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Algebra 1 Mrs. Honeycutt Warm-up: Objectives: 1) To model relationships with variables. 2) To model relationships with equations and formulas. What Language Is This? a) Die fette Katze geht schnell. German b) El gato gordo camina rápidamente. Spanish c) Il gatto grasso cammina velocement. Italian d) Le gros chat marche rapidement. French e)O gato gordo anda rapidamente. Portuguese f) The fat cat walks fast. English What Language Is This? g) 4 2 3 • 4 (8 2)3 Math #1 4 more than p. #1 4 more than p. p+4 #2 4 less than p. #2 4 less than p. p-4 #3 the product of 15 and c. #3 the product of 15 and c. 15c #4 the sum of 12 and five times m. #4 the sum of 12 and five times m. #5 What language is this: математика - мой друг. 5m + 12 #5 #6 What language is this: What does this mean in German? математика - мой друг. Mathematik ist mein Freund. Russian. #6 What does this mean in German? Mathematik ist mein Freund. Mathematics is my friend. #7 the quotient of a number and six. #7 the quotient of a number and six. n/6 #8 the product of 5 and m minus the quotient of t and 7. #8 the product of 5 and m minus the quotient of t and 7. 5m - t/7 #9 four times the sum of a number and 10. #9 four times the sum of a number and 10. 4(n + 10) #10 write this in English: 5n - 7 #10 #11 write this in English: write this in English: 5n - 7 q/6 + 7 seven less than five times a number #11 write this in English: q/6 + 7 seven more than the quotient of q and six. #12 ten less than five times a number + - x .-. .-. + - x Sum Difference Product Quotient Add Subtract Multiply Divide More Than Less Than Times Ratio Increase Decrease (Twice) (Halved) (Triple) a) 12 more than 9 b) 8 less than 13 c) 16 divided by 4 d) Twice 25 Variable : a symbol, usually a letter, that represents a number. Examples) Expression : a phrase that includes numbers, variables, and operation symbols. Examples) a) Seven more than n b) The difference of n and 7 c) The product of seven and n d) The quotient of n and seven Defining a Variable : Examples) a)Two times a number plus 5 Let n = the number 2n + 5 b) 7 less than three times a number c) An Algebra textbook costs $55. A desk costs $60. If those are the only educational expenses for this classroom, write an algebraic expression to illustrate the total expenses. Activity (if time): Verbal Expressions Bingo Homework: http://honeycutt.pbworks.com/w/page/44422300/Algebra%201%20Assignments