# Assignment Writing Phrases As Algebraic Expressions

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Writing algebraic expressions can be confusing for some. Use this lesson on writing algebraic equations to help you better understand them.

### Introduction

If you're learning algebra in school or are studying for a test, you've probably notice that many problems ask you to translate written words into algebraic expressions. In other words, there are plenty of word problems.

Some word problems have real-life details—almost like a short story. Others are simple, like descriptions of a math problem. We'll start with simple word problems, then move on to slightly more complex ones.

#### Writing simple expressions

Before you can tackle complex word problems, you need to know how to translate simple problems into algebra. Generally, you'll do this by replacing the words with operators that mean the same thing. So for instance, four divided by x could be 4÷ x. ÷and /are just two ways of writing divided.

#### Words commonly used in algebra problems

Here are some of the most common math words you'll see: Many of these are probably familiar to you in everyday conversation. For instance:

• 3 more than 2 is equal to 3 + 2.
• Twice as much could be written as 2⋅x, or 2x.
• Have you ever split a check among three people? You could represent the amount of the check with the variable c, and write out that situation as c /3.

#### Writing multi-part algebraic expressions

Some expressions are slightly more complicated than the ones we looked at on the last page. For instance, some expressions include more than one math operation. Take this one as an example:

Five times the sum of four and two

If you were to translate this word for word, you'd change the word times to a multiplication symbol (⋅) and put a plus sign (+) between the four and the two. Your expression would look like this:

5 ⋅ 4 + 2

However, this wouldn't get us the right answer. This is because the order of operations would call for you to multiply 5 times 4 first, then add 2. However, our written expression asks us to multiply 5 by the sum of 4 and 2. In other words, we need to add 4 and 2 first, then multiply that number by 5.

If you're familiar with algebraic notation, you know that parentheses are useful in cases like this—they let you group part of an expression and solve it separately from the rest. Here, we can use them to group 4 and 2—the numbers being added.

5 ⋅ (4 + 2)

This is the correct way to write the expression. Based on the order of operations, always solve operations in parentheses first. Here, you'd add 4 + 2, then multiply that sum by 5—in other words, exactly what was written in the original expression.

### Assessment

Want even more practice? Try out a short assessment to test your skills by clicking the link below:

Start Assessment ## Algebraic Expressions Worksheets

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These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

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## Detailed Description for All Algebraic Expressions Worksheets

Words to Algebraic Expressions
These Algebraic Expressions Worksheets will produce a great handout to help students learn the symbols for different words and phrases in word problems. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

Translate Phrases Worksheets
These Algebraic Expressions Worksheets will create word problems for the students to translate into an algebraic statement. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

Simplifying Variables Expressions Worksheets
These Algebraic Expressions Worksheets will create algebraic statements for the student to simplify. You may select from 2, 3, or 4 terms with addition, subtraction, and multiplication. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

The Distributive Property Worksheets
These Algebraic Expressions Worksheets will create algebraic statements for the student to simplify. You may select from 3 and 4 terms with addition, subtraction, and multiplication. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

Evaluating One Variable Expressions Worksheets
These Algebraic Expressions Worksheets will create algebraic statements with one variable for the student to evaluate. You may select from 2, 3 and 4 terms with addition, subtraction, multiplication, and division. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade.

Evaluating Two Variables Expressions Worksheets
These Algebraic Expressions Worksheets will create algebraic statements with two variables for the student to evaluate. You may select from 2, 3 and 4 terms with addition, subtraction, multiplication, and division. These Algebraic Expressions Worksheets are a good resource for students in the 5th Grade through the 8th Grade. 