Write an algebraic expression that represents the each verbal

statement.1. The difference of twelve and a number.

2. The sum of 12 times a number squared and 7.

Write a verbal expression for the following algebraic expression. (you cannot use the words minus or subtract)3.

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Homework Grading Scale• 10pts. – 0 to 1 wrong

• 9pts – 2 to 4 wrong

• 8pts – 4 to 6 wrong

• 7pts – 6 to 7 wrong

• 6pts – 8 to 9 wrong

• 5pts – 10 or more wrong

• 0pts – not turned in or was not turned in complete

Lesson 1.2 and 1.3Topic: Order of Operations

and PropertiesObjectives: SWBAT

1) Perform Order of Operations to master evaluating an expression.

2) Justify their steps with the use of Properties of Numbers.

Order of Operations – KWL

What do you remember about order of operations?

Are parenthesis a process?

What do exponents mean?

When would you add or subtract before you would multiply or divide?

Order of Operations Grouping

C.H.A.M.P.SConversation Level – 1Help – One person in group raise hand after you have made sure no one knows in groupActivity – Grouping of Key WordsMovement – Standing or leaning in chairsParticipation – Talk quietly and respectfully with other students in your group. Listen when another person talks.Success – Group each expression in its appreciate group

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Grouping – 4 groups

Exponents first

Multiply first

Divide first

Add or Subtract first

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+𝑜𝑟 − 𝑥3

∙ ÷8+96÷2

42÷ (6−3 )

17 ∙3+5

34+2 (18−5 ∙5 )

2+55−3

(24−12+6 )−2 ∙3÷5

84+5

(12 ) (3 ) (2 ) (5 )6−3+5 ∙3

2 [2 (18−5 )−4 ∙3 ]−6 23+65−18

2|6+2|+8(2−9 )− (2+9 )

4 [18+162 ]÷2

2√75+62 (5−8 )6

+10 ∙3

2+3−8−9+2

6+5+6+4

2÷4 ÷8÷5

2 ∙8 ∙7 ∙2

−2 (3 ∙52−8 )−164 (2+5 )17

−5 (2∙ (−7 )+2 )+ (6+2 )2 ∙3

19−5 ∙2

Me

48÷23 ∙3+5

We

25−6 ∙233−5 ∙3−2

Expert/Novice

We

𝑬𝒗𝒂𝒍𝒖𝒂𝒕𝒆𝟐(𝒙𝟐 – 𝒚 )+ 𝒛𝟐 𝒊𝒇 𝒙=𝟒 , 𝒚=𝟑 ,𝒂𝒏𝒅𝒛=𝟐

Two

a. 6

b. 28

c. 36

d. 10

Properties Foldable

Reflexive:

Symmetric:

Transitive:

Evaluate Using Properties

Justify each step with the appropriate Property. Used Substitution for basic arithmetic.

Human TimeLine

13

(10−7 )+4 (18÷9−1 ) 14

(12−8 )+3 (15÷5−2 )

2 (12 )+12+3 (12 ) 23 ∙0+2 (−3+3 )

25 (5−2 12 )− (2 ∙1+0 ) 5+ (−5 )+2 (9÷18 )

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Last One

Kristen purchased two binders that cost $1.25 each, two binders that cost $4.75 each, two packages of paper that cost $1.50 per package, four blue pens that cost $1.15 each, and four pencils that cost $0.35 each.

a. Write an expression to represent the total cost of supplies before tax.

b. What was the total cost of supplies before tax?

Assignment

1.2 and 1.3 WS Bundle (Evens except HOT-ALL)Algebra Builders (#68-ALL)

Quizlet (Words that mean and Algebraic Expressions)