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# Online Algebra Tutoring: Variable Expressions

## Algebra Worksheets

At eTutorWorld we have qualified online math tutors, with a Master’s in Education, just waiting to help your child with all mathematical concepts – from numbers to equations, to measurements and pre-level algebra and calculus, and beyond. At eTutorWorld we recognize that your child’s education needs are unique. Therefore we encourage you to set the pace of your lessons and learning with us. Our online math tutors are aware of your strengths and weaknesses and are able to design lesson plans specific to your requirements. Tutoring is something that our expert tutors have been passionate about for decades, and it continues to show in our student testimonials.

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## Learn Variable Expressions from Certified Online Algebra Tutor

variable is a symbol or an alphabetical letter used to represent an unknown number in an expression or an equation. The value of this number can vary. A variable expression is a math expression that consists of variables, numbers and operations (like add,subtract, multiply, and divide)

To translate verbal phrases into variable expressions. Look for key words that indicate additionsubtractionmultiplicationdivision.

### Key Words:

Addition: plus, the sum of, increased by, total, more than, added to.
Subtraction: minus, the difference of, decreased by, fewer than, less than, subtracted from.
Multiplication: times, the product of, multiplied by, of.
Division: divided by, the quotient of.

### Let’s understand with an example

The product of  two and a number increased by nineteen.

The product of two and a number increased by nineteen. (LOOK FOR KEYWORDS)

Product of indicates multiplication

To write variable expression, assign a variable to represent the unknown number. You can take any alphabetical letter of your choice!

The product of two and a number increased by nineteen.

## eTutorWorld Understands Math Tutoring | Online Math Worksheets are Important Tools

Understanding graphs, charts, and opinion polls in a newspaper, for calculating house and car payments, and for choosing a long-distance telephone service are impossible without strong math skills …and the only way to develop strong math skills is by constant practice.

‘Practice makes a man perfect’ holds true for no other field better than for math. A middle or high school student must set aside a minimum of an hour for math every day. Other than textbooks, worksheets help you revise and understand concepts better.

Our expert tutors prepare online maths worksheets that are age and grade-appropriate. Grade-wise math worksheets for Elementary Math, Arithmetic, Pre-Algebra, Algebra, Geometry, Trigonometry, Statistics, Pre-Calculus and Calculus can be solved to improve math skills, to get ahead or to even catch up.

You may download these FREE online math worksheets in the PDF format, and then print and email us their solutions for a free evaluation and analysis by eTutorworld’smath expert tutors.

You may solve these worksheets by yourself or with your peers while studying together.

The Answer Key at the end of each worksheet allows for a self-evaluation.

## Personalized Online Tutoring

eTutorWorld offers affordable one-on-one live tutoring over the web for Grades K-12, Test Prep help for Standardized tests like SCAT, CogAT, MAP, SSAT, SAT, ACT, ISEE and AP. You may schedule online tutoring lessons at your personal scheduled times, all with a Money-Back Guarantee. The first one-on-one online tutoring lesson is always FREE, no purchase obligation, no credit card required.

For answers/solutions to any question or to learn concepts, take a FREE CLASS.

No credit card required, no obligation to purchase.
Just book a free class to meet a tutor and get help on any topic you want!

## Check Point

Directions: Choose the algebraic expression that correctly represents the phrase provided. Select your answer.

1. Twenty less than twice a number
1. 20 – 2x
2. 2x+20
3. 2x – 20
4. None of the above
1. Three times a number increased by sixteen
1. 3(a + 16)
2. 3a + 16
3. (16 + 3)a
4. None of the above.
1. The product of eight and a number decreased by five.
1. 8(m – 5)
2. 5(8 – m)
3. 8m – 5
4. None of the above
1.  Sixty divided by nine times a number
1. 60 + 9n
2. 9n/60
3. 60/9n
4. None of the above
1. Sarah earns \$10 a day working part time at a supermarket. Write a variable expression to represent the amount of money she will earn in p days.
1. 10p
2. 10/p
3. 10 + p
4. None of the above
1. 2x -20
2. 3a +16
3. 8m-5
4. 60/9n
5. 10p

## eTutorWorld Understands Math Tutoring | Online Math Worksheets are Important Tools

Understanding graphs, charts, and opinion polls in a newspaper, for calculating house and car payments, and for choosing a long-distance telephone service are impossible without strong math skills …and the only way to develop strong math skills is by constant practice.

‘Practice makes a man perfect’ holds true for no other field better than for math. A middle or high school student must set aside a minimum of an hour for math every day. Other than textbooks, worksheets help you revise and understand concepts better.

Our expert tutors prepare online maths worksheets that are age and grade-appropriate. Grade-wise math worksheets for Elementary Math, Arithmetic, Pre-Algebra, Algebra, Geometry, Trigonometry, Statistics, Pre-Calculus and Calculus can be solved to improve math skills, to get ahead or to even catch up.

You may download these FREE online math worksheets in the PDF format, and then print and email us their solutions for a free evaluation and analysis by eTutorworld’smath expert tutors.

You may solve these worksheets by yourself or with your peers while studying together.

The Answer Key at the end of each worksheet allows for a self-evaluation.

## Personalized Online Tutoring

eTutorWorld offers affordable one-on-one live tutoring over the web for Grades K-12, Test Prep help for Standardized tests like SCAT, CogAT, MAP, SSAT, SAT, ACT, ISEE and AP. You may schedule online tutoring lessons at your personal scheduled times, all with a Money-Back Guarantee. The first one-on-one online tutoring lesson is always FREE, no purchase obligation, no credit card required.

For answers/solutions to any question or to learn concepts, take a FREE CLASS.

No credit card required, no obligation to purchase.
Just book a free class to meet a tutor and get help on any topic you want!

## Pricing for Online Tutoring

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1 session1 Month\$28
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