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Splash Screen. Five-Minute Check Then/Now New Vocabulary Example 1: Write a Verbal Expression Key Concept: Translating Verbal to Algebraic Expressions Example 2: Write Algebraic Expressions Real-World Example 3: Write an Expression. Lesson Menu.
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Five-Minute Check Then/Now New Vocabulary Example 1: Write a Verbal Expression Key Concept: Translating Verbal to Algebraic Expressions Example 2: Write Algebraic Expressions Real-World Example 3: Write an Expression Lesson Menu
You performed operations on integers. (Lesson 0-3) Write verbal expressions for algebraic expressions. Write algebraic expressions for verbal expressions. Then/Now
algebraic expression product power exponent base variable term factor Vocabulary
Write Verbal Expressions A. Write a verbal expression for 8x2. Answer: eight times x squared Example 1
Write Verbal Expressions B. Write a verbal expression for y5 – 16y. Answer: the difference of y to the fifth power and 16 times y Example 1
A. Write a verbal expression for 7a4. • 7 times a • 7 times the product of 4 and a • 7 times a to the fourth power • 4 times a to the seventh power [Enter question here]
B. Write a verbal expression for x2 + 3. • the sum of 3 and x • the product of x squared and 3 • the sum of x and 3 squared • the sum of x squared and 3 [Enter question here]
c – 5 Write Algebraic Expressions A. Write an algebraic expression for 5 less than a number c. The words less than suggest subtraction. a number c less five Answer: Thus, the algebraic expression is c – 5. Example 2
Write Algebraic Expressions B. Write an algebraic expression for 9 plus the product of 2 and d. Plus implies add, and product implies multiply. Answer: The expression can be written as 9 + 2d. Example 2
Write Algebraic Expressions C. Write an algebraic expression for two fifths of the area a. The word of implies multiply. Example 2
A. Write an algebraic expression for nine more than a number h. • 9 – h • 9 + h • 9h • h – 9 [Enter question here]
B. Write an algebraic expression for the difference of 6 and 4 times a number x. • 6 – 4x • (6 – 4)x • 6 + 4x • 6x – 4 [Enter question here]
C. Write an algebraic expression for one half the size of the original perimeter p. • 2p • . • p2 • p [Enter question here]
Write an Expression ENTERTAINMENT Mr. Nehru bought two adult tickets and three student tickets for the planetarium show. Write an algebraic expression that represents the cost of the tickets. Let a be the cost of each adult ticket and c be the cost of each student ticket. The cost of the adult tickets is represented by 2a and the cost of the student tickets is represented by 3c. Answer:The cost of the tickets is represented by 2a + 3c. Example 3
MONEY Lorenzo bought a bag of peanuts that cost p dollars and he gave the cashier a $20 bill. Write an expression for the amount of change that he will receive. • 20 – p • p – 20 • 20 + p • 20 p [Enter question here]
A B C D A. Write an algebraic expression for nine more than a number h. A. 9 – h B. 9h C. 9 + h D.h – 9 Example 2
A B C D B. Write an algebraic expression for the difference of 6 and 4 times a number x. A. 6 – 4x B. (6 – 4)x C. 6 + 4x D. 6x – 4 Example 2
A B C D A.2p B. C.p2 D.p C. Write an algebraic expression for one half the size of the original perimeter p. Example 2
A B C D MONEY Lorenzo bought a bag of peanuts that cost p dollars and he gave the cashier a $20 bill. Write an expression for the amount of change that he will receive. A. 20 – p B.p – 20 C. 20 + p D. 20 p Example 3
A B C D A. Write a verbal expression for 7a4. A. 7 times a B. 7 times the product of 4 and a C. 7 times a to the fourth power D. 4 times a to the seventh power Example 1
A B C D B. Write a verbal expression for x2 + 3. A. the sum of 3 and x B. the product of x squared and 3 C. the sum of x and 3 squared D. the sum of x squared and 3 Example 1