1.1 Variables in Algebra Objectives: 1.) Breaking down pieces of math LANGUAGE 2.) Use “letters” variables effectively 3.) Work with variables in expressions.

Slides:

Advertisements

Similar presentations

Chapter 3 Math Vocabulary

Advertisements

Section 1-5 Algebra: Variables and Expressions. Vocabulary Algebra: Is a language of symbols, including variables Variable: Is a symbol, usually a letter,

VARIABLES AND EXPRESSIONS NUMERICAL EXPRESSION A NAME FOR A NUMBER VARIABLE OR ALGEBRAIC EXPRESSION AN EXPRESSION THAT CONTAINS AT LEAST ONE VARIABLE.

Variables and Expressions

Class Starter pg. 1 Write an expression that represents the perimeter of the rectangle. Write an expression that represents the area of the rectangle.

Symbols and Expressions 1-1. I. Algebraic Expressions  Vocabulary: 1. Variable – letter that represents one or more numbers 2. Algebraic expression –

Check this out! Day 1 1.Pick a seat. Any seat. 2.Get a whiteboard, a marker, and an eraser. 3.Write down one -ing verb to describe.

12/2/14 Warm up Evaluating Algebraic Expressions Large to small = multiply 1 ton (T) = 2,000 pounds  B. ¾ T = pounds (lb ) 

Algebra 2: Checkpoint 6.1 & Solve the equation. Give the exact answer or round the result to two decimal places. a. b. 2. Simplify the expression.

Standard: Algebraic Functions 1.0 and 1.1 Students evaluate expressions with variables.

Chapter 1: The Language of Algebra You will learn: To use variables to represent unknown quantities Words to Learn: Variables: letters used to ______________.

Class Starter pg. 5. Vocabulary Variable Algebraic expression Numerical expression.

Get a marker and marker board Be ready to start when the bell rings Day 1.

Evaluating Algebraic Equations

Welcome to the Unit! School Life Chang Jun Middle School.

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.

EXPRESSIONS. Vocabulary A variable is a symbol, usually a letter, used to represent a number. –Example: 4x (x is the variable) A coefficient is the number.

Capitalization DAY 1 COMPLETE SLIDES 1-8

Welcome Back!!!! Algebra 1 Mrs. Honeycutt. Warm-up:

Chapter 1: Variables in Algebra

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.

Evaluating Expressions

Algebra: a language of symbols including variables Variable: a symbol, usually a letter, used to represent a number.

1-1 Patterns and Expressions Goal: Identify and Describe Patterns Honors Algebra II.

Warm-Up Activity Fold your notecard lengthwise Write your name (in large letters) on blank side so it can be on your desk On the lined side of the notecard,

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.

Translating Verbal Expressions COS: 5.0, 5.1. Vocabulary 1.A variable is a letter used to represent an unknown value. What is the root word for variable???

Chapter 1: Real Numbers and Equations Section 1.3: Variables and Expressions.

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.

Vocabulary Variable Constant Algebraic Expression Evaluate.

VARIABLES AND EXPRESSIONS. Definitions: Algebra – Is a language of symbols, including variables. Variable - Is a letter or symbol that represents a quantity.

Essential Question: How do we Evaluate Algebraic Expressions? (+ & -) U3D4.

Essential Question: How do we Evaluate Algebraic Expressions? (● & /) U3D5.

LEQ: How can the Order of Operations be used to evaluate expressions?

 Students will be able to use the order of operations to evaluate expressions Focus Question How is evaluating an algebraic expression different form.

Click the mouse button or press the Space Bar to display the answers.

Parts of an Expression.

Chapter 9-Math Vocabulary Words

1-5 Equations Goals: Solve equations with one variable

EUROTOOLBOX French books Picture books.

Variables and Expressions

How do you model relationships with variables and equations?

Algebraic Expressions

3.1 Simplifying Algebraic Expressions

Chapter 1 Vocabulary 1.) variable 2.) algebraic expression

L1-6 Notes: Algebra: Variables and Expressions

Algebra Vocabulary.

Algebraic Expressions and Substitutions

EUROTOOLBOX French books Picture books.

Variables and Expressions

Translating Algebraic Expressions

Evaluate Expressions and use exponents

March 1, Math 201 OBJECTIVE: Students will be able to use substitution to evaluate algebraic expressions, including exponents of one, two, or.

A symbol, usually a letter, that represents one or more numbers

Purple Lesson 1.2 Page 11 Variables and Expressions

Evaluating Algebraic Expressions

COUNTRIES NATIONALITIES LANGUAGES.

Translating Algebraic Expressions

Do Now Evaluate 9h + h if h = 2.1 Evaluate 2 (4 + g) 2 If g = 6.

Variables and Expressions 1-1

Algebra Substitution a = 3 ; b = 4 and c = -1 2a + c b2 – a2 2b2

Algebra: Variables and Expressions

Learn to identify and evaluate expressions.

Evaluating Algebraic Expressions

= Today’s Objective To be able to evaluate variable expressions

Algebraic Expressions

Symbols and Expressions

Presentation transcript:

1.1 Variables in Algebra Objectives: 1.) Breaking down pieces of math LANGUAGE 2.) Use “letters” variables effectively 3.) Work with variables in expressions 4.) Start THINKING of expression set ups

Let’s choose a variable h = ?f = ? c = 550h + 330f C = 3.99h f

Why letters!???

Vocabulary Variable: A letter that represents unfixed #s Variable expression: A math sentence with variables and #s Example:4x + 6 Evaluate:

EXAMPLES 19. Evaluate the expression when 12x when x = Evaluate the expression when r(10) when r = 8.2

What language is it? a)Die fette Katze geht schnell. b)b)El gato gordo camina rápidamente c)Il gatto grasso cammina velocement. d)Le gros chat marche rapidement. e)O gato gordo anda rapidamente. f) 뚱뚱한 고양이 빠른 안내 German Spanish Italian French Portuguese Korean

Symbols/words + - / or ÷ × Symbols English

Example 1Example 2Example 3 12 more than a number 75 grouped into how many groups of 5 The difference between the 25 and a number

Example 1Example 2Example 3 The student body increased by 12 $75 split amongst 5 people The leftever space on 25 foot wall if a X foot bookshelf takes up space

Practice Set Chapter 1.1 Pg. 7 # 1,2; 9-11; make up a story; 25-27(odd) 39; 40; WS