Holt CA Course 1 Evaluating Algebraic Expressions 1-5 AF1.2 Write and evaluate an algebraic expression for a given situation, using up to three variables.

Slides:

Advertisements

Similar presentations

Objective: Students evaluate algebraic expressions

Advertisements

Evaluate expressions with grouping symbols

Preview Warm Up California Standards Lesson Presentation.

Writing Algebraic Expressions

Holt CA Course Graphing Equations AF1.0 Students write verbal expressions and sentences as algebraic expressions and equations; they evaluate algebraic.

NS2. 1 Understand negative whole-number exponents

Simplifying Algebraic Expressions

AF1. 4 Use algebraic terminology (e. g

Course Variables and Algebraic Expressions 1-7 Variables and Algebraic Expressions Course 2 Warm Up Warm Up Problem of the Day Problem of the Day.

1.2 Algebraic Expressions 8/24/12. Vocabulary Variable: A letter used to represent one or more numbers Exponent: The number or variable that represents.

Holt CA Course Perimeter AF3.1 Use variables in expressions describing geometric quantities (e.g., P = 2w + 2l, A = bh, C =  d–the formulas for.

Holt CA Course Solving Equations by Adding AF1.1 Write and solve one-step linear equations in one variable. California Standards.

Holt McDougal Algebra 1 Solving Two-Step and Multi-Step Equations Warm Up Evaluate each expression –3(–2) 2. 3(–5 + 7) – 4(7 – 5) Simplify.

Course 1 Warm Up Lesson Presentation Lesson Presentation Problem of the Day 2-1 Variables and Expressions Course 1.

2-1 Variables and Expressions Learn to identify and evaluate expressions.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 AF1.2 Write and evaluate an algebraic expression for a given situation, using up to three variables.

Variables and Algebraic Expressions 1-3. Vocabulary Variable- a letter represents a number that can vary. Constant- a number that does not change. Algebraic.

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Divide. Evaluate power – 3 = – 3 EXAMPLE – 3 = 3 2 – – 3 = 6 – 3 Multiply. Evaluate expressions Multiply and divide from.

Writing Algebraic Expressions. Word phrases can be written as algebraic expressions. Use the words to determine what operation you are using. Use a variable.

1-2 Order of Operations and Evaluating Expressions.

Holt CA Course 1 1-4Properties of Numbers Vocabulary.

Holt CA Course 1 1-4Properties of Numbers AF1.3 Apply algebraic order of operations and the commutative, associative, and distributive properties to evaluate.

Module Variables and Expressions

Holt CA Course 1 1-4Properties of Numbers Warm Up Warm Up California Standards Lesson Presentation Preview.

1-4 Variables and Algebraic Expressions Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson.

Holt CA Course 1 1-3Order of Operations AF1.4 Solve problems manually by using the correct order of operations or by using a scientific calculator. Also.

Warm Up Simplify.  3   15  (9 + 2)  7  5

2-1 Variables and Expressions Course 1 6 th Grade Math HW: Page 50 #5-17 all.

Course Variables and Algebraic Expressions 1-7 Variables and Algebraic Expressions Course 2 Warm Up Warm Up Objective Lesson Presentation Lesson.

Holt CA Course 1 1-6Writing Algebraic Expressions AF1.2 Write and evaluate an algebraic expression for a given situation, using up to three variables.

Holt CA Course Solving Equations Containing Integers Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.

Holt CA Course Subtracting Integers Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.

Learn to subtract integers. Course Subtracting Integers.

Holt CA Course Subtracting Integers NS2.3 Solve addition, subtraction, multiplication, and division problems, including those arising in concrete.

Translating Words into Algebraic Expressions

2-1 Variables and Expressions Course 1 Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day 2-1 Variables and Expressions Course.

Variables and Expressions #4. A variable is a letter or symbol that represents a quantity that can change. A constant is a quantity that does not change.

2-2 Variables and Expressions Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

1-6 Variables and Algebraic Expressions Warm Up Evaluate. 1. 5(7) – (18 – 11)  (40 – 35) (12 – 4)

Vocabulary Variable Constant Algebraic Expression Evaluate.

2-1 Variables and Expressions Course 1 Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day 2-1 Variables and Expressions Course.

