Instead of "8 plus 9" with two given numbersyou would see, "a number plus 9". The good news is that these very same words that we use to write numerical expressions are going to be used to write algebra expressions. This is a very brief lesson on simple algebraic expressions. Assessment Want even more practice?

This is because the order of operations would call for you to multiply 5 times 4 first, then add 2. Of is the tricky word. One of the most important things to remember is to look for key words and to make sure that your expression matches the context of the word problem.

This skill will come in handy when working with word problems or real life situations.

In other words, we need to add 4 and 2 first, then multiply that number by 5. The next lesson in this unit is on simplifying algebraic expressions. For instance, some expressions include more than one math operation.

Please also remember that addition is commutative; therefore, you can reverse the digits and you will end up with the same answer. Have you ever split a check among three people? Key words for each operation are indicated in bold.

However, our written expression asks us to multiply 5 by the sum of 4 and 2.

Here, we can use them to group 4 and 2—the numbers being added. As you begin to work with algebraic expressions more, you will see word problems that require you to use more than one operation.

Quotient is also a key word for division. Writing simple expressions Before you can tackle complex word problems, you need to know how to translate simple problems into algebra.

Take a look at these few examples: This will help you to easily translate the expression. Expressions with More Than One Operation Many people struggle with translating word problems into algebraic expressions. Play close attention to the order in which it is written.

You are probably very used to translating words into numerical expressions.Variable and Verbal Expressions Date_____ Period____ Write each as an algebraic expression.

1) the difference of 10 and 5 10 − 5 2) the quotient of 14 and 7 14 7 3) u decreased by 17 u − 17 4) half of 14 14 2 5) x increased by 6 x + 6 6) the product of x and 7 x ⋅ 7.

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. An algebraic expression is a mathematical phrase that contains a combination of numbers, variables and operational symbols. A variable is a letter that can represent one or more numbers.

How to write expressions with variables? Writing Variables Expressions Worksheets This Algebra 1 - Basics Worksheet will create word problems for the students to translate into an algebraic statement.

Type of Problems. Learn to write algebraic expressions in and out of word problems. Writing expressions with variables & parentheses. Similarly, when we describe an expression in words that includes a variable, we're describing an algebraic expression (an expression with a variable).

Writing Algebraic Expressions is presnted by Math Goodies.

Learn how to translate verbal phrases into algebraic expressions. Write an algebraic expression to represent his earnings for one day.

Solution: Let x represent the number of hours the electrician works in one day. The electrician's earnings can be represented by the following.

DownloadHow to write an algebraic expression in words

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