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Five-Minute Check (over Lesson 1–2) CCSS Then/Now New Vocabulary Example 1: Verbal to Algebraic Expression Example 2: Algebraic to Verbal Sentence Key Concept: Properties of Equality Example 3: Identify Properties of Equality Key Concept: Addition and Subtraction / Multiplication and Division Properties of Equality Example 4: Solve One-Step Equations Example 5: Solve a Multi-Step Equation Example 6: Solve for a Variable Example 7: Standardized Test Example Content Standards A.CED.1 Create equations and inequalities in one variable and use them to solve problems. Mathematical Practices 3 Construct viable arguments and critique the reasoning of others. 8 Look for and express regularity in repeated reasoning. You used properties of real numbers to evaluate expressions. • Translate verbal expressions into algebraic expressions and equations, and vice versa. • Solve equations using the properties of equality. Verbal to Algebraic Expression A. Write an algebraic expression to represent the verbal expression 7 less than a number. Verbal to Algebraic Expression B. Write an algebraic expression to represent the verbal expression the square of a number decreased by the product of 5 and the number. A. Write an algebraic expression to represent the verbal expression 6 more than a number. A. 6x B. x + 6 C. x6 D. x – 6 B. Write an algebraic expression to represent the verbal expression 2 less than the cube of a number. A. x3 – 2 B. 2x3 C. x2 – 2 D. 2 + x3 Algebraic to Verbal Sentence A. Write a verbal sentence to represent 6 = –5 + x. Algebraic to Verbal Sentence B. Write a verbal sentence to represent 7y – 2 = 19. A. What is a verbal sentence that represents the equation n – 3 = 7? A. The difference of a number and 3 is 7. B. The sum of a number and 3 is 7. C. The difference of 3 and a number is 7. D. The difference of a number and 7 is 3. B. What is a verbal sentence that represents the equation 5 = 2 + x? A. Five is equal to the difference of 2 and a number. B. Five is equal to twice a number. C. Five is equal to the quotient of 2 and a number. D. Five is equal to the sum of 2 and a number. Identify Properties of Equality A. Name the property illustrated by the statement. a – 2.03 = a – 2.03 Identify Properties of Equality B. Name the property illustrated by the statement. If 9 = x, then x = 9. A. What property is illustrated by the statement? If x + 4 = 3, then 3 = x + 4. A. Reflexive Property of Equality B. Symmetric Property of Equality C. Transitive Property of Equality D. Substitution Property of Equality B. What property is illustrated by the statement? If 3 = x and x = y, then 3 = y. A. Reflexive Property of Equality B. Symmetric Property of Equality C. Transitive Property of Equality D. Substitution Property of Equality Solve One-Step Equations A. Solve m – 5.48 = 0.02. Check your solution. Solve One-Step Equations A. What is the solution to the equation x + 5 = 3? A. –8 B. –2 C. 2 D. 8 B. What is the solution to the equation A. 5 B. C. 15 D. 30 Solve a Multi-Step Equation Solve 53 = 3(y – 2) – 2(3y – 1). What is the solution to 25 = 3(2x + 2) – 5(2x + 1)? A. –6 B. C. D. 6 Solve for a Variable A B C D 1.3 HW: P. 22 22-34E, 39-48, 71-74