7.EE.1 World of Algebra Do Now (10 minutes) Order of Operation (Show your work) 1. Solve (14+5) x 8-11 Word Problem of the Day 2. At noon on Monday in Minneapolis, the temperature, in degrees Fahrenheit (F), was –4º F. At noon on Tuesday, the temperature was 6 degrees higher. What was the temperature at noon on Tuesday? a) b) c) d) 2º F –2ºF 10ºF –10ºF Order of Operation (14+5) x 8 -11 19 x 8 -11 19 x -3 -57 Word Problem of the Day At noon on Monday in Minneapolis, the temperature, in degrees Fahrenheit (F), was –4º F. At noon on Tuesday, the temperature was 6 degrees higher. What was the temperature at noon on Tuesday? Combine Like Terms 3. 4z Put these terms into groups 2x 3z 2y 2y2 x2 3z2 x 2y3 5y 2x2 5x 6z z x y x2 Nonexam ple 4z, 3z, 6z 2x, x, 5x 2y, 5y x2, 2x2 2y2, 3z2 2y3 Agenda • 15 mins -Do Now • 5 mins - Review Class Procedures/Rules • 7 mins Why Algebra? • 15 mins “I Can Statements” – Where I am Today? • 20 min (rotation) Stations Station 1 • Vocabulary Development Station 2 • Combining Like Terms Moving into Algebra • What are we learning? • Use the Distributive Property to expand and factor linear expressions with rational numbers. • Combine like terms with rational coefficients. • Why are we learning it? (Day 1 Reason) • Algebra –Marine Biology Station Procedures Working Agreement: While in Stations I will •Remain on-task •Talk at a respectful level of both groups when asked to speak •Give my best effort •Follow procedures (cleaning up, timing constraints, directions) Station 1 Vocabulary Development a) b) c) d) e) f) Equation Factor Coefficient Constant Variable inverse Vocabulary Word Sound it out (How would you spell it?) Definition (Make it Your Own) Student Friendly expression X-spre-shun math sentences with symbols and numbers without a equal sign Use these sites if you need help •Mathisfun •Mathwords •Math.com Example x+5y Non-example Create a sentence using the word. (for at least 3) X+5y=26 I know how to translate expressions from verbal to numerical form. Station 2: Combining Like Terms: Evaluate these problems. Copy the problem and describe what is occurring to simplify the expression. 3z + 2x + 5z – 3z2 2x + 3x2 – 5 + 4x – x2 3(6y – y) + 2y 3z + 5z+ 2x- 3z2 8z + 2x -3z2 2x + 4x -3x2 +x2 – 5 6x - 3x2 + x2 – 5 6x - 2x2 - 5 18y – 3y + 2y 15y + 2y 17y On Your Own: 2a + 4b + 5a – 3c2 3x + 2x2 – 7 + 6x – x2 2r2 – 3s + 2r2 – 2s 2x – 3y2 + 2x – z3 3(2m – m) – 8m + 5m y(y + 5) + 3y2 – 9 + 4y