2-2 Variables and Expressions Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Learn to evaluate algebraic expressions.. Vocabulary variable constant algebraic expression evaluate.

1.3 Algebraic Expressions and Terms

Course Variables and Algebraic Expressions 1-7 Variables and Algebraic Expressions Course 2 Warm Up Warm Up Problem of the Day Problem of the Day.

Powers and Exponents Intro to Algebra Farris.  I can write and evaluate expressions using exponents.

6 th Grade Math WV Algebra Strand. Definitions Variable – A variable is a letter or symbol that represents a number (unknown quantity). 8 + n = 12.

Holt CA Course 1 1-6Writing Algebraic Expressions Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.

Holt CA Course 1 7-6Rate of Change and Slope SLOPE.

Evaluating Algebraic Expressions 4-1Exponents AF2.1 Interpret positive whole-number powers as repeated multiplication and negative whole-number powers.

2-7 Variables and Algebraic Expressions Warm Up Problem of the Day

The actor and director Ron Howard was born in 1954.

Writing Algebraic Expressions

Algebraic Expressions

ORDER OF OPERATIONS BEMDAS. 1. Brackets - ( ) or [ ]

Algebraic Expressions

Algebraic Expressions

Warm Up Evaluate. 1. 5(7) – (18 – 11)  (40 – 35) (12 – 4)

Algebraic Expressions

Preview Warm Up California Standards Lesson Presentation.

Multiply and divide Expressions

Do Now Simplify. 1. 5(7) – (18 – 11)  (40 – 35) (12 – 4)

Variables and Expressions

Learn to identify and evaluate expressions.

Solving Equations by 2-1 Adding or Subtracting Warm Up

Evaluating Expressions

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Presentation transcript:

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 AF1.2 Write and evaluate an algebraic expression for a given situation, using up to three variables. Also covered: AF1.3 California Standards

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Vocabulary variable constant A letter that represents a number that can vary. A number that cannot change.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 The expression b + 9 represents Chad’s age when his brother is b years old. Evaluate the expression for each value of b, and then tell what the value of the expression means. Example 1A: Evaluating Algebraic Expressions b = 5 b Substitute 5 for b. Add. When his brother is 5, Chad is 14.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Example 1B: Evaluating Algebraic Expressions b = 2 b Substitute 2 for b. Add. When his brother is 2, Chad is 11.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 The expression y + 7 represents Sidney’s age when her brother is y years old. Evaluate the expression for each value of y, and then tell what the value of the expression means. Check It Out! Example 1A y = 4 y Substitute 4 for y. Add. When her brother is 4, Sidney is 11.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Multiplication and division of variables can be written in several ways, as shown in the table. When evaluating expressions, use the order of operations.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Evaluate the expression for the given value of the variable. Example 2: Evaluating Algebraic Expressions Involving Order of Operations A. 4x – 3 for x = 2 4(2) – 3 8 – 3 5 Substitute 2 for x. Multiply. Subtract.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Example 2: Evaluating Algebraic Expressions Involving Order of Operations B. s ÷ 5 + s, for s = ÷ Substitute 15 for s. Divide. Add.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Check It Out! Example 2 Evaluate the expression for the given value of the variable. A. 3x – 2 for x = 3 3(3) – 2 9 – 2 7 Substitute 3 for x. Multiply. Subtract.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Evaluate Example 3: Evaluating Algebraic Expressions with More than One Variable 6a6a + 4b − c, for a = 3, b = 2, and c = 7. 6a6a + 4b − c (2) − − 7 3 Substitute 3 for a, 2 for b, and 7 for c. Divide and multiply from left to right. Add and subtract from left to right.

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 y = 8 y Substitute 8 for y. Add. When her brother is 8, Sidney is 15. The expression y + 7 represents Sidney’s age when her brother is y years old. Evaluate the expression for each value of y, and then tell what the value of the expression means. Check It Out! Example 1

Holt CA Course 1 Evaluating Algebraic Expressions 1-5 Check It Out! Example 2 Evaluate the expression for the given value of the variable. 4y 2 + 2y, for y = 3 4(3) 2 + 2(3) 4(9) + 2(3) Substitute 3 for y. Evaluate the power. Multiply. Add.