Evaluate Multiplication and Division Expressions SWBAT find the value of algebraic expressions involving multiplication or division.

Slides:

Advertisements

Similar presentations

Solving equations that involve formulas.

Advertisements

EXAMPLE 1 Using a Variable Expression Hot Air Balloons You are riding in a hot air balloon. After traveling 5 miles, the balloon speed changes to 6 miles.

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

Do Now 9/7/10 Copy HW in your planner.  Text p. 5-7, #4-52 multiples of 4 In your journal, answer the following question. How do you evaluate algebraic.

1.1 Lesson – Evaluating Algebraic Expressions

Students will make Connections to Algebra  Variable:  A letter used to represent a range of numbers.

Notes Over 1.1 Evaluate the expression for the given value of the variable. Evaluate - means replace the variable by a number and work it out using order.

Section 1-2 Exponents and Order of Operations SPI 11E: Apply order of operations when computing with integers SPI 12E: Use estimation to determine a reasonable.

WARM UP MULTIPLE CHOICE 1.How many miles does Joyce travel if she drives for 6 hours at an average speed of 60 miles per hour? a) 66 miles b) 180 miles.

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

OTCQ What is 7 – 3 * 2 =. Aim 1-2 How do we define and the apply the order we perform operations in algebra? NY AN 6 Hwk Chapter 1-2 problems check.

ORDER OF OPERATIONS x 2 Evaluate the following arithmetic expression: x 2 Each student interpreted the problem differently, resulting in.

Function Notation II. Lesson notes As we learned in using patterns, some relations or sets of ordered pairs can be represented by an equation. When the.

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.

1.1 Variables in Algebra How many miles has the bike traveled? A racing biker travels down the road at 35 miles per hour. How many miles will the bike.

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

CONFIDENTIAL1 Warm-up: 1.) = 2.) = 3.)9 - 6 ÷ 3 = 4.)4 + 5 x 8 = 5.) = Today we will learn How to Evaluate Expressions.

Objective The student will be able to: translate verbal expressions into math expressions and vice versa.

Algebra 1c 1-1 Symbols and Expressions Terms to Know: Variable: A symbol that represents a number. Algebraic Expression: Is a collection of numbers, operators,

Using a Commutative Property You are going on a 400 mile bike trip. You plan to cycle at an average speed of 12 miles per hour for 7 hours per day. Can.

WARM UP MULTIPLE CHOICE 1.How many miles does Joyce travel if she drives for 6 hours at an average speed of 60 miles per hour? a) 66 miles b) 180 miles.

 You can use weighted averages to solve uniform motion problems when the objects you are considering are moving at constant rates or speeds.

Objective 16 Evaluate algebraic expressions, given values ©2002 by R. Villar All Rights Reserved.

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

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.

Notes 6.5, Date__________ (Substitution). To solve using Substitution: 1.Solve one equation for one variable (choose the variable with a coefficient of.

Evaluating Expressions. S.W.B.A.T  Use the order of operations to evaluate expressions with variables and expressions with numbers.

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.

Vocabulary Variable Constant Algebraic Expression Evaluate.

1. a) the product of 5 and a number x b) Evaluate when x = -1 2.a) 18 decreased by a number z b) Evaluate when z = a) the quotient of 16 and a number.

1.5 Translating Words into Mathematical Symbols

Notes Over 1.2.

Solving equations that involve formulas.

Algebra 1 Section 1.1 Evaluate algebraic expressions

Multiplication and Division Equations with Decimals

Variables and Expressions

5.1 Integer Exponents and Scientific Notation.

3 Formulas 3.1 Sequences 3.2 Introduction to Functions

Chapter 2 Review 14 questions: 1 – write a verbal expression

Learning Target I can solve and graph multi-step, one-variable inequalities using algebraic properties.

Find the least common multiple for each pair.

Evaluating Expressions

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

Algebra Algebra.

Solving Rational Equations and Inequalities

Introduction to Algebra

Solving Equations Containing

L1-6 Notes: Algebra: Variables and Expressions

Find the least common multiple for each pair.

Elimination Using Multiplication

Function notation & evaluating functions

Solving Systems of Equations by Substitution

Variables and Expressions

Algebraic Expressions and the Order of Operations

Evaluating Expressions

Evaluating Algebraic Expressions

A mathematical phase containing numbers.

A mathematical phase containing numbers.

Sec 4.2B Solve One-Step Multiplication and Division Equations

Warm Up Write each expression using an exponent • 2 • 2

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

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

Learn to identify and evaluate expressions.

Evaluating Algebraic Expressions.

Section 2.6 Solve Equations by Multiplying or Dividing

Symbols and Expressions

Algebraic Expressions and the Order of Operations

Evaluating an expression with two variable

Evaluating an expression with one variable

Presentation transcript:

Evaluate Multiplication and Division Expressions SWBAT find the value of algebraic expressions involving multiplication or division

Review What does it mean to evaluate?  Substitute the given number for the variable.  Solve or compute to find the value.

Examples Gilbert drives a train at an average rate of 130 hours per hour. After a number of hours the train reaches its destination. How many miles does the train travel in 2.5 hours? Set up as an expression with a variable:  130x Evaluate for the given value:  130(2.5)  325

Examples 33t, for t = ÷ f, for f = 15 How do I calculate 0.25 · 8 ÷ 2? 0.5r, for r = n, for n = 20 n ÷ 160, for n = 2992 a(2.1x0.02), for a = 40