1. Writing Expressions Section 1.3
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1.3: Write Expressions

2. Translating Verbal Phrases
Chart
Expression are numbers, symbols and operators grouped together that show the value; NO EQUAL SIGN
Addition
Subtraction
Multiplication
Division
Sum
Difference
Times
Quotient
Plus
Less Than
Product
Divided by
Total
Minus
Multiplied by
Divided into
More Than
Decreased by Of
Increased by
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1.3: Write Expressions

3. What would you replace is with?
Hint words
Put this statement into an equation:
My mother is here
What would you replace is with?
My mother = here
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1.3: Write Expressions

4. Example 1
Translate the verbal phrase into a expression, “The sum of twice a number and 4.”
“The sum of twice a number and 4”
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1.3: Write Expressions

5. “Twice the sum of a number and 4”
Example 2
Translate the verbal phrase into a expression, “Twice the sum of a number and 4.”
“Twice the sum of a number and 4”
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1.3: Write Expressions

6. Your Turn
3 times the difference of 22 and the square of a number of a number, m
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1.3: Write Expressions

7. “The quotient when the quantity 10 plus a number x is divided by 2”
Example 3
Translate the verbal phrase into an expression, “The quotient when the quantity 10 plus a number x is divided by 2.”
“The quotient when the quantity 10 plus a number x is divided by 2”
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1.3: Write Expressions

8. Example 4
Translate the verbal phrase into an expression, “Twice the quotient of 50 and the sum of a number of x and 8.”
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1.3: Write Expressions

9. Your Turn
Translate the verbal phrase into an expression, “11 times the quotient of the square of a number x and 5.”
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1.3: Write Expressions

10. Verbal Model Steps Draw a picture
Write the expression of the verbal model
Translate the verbal model into algebraic expression
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1.3: Write Expressions

11. Example 5
A 48-inch wood stick is to be cut into two pieces so that the longer piece is 3 times the shorter. Write the expression for the length of the remaining side.
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1.3: Write Expressions

12. Example 6
A piece of ribbon l feet long is cut from a ribbon 8 feet long. Write an expression for the length of the remaining piece.
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1.3: Write Expressions

13. Your Turn
A wire is to be cut so that the longer piece is one foot longer than 5 times the shorter piece. Write an expression for the longer piece.
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1.3: Write Expressions

14. Assignment Pg 18 4-20 even, 32 5/25/2019 2:54 AM
1.3: Write Expressions