DO NOW-IN NOTEBOOK!! DO NOW What does it mean to keep an equation balanced? Objective SWBAT: Undo operations to solve for a variable Homework None! Enjoy.

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Presentation transcript:

DO NOW-IN NOTEBOOK!! DO NOW What does it mean to keep an equation balanced? Objective SWBAT: Undo operations to solve for a variable Homework None! Enjoy the long weekend =)

Wrapping the variable x x/7 x/7 – 8 x/7 – 8 = 4

Unwrapping the variable x/7 – 8 = 4 x/7 = 12 x = 84

Practice Isolating the Variable 3x + 4 = 15-2a + 5 = 18 ½ k – 9 = 130 = 2b - 10

Translate and Solve 1)The sum of twice a number and four is twelve. Find the number. 2) Five less than the quotient of a number and ten is one. Find the number. 3) Fifty four is equal to the product of a number and three. Find the number.

Exit Ticket Describe to an 8 th grader what you’re learning in Algebra, specifically answering the following question: How do you isolate and solve for a variable? -Write a letter: 5 sentences minimum -Draw a picture: Must have 3 sentence description