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Unit 1: Relationships Between Quantities

Unit 1: Relationships Between Quantities. Coordinate Algebra, Fall 2012 MCC9-12.N.Q.1, MCC9-12.N.Q.2, MCC9-12.N.Q.3, MCC9-12.A.SSE.1a,b, MCC9-12.A.CED.1, MCC9-12.A.CED.2, MCC9-12.A.CED.3, MCC9-12.A.CED.4. Unit 1. Concepts: Reason quantitatively and use units to solve problems.

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Unit 1: Relationships Between Quantities

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  1. Unit 1: Relationships Between Quantities Coordinate Algebra, Fall 2012 MCC9-12.N.Q.1, MCC9-12.N.Q.2, MCC9-12.N.Q.3, MCC9-12.A.SSE.1a,b, MCC9-12.A.CED.1, MCC9-12.A.CED.2, MCC9-12.A.CED.3, MCC9-12.A.CED.4

  2. Unit 1 Concepts: • Reason quantitatively and use units to solve problems. • Interpret the structure of expressions • Create equations that describe numbers or relationships

  3. Reason quantitatively and use units to solve problems. Concept 1 MCC9-12.N.Q.1 Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.★ MCC9-12.N.Q.2 Define appropriate quantities for the purpose of descriptive modeling.★ MCC9-12.N.Q.3 Choose a level of accuracy appropriate to limitations on measurement when reporting quantities.★ Can you explain your reasoning?

  4. Unit 1 Vocabulary

  5. Constant A number with no variable 4

  6. Coefficient • The number in front of the variable 5 is the coefficient

  7. Factor • The numbers you multiply to get other numbers Ex: the factors of 15 are 3 and 5 Ex: 11 is a factor of 33

  8. Equation Mathematical statement that says that two expressions have the same value; any number sentence with an = sign. 7+ b =10

  9. Expression A number, variable, or combination of the two connected by some mathematical operation such as addition, subtraction, multiplication, division, exponents, and/or roots 7+ b

  10. Term A single number or variable, or numbers and variables multiplied together 2x3 7c 4

  11. Variable A letter that represents an unknown number VARIABLE 10x

  12. Closing: Exit Ticket • Please copy down on your own paper and turn in as you leave the classroom • __________ is the coefficient of x • The constant in the expression is ________ • ____ and ______ are variables • The expression has ______ number of terms • The coefficient of y is _________ Three (3) negative 2 (-2). X y three four, 4.

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