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**Verbal Expressions for =**

WRITING EQUATIONS Verbal expressions that suggest the equals sign ( = ). IS THE SAME AS IS IS AS MUCH AS EQUALS IS EQUAL TO IS IDENTICAL TO Verbal Expressions for =

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WRITING EQUATIONS Verbal expressions that suggest the equals sign ( = ). A number is equal to five. x Writing equations #1

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WRITING EQUATIONS Verbal expressions that suggest the equals sign ( = ). A number is equal to five. x = Writing equations #2

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WRITING EQUATIONS Verbal expressions that suggest the equals sign ( = ). A number is equal to five. x = 5 Writing equations #3

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**Verbal expressions that suggest the addition sign ( + ).**

WRITING EQUATIONS Verbal expressions that suggest the addition sign ( + ). MORE THAN PLUS GREATER THAN ADDED TO THE SUM OF Writing equations #4

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WRITING EQUATIONS Verbal expressions that suggest the addition sign ( + ). Six added to a number is thirteen. 6 Writing equations #5

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WRITING EQUATIONS Verbal expressions that suggest the addition sign ( + ). Six added to a number is thirteen. 6 + Writing equations #6

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WRITING EQUATIONS Verbal expressions that suggest the addition sign ( + ). Six added to a number is thirteen. 6 + x Writing equations #7

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**6 + x = Writing equations #8**

Verbal expressions that suggest the addition sign ( + ). Six added to a number is thirteen. 6 + x = Writing equations #8

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**6 + x = 13 Writing equations #9**

Verbal expressions that suggest the addition sign ( + ). Six added to a number is thirteen. 6 + x = 13 Writing equations #9

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**Writing equations #10 Verbal expressions SUBTRACTION WRITING EQUATIONS**

MINUS LESS THAN SUBTRACTED FROM LESS DIFFERENCE Writing equations #10

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**Writing equations #11 Verbal expressions MULTIPLICATION**

THE PRODUCT OF TWICE (times 2) TIMES OF MULTIPLIED BY Writing equations #11

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**Writing equations #12 Verbal expressions DIVISION WRITING EQUATIONS**

THE QUOTIENT OF DIVIDED BY DIVIDED INTO Writing equations #12

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**Six more than a number is twenty.**

WRITING EQUATIONS PRACTICE Six more than a number is twenty. 6 Writing equations #13

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**Six more than a number is twenty.**

WRITING EQUATIONS PRACTICE Six more than a number is twenty. + 6 Writing equations #14

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**Six more than a number is twenty.**

WRITING EQUATIONS PRACTICE Six more than a number is twenty. x + 6 Writing equations #15

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**Six more than a number is twenty.**

WRITING EQUATIONS PRACTICE Six more than a number is twenty. x + 6 = Writing equations #16

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**Six more than a number is twenty.**

WRITING EQUATIONS PRACTICE Six more than a number is twenty. x + 6 = 20 Writing equations #17

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**Two less than a number is fourteen.**

WRITING EQUATIONS PRACTICE Two less than a number is fourteen. 2 Writing equations #18

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**Two less than a number is fourteen.**

WRITING EQUATIONS PRACTICE Two less than a number is fourteen. - 2 Writing equations #19

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**Two less than a number is fourteen.**

WRITING EQUATIONS PRACTICE Two less than a number is fourteen. x - 2 Writing equations #20

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**Two less than a number is fourteen.**

WRITING EQUATIONS PRACTICE Two less than a number is fourteen. x - 2 = Writing equations #21

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**Two less than a number is fourteen.**

WRITING EQUATIONS PRACTICE Two less than a number is fourteen. x - 2 = 14 Writing equations #22

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**Four less than twice a number is five**

WRITING EQUATIONS PRACTICE Four less than twice a number is five 2x - 4 = 5 Writing equations #23

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**The sum of twice x and three times y is sixty.**

WRITING EQUATIONS PRACTICE The sum of twice x and three times y is sixty. 2x + 3y = 60 Writing equations #24

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**The square of a number minus 3 is the same as two.**

WRITING EQUATIONS PRACTICE The square of a number minus 3 is the same as two. x2 - 3 = 2 Writing equations #25

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**5x + 2 = 1 Writing equations #26 LET’S WORK THE OTHER WAY.**

Translate into a verbal sentence. 5x + 2 = 1 Two more than the product of five and a number is one or The sum of five times a number and two is the same as one or Two added to the product of five and a number equals one Writing equations #26

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**5 Steps to Problem Solving w/equations**

FIVE STEPS TO PROBLEM SOLVING 1. Define a variable 2. Write an equation 3. Solve the equation 4. Answer the problem 5. Check your answer 5 Steps to Problem Solving w/equations

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**FIVE STEPS TO PROBLEM SOLVING Five more than a number is eleven.**

SAMPLE PROBLEM Five more than a number is eleven. Define a variable x = the number Write an equation x + 5 = 11 Solve the equation x = 6 Answer the problem The number is 6 Check your answer 5 more than 6 is 11. Sample Problem

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**Addition Property of Equality**

SOLVING EQUATIONS Using Addition and Subtraction ADDITION PROPERTY OF EQUALITY For any numbers a, b, and c, if a = b, then a + c = b + c 20 = 20 = 25 = 25 Addition Property of Equality

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**Solving Equations (Sample 1)**

Using Addition and Subtraction SAMPLE PROBLEMS Solve: x – 3 = 7 x = 10 Equivalent Equation Check: 10 – 3 = 7 True Solving Equations (Sample 1)

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**Solving Equations (Sample 2)**

Using Addition and Subtraction SAMPLE PROBLEMS Solve: x + 6 = 2 x = - 4 Check: = 2 True Solving Equations (Sample 2)

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**Solving Equations (Sample 3)**

Using Addition and Subtraction Solving Equations (Sample 3) SAMPLE PROBLEMS Solve: x = - 5 x = - 16 Check: (-16) = True

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**Solving Equations (Sample 4)**

Using Addition and Subtraction SAMPLE PROBLEMS Solve: 55 – x = 70 -x = 15 NOTE: sign stays with x Change signs x = -15 Check: 55 – (-15) = 70 True Solving Equations (Sample 4)

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**Solving Equations (Sample 5)**

Using Addition and Subtraction SAMPLE PROBLEMS Solve: +1/ /3 Check: 11/15 – 1/3 = 11/15 – 5/15 = 6/15 = 2/5 True Solving Equations (Sample 5)

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WARM UP EVALUATING EXPRESSIONS Evaluate the expression for the given value of the variable. (Lesson 1.1) 1.(8)(x) when x = 4 2.24/x when x = 3 3.x + 15.

WARM UP EVALUATING EXPRESSIONS Evaluate the expression for the given value of the variable. (Lesson 1.1) 1.(8)(x) when x = 4 2.24/x when x = 3 3.x + 15.

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