Expressions Unit Quiz Review Book: Ch. 6—Lessons 1-4 Packet: Ch. 5—Lessons 1 & 4.

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Presentation transcript:

Expressions Unit Quiz Review Book: Ch. 6—Lessons 1-4 Packet: Ch. 5—Lessons 1 & 4

Book: 6-1 Be sure you can write products as powers and powers as products and find the value if needed

With a total of more than 3 x 3 x 3 x 3 x 3 x 3 home runs, Barry Bonds holds the major league record for the most home runs. Write this product using an exponent. About how many home runs did Barry Bonds have?

Book: 6-2 Be sure you know the Order of Operations and can use it to find the value of numerical expressions

Evaluate using the Order of Operations: -2(3 – 6)³ – x -4

Packet: 5-1 When evaluating expressions… – Plug in the value for each variable and rewrite the expression – Follow order of operations to solve

Book: 6-4 Writing phrases as algebraic expressions – Look for key words that tell you what operation to do – Choose a variable to represent the unknown quantity – Translate phrase into expression

Define a variable and write each phrase as an algebraic expression Four times as many apples 3 more than twice as many ringtones as Mary

Packet: 5-1 Write expression from word problems: 1.) Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your sisters. -Write an expression to find how much each of you will receive if there are c children. -If there are 4 children, how much will each receive?

Write expression from word problems: 2.) It costs $5 to get into the county fair. Packets of ride tickets cost $2 each. -Write an expression to find the total cost if you go to the fair and purchase t packets of tickets. -If you purchase 8 packets of tickets, what will your total cost be?

Packet: 5-4 Distributive Property – Multiply the number on the outside by both terms inside the parentheses – Answer should be 1 number if only numbers are involved Ex: 7(3 + 12) – If you have variable term and number term, DO NOT put them together Ex: 11(x + 5) = 11x + 55

Exs: 1.) -9(4 – x – 4y)2.) 4(4x – 5y + 3)

You and 4 friends are going to see a movie. You each want your own popcorn and a drink. The tickets cost x dollars, the popcorn is $4.50, and the drinks are $2.75. Write an expression using the Distributive Property to find the total cost of going to the movie and simplify.