Math Example: Language of Math--Numerical Expressions--Multiplication--Example 27

Topic

Numerical Expressions

Description

This example illustrates how to convert the phrase "Negative nine multiplied by three" into a numerical expression. The solution demonstrates that "multiplied by" is directly translated to the multiplication symbol, resulting in the expression -9 * 3. This example emphasizes the importance of maintaining the order of terms when converting verbal statements to mathematical notation.

Numerical expressions are a fundamental concept in mathematics, bridging the gap between everyday language and precise mathematical communication. By practicing these conversions, students develop the ability to interpret and represent mathematical ideas in multiple forms, a crucial skill for problem-solving and advanced mathematical thinking.

Providing students with a variety of worked examples is an effective teaching strategy. It allows learners to identify patterns, understand nuances, and develop a comprehensive grasp of how different verbal phrases translate into similar numerical expressions. This approach helps build confidence and fluency in mathematical language and notation.

Teacher Script: "Let's examine this example together. We have the phrase 'Negative nine multiplied by three.' How would you approach converting this into a numerical expression? Think about where the negative sign should be placed and what symbol we use for multiplication. Remember, the order of the numbers in the expression is important. Take a moment to consider how you'd write this, and then we'll discuss your reasoning and the correct approach."

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