Math Example: Language of Math--Numerical Expressions--Division--Example 36

Numerical Expressions

Topic

Description

This example demonstrates how to convert the verbal expression "negative twenty divided by negative twelve" into a mathematical expression. The correct numerical representation is -20 / (-12) or -20 ÷ (-12). This example helps students understand how to interpret the phrase "divided by" when working with negative numbers.

Numerical expressions are a fundamental concept in mathematics, allowing students to represent complex mathematical relationships using numbers and symbols. This collection of examples provides a diverse range of scenarios involving division with negative numbers, helping students develop a comprehensive understanding of how to interpret and express these operations mathematically.

Exposure to multiple worked-out examples is crucial for students to fully grasp the concept of numerical expressions, particularly when dealing with negative numbers in division. By seeing various scenarios, students can recognize patterns, understand the nuances of different verbal expressions, and build confidence in their ability to translate between verbal and mathematical representations.

Teacher Script: "Now, let's look at another example of converting verbal expressions into numerical expressions with negative numbers. Our next example is 'negative twenty divided by negative twelve.' How would we write this mathematically? Notice that this time, we're using the phrase 'divided by' instead of 'goes into' or 'over.' How does this affect our expression?"

For a complete collection of math examples related to Numerical Expressions click on this link: Math Examples: Numerical Expressions: Division Collection.