Math Example: Language of Math--Numerical Expressions--Grouping Symbols--Example 13

Topic

Numerical Expressions

Description

This example demonstrates the conversion of the verbal statement "Negative sixteen times the quantity three minus nineteen" into the numerical expression -16 * (3 - 19). The process involves replacing "times" with the multiplication symbol and using parentheses to group the terms following "the quantity."

Understanding numerical expressions is crucial in mathematics as it allows students to translate word problems into mathematical language. This skill forms the foundation for algebraic thinking and problem-solving. 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 essential 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 'times the quantity,' it's a signal to use parentheses. This ensures we subtract 19 from 3 before multiplying by -16. Remember, the order in which we perform operations can significantly change our result, so using grouping symbols correctly is very important."

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