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Do – Now (5 min.)

Do – Now (5 min.). 1.) Add the fractions 1/5 and 2/3. 2.) Change your answer into a decimal. 3.) Change your answer into a percentage. 4.) Tell me one thing you did this weekend. AGENDA for the day. -Review fractions, decimals, and percentages -Mad Minute! (FRACTIONS)

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Do – Now (5 min.)

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  1. Do – Now (5 min.) • 1.) Add the fractions 1/5 and 2/3. • 2.) Change your answer into a decimal. • 3.) Change your answer into a percentage. • 4.) Tell me one thing you did this weekend.

  2. AGENDA for the day • -Review fractions, decimals, and percentages • -Mad Minute! (FRACTIONS) • -Challenge task for groups! (Tables and seats) • -Introduction to New Material (Variables and Expressions) • -Guided Practice Problems • -Independent Practice Problems • -Trade and Grade IP Problems • -Take Exit Ticket

  3. Unit 1.1 Variables and Expressions

  4. Group Task Pentagons and perimeters

  5. Opener: how many of these text abbreviations do you recognize? • LOL • IMHO • NMU • ROFL • NAGI • LMK • JSYK • SMH • ATM • FTW

  6. Opener: how many of these text abbreviations do you recognize? Laugh out loud In my honest opinion Nothing much, you? Rolling on the floor laughing Not a good idea Let me know Just so you know Shaking my head At the moment For the win • LOL • IMHO • NMU • ROFL • NAGI • LMK • JSYK • SMH • ATM • FTW

  7. Vocabulary Expression involving numbers and operations (+, - , x, /) Expression involving numbers, operations (+, - , x, /), AND variables • Numerical Expression • Algebraic Expression

  8. DECODING Mathematical LANGUAGE Sum, more than, greater than, plus, increased by Difference between, less than, fewer than, decreased by, minus Product, times, as much Quotient, divided by, the ratio of, per

  9. Examples: numerical expressions 1.) the sum of 2 and 5 2.) 3 increased by 7 3.) the difference between 5 and 2 4.) 3 fewer than 10 5.) 4 times 7 6.) the product of 6 and 2 7.) 10 divided by 5 8.) the quotient of 27 and 3

  10. Examples: algebraic expressions 1.) the sum of 2 and a number 2.) a number increased by 7 3.) the difference between a number and 2 4.) 3 fewer than a number 5.) 4 times a number 6.) the product of a number and 2 7.) a number divided by 5 8.) the quotient of 27 and a number

  11. More examples: • Write the algebraic expression: • 1.) 3 more than twice a number x • 2.) 9 less than the quotient of 6 and a number x • 3.) the product of 4 and the sum of a number x and 7 • Write the word phrases: • 4.) 3x • 5.) x + 8.1 • 6.) 10x + 9

  12. Writing a rule to describe a pattern

  13. Independent Practice • Expectations: • Remain silent for the entire 20 minutes. • Work alone. • Raise your hand if you have a question and wait patiently until I can come to answer it for you. • You may begin working on your homework assignment if you finish early. • We will be grading the classwork after time is called.

  14. Exit Ticket (5 min) • Write an algebraic expression for each phrase. • 1. The difference of a number x and ½ • 2. The quotient of 207 and a number n. • Use words to describe each expression. • 3. 3t – 4 • 4. 6c

  15. Exit Ticket (5 min)

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