex. 10 + 5 - 8

The rules that tell which operation to preform first when more than one operation is used. (PEMDAS)

Mathematical statements that are true of any number belonging to the set of numbers for which the properties are defined.

Vocabulary•

•

•

•

The numerical part of a term followed by a variable.

Part of an algebraic expression that is unchanged by a variable. A numerical term without a variable ( ex. +5 or -10 )

Coefficient-

Constant-

Term- Each part of an algebraic expression or equation separated by a plus or minus sign. ( ex. 2x, -3, y, +10 )

A letter or symbol used to represent an unknown number.

Mid-Unit Assessment

Please clear your desk of everything except for a pencil

and a calculator.

Wrap it Up

• Review

• Questions

• Exit Tickets

Not Used this Week

No School

Computer Station• www.learnzillion.com (6 minutes per video)• www.tenmarks.com (10 questions per assignment)

Station Rotations1. Write your exit ticket.

2. Pack up everything but a pencil.

3. You will have 15 minutes to complete each rotation

1st Rotation

2nd Rotation

3rd Rotation

4th Rotation

Group WorkBefore we begin…….1. Complete an exit ticket.2. Pack up everything except for your

pencil and calculator.3. Sit quietly unit everyone is ready.

Watch This• ( 5 mins)