Math Example: Language of Math--Variable Expressions--Multiplication and Addition--Example 21

Topic

Variable Expressions

Description

This example demonstrates how to convert a verbal statement into a variable expression using multiplication and addition. The statement "Negative eight multiplied by a number increased by five" is translated into the algebraic expression -8x + 5. This example helps students understand how to interpret mathematical language and represent it symbolically, especially when dealing with negative coefficients.

Variable expressions are fundamental in algebra, allowing 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: "As we analyze this example, notice how 'Negative eight multiplied by a number' becomes -8x. The phrase 'increased by five' indicates addition of 5. Pay attention to how the negative sign affects only the variable term, not the constant term. This distinction is important when working with more complex algebraic expressions."

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