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Date Warm-Up (Chapter 3.1) Today’s Objective/Standards: CST/CAHSEE: Review: Translate the verbal phrase into Solve and check: a variable expression. Seven less than nine times a number c – 31 = 14 A) 7n - 7 B) 70 - n C) 9n - 7 D) 7 - 9n Why can choice A, B and D be eliminated? Current: Other: Write each phrase as a Combine Like Terms: variable expressions: Simplify z + 5y + 3 + y The sum of twice a number and 8 The quotient of 25 and 5 times a number. Format: PDG Jan. 2005 Name ____________ Warm Up (Chapter 3.2) CST/CAHSEE: Review: Which expression represents a difference of two numbers? A) 6–y B) 6+y C) 6y D) 6÷y Prove why Choices A, B and C are not the correct answers. If a friend was absent on the day this lesson was taught and you were reviewing, why would you recommend eliminating Choice C and Choice D? Current: Other: Which expression matches the following phrase: one Write an integer that less than the product of a represents the situation: number and 3? Seventeen degrees below A. n+3–1 zero B. 3n – 1 C. n–3–1 D. 3(n – 1) Today’s Objective/Standards: Format: PDG Jan. 2005 Name ____________ Warm Up (Chapter 3.3) CST/CAHSEE: Review: You and a friend are on a Use a number line to find canoe trip. The trip is 56 miles the sum. long. The first day you travel 18 miles. How many more miles do you have to travel to 9 + (– 4) complete the trip? What other graphical Write an equation model. representation could be Solve and justify your used to find the correct reasoning. answer? Current: Other: At 1 p.m. the temperature was Find the sum. 67 and at 3 p.m. the temperature was 86 . How 38 + (– 21) + 15 much did the temperature increase by 3 p.m.? Today’s Objective/Standards: Format: PDG Jan. 2005 Name ____________ Warm Up (Chapter 3.4) Today’s Objective/Standards: CST/CAHSEE: Review: Simplify the expression. Then evaluate the expression when x = 2 – x + 4x + 8 Your friend thinks either B or C is the best answers. How can you help your under that A is the best answer? Current: Other: Which expression does not have Describe the patter. List a value of -3? the next 3 numbers you expect to find in the a. – 2 + (– 1) sequence. b. –10 + (–7) c. – 6 + 3 10, 12, 15, 19, __, __, __ d. 3–3–3 Today’s Objective/Standards: Format: PDG Jan. 2005 Name ____________ Warm Up (Chapter 3.5) CST/CAHSEE: Review: Find the difference: – 5 – 10 What are two methods Why can Choice A be easily can be used to simplify? eliminated? Current: Other: Find the value of the expression Describe and correct the a – b when a = 2 and b = –3. error. A. –4 B. –3 –9–8 C. –2 D. 0 = 9 + (– 8) =+1 Today’s Objective/Standards: Format: PDG Jan. 2005 Name ____________ Warm Up (Chapter 3.6) CST/CAHSEE: Review: The product of two positive integers is always positive (True or False) Provide an example. What choice would you eliminate easily and why? Current: Other: The product of a positive The product of two and a negative integer is negative integers is always always negative (True or negative (True or False)? False)? Provide an example Provide an example Today’s Objective/Standards: Format: PDG Jan. 2005 Name ____________ Warm Up(Chapter 3.7) CST/CAHSEE: Review: Evaluate the expression when x = – 3 Explain why Choices A, B and C can be eliminated. Current: Other: Find the product: Simplify: (–7) (– 4) 3x – 5– 2x Today’s Objective/Standards: Format: PDG Jan. 2005 Name ________________ Warm Up (Chapter 3.8) CST/CAHSEE: Review: Write an equivalent: Evaluate the expression when x = 5. Why can Choice A and Choice B be easily eliminated? Current: Other: The absolute value of a The sum of two negative negative integer is the integers is always negative? opposite of that integer? Is the above statement true? True or False? Use example to make the statement true. Prove why the statement is true. Today’s Objective/Standards: Format: PDG Jan. 2005