Math Example: Language of Math--Numerical Expressions--Addition--Example 12

Topic

Numerical Expressions

Description

This example demonstrates the conversion of the phrase "Nineteen increased by negative four" into a numerical expression. The image shows how this verbal statement translates to the expression 19 + (-4), further exploring the concept of adding negative numbers.

Understanding how to interpret phrases like "increased by" when dealing with negative numbers is crucial for students' mathematical development. It helps them grasp the idea that addition can sometimes result in a decrease when negative numbers are involved.

Presenting various examples of numerical expressions with negative numbers helps students become comfortable with these concepts. This exposure prepares them for more advanced topics in algebra and real-world applications involving both increases and decreases.

Teacher Script: Let's look at this example closely. We see the phrase "increased by negative four." How does adding a negative number affect the result? Can you think of a real-life situation where "increasing" by a negative amount might occur?

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