Math Example: Language of Math--Numerical Expressions--Grouping Symbols--Example 9

Topic

Numerical Expressions

Description

This example demonstrates how to convert a verbal statement into a numerical expression using multiplication and grouping symbols. The statement "Negative sixteen times the quantity three plus nineteen" is translated into the expression -16 * (3 + 19). This conversion involves replacing the word "times" with the multiplication symbol and using parentheses to represent "the quantity" which usually refers to two or more terms grouped together.

Understanding numerical expressions is crucial in mathematics as it allows students to translate word problems into mathematical language. This skill is fundamental for problem-solving and forms the basis for more advanced algebraic concepts. The examples in this collection provide a systematic approach to converting verbal statements into numerical expressions, emphasizing the importance of grouping symbols in maintaining the intended order of operations.

Exposure to multiple worked-out examples is vital for students to fully grasp this concept. Each example presents a slightly different scenario, helping students recognize patterns and develop flexibility in their approach to translating mathematical language. This variety reinforces the understanding of how different verbal cues correspond to specific mathematical operations and grouping techniques.

Teacher Script: "When you see the phrase 'times the quantity,' think about using parentheses to group the terms that come after it. This ensures we perform the operations inside the parentheses before multiplying by the number outside. Remember, the order in which we perform operations can significantly affect our result, so using grouping symbols correctly is crucial."

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