Math Example: Language of Math--Numerical Expressions--Multiplication--Example 34

Topic

Numerical Expressions

Description

This example illustrates how to convert the statement "Negative thirteen groups of negative nineteen" into a numerical expression. The solution explains that the term "groups of" refers to multiples of a number, with the number on the right being the multiplier of the number on the left. This results in the expression -19 * (-13).

Understanding numerical expressions, particularly those involving multiplication and negative numbers, is a crucial skill in mathematics. This collection of examples helps teach students how to accurately interpret various verbal phrases indicating multiplication and translate them into mathematical notation. It's especially useful for grasping how everyday language can represent complex mathematical operations.

Providing students with multiple worked-out examples is essential for developing a comprehensive understanding of this concept. By examining different phrasings and contexts, students can identify patterns and build confidence in converting verbal statements into mathematical expressions. This approach enhances their ability to tackle a wider range of problems and reinforces their understanding of multiplication with negative numbers.

Teacher to Student: "Let's look at this example closely. We're changing 'Negative thirteen groups of negative nineteen' into a math expression. Notice how 'groups of' indicates multiplication, and how we arrange the numbers. Can you think of a real-life situation where we might use 'groups of' to describe multiplication?"

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