Math Example: Language of Math--Numerical Expressions--Division--Example 35

Numerical Expressions

Topic

Description

This example illustrates the conversion of the verbal expression "negative twenty goes into negative seven" into a mathematical expression. The correct numerical representation is -7 / (-20) or -7 ÷ (-20). This example helps students understand how to interpret the phrase "goes into" as an indicator of division when working with negative numbers, and how the order of the numbers affects the expression.

Numerical expressions are a crucial aspect of mathematics, allowing students to represent mathematical relationships using numbers and symbols. This collection of examples covers various scenarios involving division with negative numbers, helping students develop a comprehensive understanding of how to interpret and express these operations mathematically.

Providing students with multiple worked-out examples is essential for mastering the concept of numerical expressions, especially when dealing with negative numbers in division. By examining different scenarios, students can identify patterns, understand the nuances of various verbal expressions, and gain confidence in translating between verbal and mathematical representations.

Teacher Script: "Let's continue our exploration of converting verbal expressions into numerical expressions with negative numbers. Our next example is 'negative twenty goes into negative seven.' How would we write this mathematically? Remember, the phrase 'goes into' indicates division, but pay close attention to the order of the numbers and their signs."

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