Kristina L. Anderson March 28, 2009. Objective… VA SOL A.2 - The student will represent verbal quantitative situations algebraically and evaluate these.

Slides:

Advertisements

Similar presentations

Variables and Expressions

Advertisements

Lesson 1.1- Variables and Expressions, pg. 6

Chapter 1 Lesson 1 Variables and Expressions

4n + 6 A number increased by six times four A number plus six

Objective: SWBAT… Graph compound inequalities Sam is 9 years old. This is seven years younger than her sister Rose's age. What is Rose’s age? Create an.

_ + plus minus times divide add subtract multiply quotient

Objective - To translate English words, phrases, and sentences into mathematical symbols, expressions, and equations respectively. _ + plus minus times.

Equalities Inequalities < Is less than = Equals- Is the same as

Translating Word Phrases into Algebraic Expressions or Equations

Warm up Match each of the phrases with its appropriate operation. Operations may be matched more than one.  More than  Decreased by  Product  Quotient.

Understanding Algebra Word Problems

Ch 2.1 Translating Equations

Writing Expressions and Equations

4x + 3y 4x + 3y Translation of verbal phrases to mathematical phrases

1.2 Writing Algebraic Expressions

Warm Up Divided by Difference More than Product Minus Sum

1. 5 word prediction. Guess the meanings of the following words: Variable, expression, base, constant, & factor.

Writing Algebraic Expressions I can write expressions that include operations with numbers and variables.

Variables and Expressions 1-1 Vocabulary Variable – a letter used to represent unspecified numbers or values. Algebraic expression – consists of one.

Chapter 1-1: Variables and Expressions. Example 1 Write Algebraic Expressions Write an algebraic expression for each verbal expression. ◦a number k minus.

Quiz Time!! Clear your desk (except for pencil, calculator, and paper - if you want).

Translating into Algebraic expressions

2.1 – Writing Equations. The Language of Mathematics 2.1 – Writing Equations.

6.3.5 Translating words to algebraic expression. Algebraic Expressions Expressions that contain at least one variable PROBLEM: Twice a number decreased.

Objective 15 Word phrases to algebraic expressions ©2002 by R. Villar All Rights Reserved.

Variables in Algebra Goals I can evaluate a variable expression.

7 A&F 1.1 OBJECTIVE Use variables & operations to write an expression We LOVE Mathematical Language!!!

Lesson 1-6/ 1-7 Writing Algebraic Expressions. To evaluate an expression, substitute a number for a variable Example 1: Evaluate 3n + 7 when n = 3.

Algebraic Expressions

Expressions with variables using multiplication and division!

Notes Over 1.5 Write the phrase as a variable expression. Let x represent the number. 1. The sum of 1 and a number sum add switch 2. 4 less than a number.

Translating Word Phrases to Expressions

THE PRODUCT OF TIMES MULTIPLIED BY TWICE (times 2) MULTIPLICATION REVIEW OF SOLVING EQUATIONS Verbal expressions.

Homework ??????. I can translate and write expressions Page 83 GLUE Notes.

Writing Algebraic Expressions Mini Lesson. Objective: Write and evaluate an algebraic expression for a given situation, using up to three variables.

Algebra 1.1 I can translate between mathematical and verbal expressions.

A.A.1: Translate a quantitative

Algebraic Expressions and Terms. Expressions You are familiar with the following type of numerical expressions: (12) 6 (3 + 2) (6)

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Writing variable equations Find variables in addition equations Find variables in subtraction.

Copyright©amberpasillas2010. Add plus sum increased by total more than added to Subtract minus difference decreased by less than subtracted from less.

A NUMBER X INCREASED BY 9 X + 9 A NUMBER Y DIVIDED BY 8 Y / 8 OR Y 8.

Objective: Translate verbal phrases to number form. Key phrases : Addition: The sum of five and a number 5 + x Six more than a number x + 6 A number plus.

Lesson 5.1/5.2 – Writing Expressions and Equations Write this TITLE down on your notes!!! 5.1 /5.2 Writing Expressions and Equations.

Unit 7, Lesson 1: Translating Expressions Standard: AF 1.1 Objective: Translate verbal phrases.

Lesson 1.1 Expressions and Variables OBJ: To translate verbal phrases into expressions.

Algebraic Expressions and Terms By Aziz Elmrini By Aziz Elmrini.

1.3 Algebraic Expressions and Terms

Algebra 1 Unit 1 Expressions and Introduction to Polynomials Resources: VDOE & Henrico County Schools -Algebra 1 Modules.

___________________________________________________ _______ Algebra 1 – Solving Equations - Math is Hip ™ Prerequisite Skills Needed: - Basic Addition.

Variables Symbols used to represent unknown numbers or values.

Objective - To translate English words, phrases, and sentences into mathematical symbols, expressions, and equations respectively. _ + plus minus times.

An algebraic expression is a mathematical sentence that doesn't have an equal sign. We can use math terminology to translate verbal expressions into algebraic.

1-1 Variables and expressions

Expressions and Equations

2.1 – Writing Equations.

Translating to Algebraic Expressions

Compare and Contrast equations and expressions using vocabulary

Variables and Expressions

Using Variables ALGEBRA 1 LESSON 1-1

Translate the following words into mathematics:

Algebraic expression to Verbal statement Basic

Evaluating Algebraic Expressions

3.2 Writing Algebraic Expressions

Write verbal phrases and sentences as simple as algebraic expressions.

Algebraic expression to verbal statement two terms

Lesson 1 – 4 Solving Equations.

Algebraic Expressions and Terms

Evaluating Expressions

Words to Expressions Remember there are certain words and phrases that suggest different operations.

Translating Verbal Phrases

Presentation transcript:

Kristina L. Anderson March 28, 2009

Objective… VA SOL A.2 - The student will represent verbal quantitative situations algebraically and evaluate these expressions for given replacement values of the variables. Students will choose an appropriate computational technique, such as mental mathematics, calculator, or paper and pencil.

Some key words to remember… + Sum More Plus Add Increased – Difference Less Minus Subtract Decreased · Product Multiply Times ÷ Quotient Divide

Some special cases… WordTranslates to: TwiceTwo times SquaredTo the second power CubedTo the third power HalfDivided by two QuarterDivided by four

Instructions… Select the algebraic expression which best represents the given verbal expression.

Five multiplied by the sum of three and a number. A. 5 · 3 + x B. 3 + x · 5 C. (3 + x) 5 D. 5(3 + x)

Twice the difference of two and a number x. A. (2 – x) 2 B. 2(2 – x) C. (2 – x)(2 – x) D. (2 – x)/2

Five less than the product of a number and six. A. 6x - 5 B. 6(x – 5) C. (x + 6) – 5 D. (6 ÷ x) – 5

The sum of four and a cubed number x. A. (4 + x) 3 B x C. 4 + x 3 D x

A number increased by twelve. A. 12x B. x 12 C. x + 12 D. x + 12x

Four divided by the product of six and a number x. A. 4(6 ÷ x) B. (4 ÷ 6)x C. (6x) ÷ 4 D. 4 ÷ (6x)

Ten more than twice a number x. A. 2(x +10) B. (x + 10) 2 C. 2x + 10 D. (x + 10) ÷ 2

Half the sum of a number cubed and five. A. (x 3 + 5) ÷ 2 B. X ÷ 2 C. (x 3 ÷ 2) + 5 D. (3x + 5) ÷ 2

Six less than a number x. A. 6 – x B. x – 6 C. 6 ÷ x D. x ÷ 6

The product of two and a number x decreased by four. A. 2(4 – x) B. (2 – 4)x C. 2(x – 4) D. 2x – 4