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Math Example: Language of Math--Variable Expressions--Multiplication and Addition--Example 29

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# Math Example: Language of Math--Variable Expressions--Multiplication and Addition--Example 29

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Variable Expressions

## Description

This example illustrates the process of converting a verbal statement into a variable expression using multiplication and addition. The statement "Negative four multiplied by a number increased by negative five" is translated into the algebraic expression -4x + (-5). This example helps students understand how to interpret mathematical language and represent it symbolically, particularly when dealing with negative coefficients and negative constants.

Variable expressions are essential in algebra as they allow students to translate real-world situations into mathematical language. This collection of examples reinforces these concepts by presenting various scenarios where variable expressions can be effectively used, helping students develop their algebraic thinking skills.

Exposure to multiple worked-out examples is crucial for students to fully grasp mathematical concepts. Each example provides a unique perspective, reinforcing the underlying principles and ensuring a comprehensive understanding of variable expressions in different contexts.

**Teacher Script:** "Let's analyze this example step by step. The phrase 'Negative four multiplied by a number' translates to -4x. The words 'increased by negative five' indicate addition of a negative number, which we write as + (-5). Notice how we handle multiple negative terms in the expression. This skill is essential when working with more complex algebraic expressions involving negative numbers."

For a complete collection of math examples related to Variable Expressions click on this link: __Math Examples: Variable Expressions: Multiplication and Addition Collection.__

Common Core Standards | CCSS.MATH.CONTENT.5.OA.A.2, CCSS.MATH.CONTENT.6.EE.A.2 |
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Grade Range | 6 - 8 |

Curriculum Nodes |
Algebra• The Language of Math• Numerical Expressions |

Copyright Year | 2016 |

Keywords | variable expressions, multiplication and addition |