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# Pre Algebra Worksheets for Writing Expressions

#### 1 of 5

Algebraic Expressions Worksheet 1 of 5

Worksheet 1 of 5

D. Russell
Write the equation or expression algebraically.

Print PDF worksheet above, the answers are on the second page.

An algebraic expression is a mathematical expression that will have variables, numbers and operations. The variable will represent the number in an expression or an equation. Answers may vary slightly. Being able to write expressions or equations algebraically is a pre algebra concept that is required prior to taking algebra.

The following prior knowledge is required before doing these worksheets:

• An understanding that a variable is a letter such as x, y or n and it will represent the unknown number.
• That an expression is a statement in math that will not contain an equals sign but it can containt numbers, variables and operation signs such as +, - x etc. For example, 3y is an expression.
• That an equation is a statement in math that does contain an equals sign.
• There should be some familiarity with integers which are whole numbers or whole numbers with a negative sign.
• An understanding of terms which are numbers and or numbers and variables separated by the operation sign. For instance, xy is one term and x - y is two terms.
• It is also important to understand and know the terms: quotient, product, sum, increased and decreased as they relate to operations. For instance, when the word sum is used, you will need to know that the operation involves adding or the use of the + sign. When the word quotient is used, it refers to the division sign and when the word product is used, it refers to the multiplication sign which is indicated by a . or by putting the variable beside the number as in 4n which means 4 x n

Deb Russell