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Presentation transcript:

Splash Screen

Objectives Vocabulary Example 1 Example 2 Quick Quiz Lesson Menu

To practice using variables to write expressions To use expressions to solve problems To develop and use formulas to find specific quantities To identify restrictions on variables To use a spreadsheet to make a chart Objectives

formula Vocabulary

Modeling Algebraic Expressions Evaluate t – 4 if t = 6. t – 4 = 6 – 4 Replace t with 6. = 2 Subtract. Answer: 2 Modeling Algebraic Expressions Example 1

Evaluate 7 + m if m = 4. A. 3 B. 7 C. 11 D. 28 A B C D Example 1

Example 2

Replace F with 99. Subtract 32 from 99. Multiply 5 and 67. Divide 335 by 9. Answer: about 37.2°C Example 2

BOWLING David is going bowling with a group of friends BOWLING David is going bowling with a group of friends. His cost for bowling can be described by the formula 1.75 + 2.5g, where g is the number of games David bowls. Find the total cost of bowling if David bowls 3 games. A. $4.25 B. $7.75 C. $9.25 D. $12.75 A B C D Example 2

Select the expression that shows the number of inches in w feet, eight inches. A. 12 + 8w B. w + 12 = 8 C. 12w + 8 D. 8w = 12 A B C D Quick Quiz 1

Noah has y lacrosse balls Noah has y lacrosse balls. Select the expression for the number of balls Christina has if she has 3 less than twice the number of balls Noah has. A. 2y – 3 B. y + 2 – 3 C. 3y – 2 D. y + 3 – 2 A B C D Quick Quiz 2

Select the correct story for the expression 12b + 7. A. Sergi has 12 more than 7 times the number of balls that Jeff has. B. Mike has 7 less than 12 times the number of balls that Maria has. C. Aisha has 7 more than 12 times the number of balls that Kevin has. D. Shaundra has 12 less than 7 times the number of balls that Kaya has. A B C D Quick Quiz 3

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Multilingual e-Glossary Image Bank Math Tools Multilingual e-Glossary Arithmetic Sequences Modeling Algebraic Expressions Distributive Property Resources

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