# Translating Algebraic Expressions Equations Algebraic Expressions are number

Translating Algebraic Expressions & Equations

Algebraic Expressions • -are number sentences that has at least one known number, one variable and one operation (x, /, -, +) • DOES NOT HAVE AN EQUAL SIGN

How to Identify & Translate Expressions/Equations • #1. Identify the known in the algebraic expression or equation • #2 Connect key phrases with an operation • #3 Rewrite the phrase using what you know #4 Simplify if needed

Practice • 1. 12 more than a number • 2. The quotient of a number and 9 • 3. 4 times a number cubed decreased by 7 • 4. 15 less than a number squared

More Practice • 5. 3 more than 5 times the number of dogs • 6. The product of 5 and y added to 3 • 7. 4 times the number of cows plus 2 times the number of ducks

#1. Identify the known in the algebraic expression 1. 1 Page 14 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • Gavin agrees to buy a 6 -month package deal of monthly gym passes and in turn receives a 15% discount. Write an algebraic expression to represent the total cost of monthly passes.

#1. Identify the known in the algebraic expression 1. 1 Page 14 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • Andre purchased 10 cans of tennis balls from an online store and received a 25% discount. Shipping cost $5. 99. Write an algebraic expression to represent x the cost of each can.

• Nadia and some friends went to a movie. Their total cost was $30. 24 which included taxes of $2. 24. Write an algebraic expression to representation not including taxes.

#1. Identify the known in the algebraic expression 1. 1 Page 14 • Practice 8 -9 with your group • READY SET GO! #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know

Algebraic Equations • -are number sentences that has at least one known number, one variable and one operation (x, /, -, +) that uses an equal sign

#1. Identify the known in the algebraic expression 1. 3 Page 40 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • It cost Marcus an access fee for each visit to his gym, plus it cost him $3 in gas for each trip to the gym and back. This month it cost Marcus $108 for 6 trips to his gym. How much is Marcus’s access fee per visit?

#1. Identify the known in the algebraic expression 1. 3 Page 40 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • Rebecca bought x pairs of socks and received a 20% discount. Each pair of socks cost her $4. 99. Her total cost without tax was $29. 94. How many pairs of socks did Rebecca buy?

#1. Identify the known in the algebraic expression 1. 3 Page 40 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • Amelia and 2 of her friends went out to lunch. Each girl ordered exactly the same meal. The total cost was $55. 08, which include an 8% tax. What was the price of each meal, not including tax?

#1. Identify the known in the algebraic expression 1. 3 Page 40 #2 Connect key phrases with an operation #3 Rewrite the phrase using what you know • Alan mowed the lawn and trimmed the hedges in his yard. The amount of time he spent trimming the hedges was 1/3 the amount of time it took him to mow the lawn. If it took him 1 hour and 15 minutes to mow the lawn, how long did it take him to trim the hedges?

- Slides: 14