Math Example: Language of Math--Numerical Expressions--Grouping Symbols--Example 29

Topic

Numerical Expressions

Description

This example illustrates converting "Negative fifteen times the quantity fifteen minus negative seven" into a numerical expression. The expression is written as -15 * (15 - (-7)), using multiplication and grouping symbols.

The concept of numerical expressions forms a foundation in mathematics, enabling students to convert verbal descriptions into precise mathematical notation. This collection provides valuable practice in identifying key terms and applying correct symbols and groupings, essential skills for solving complex problems. Through these exercises, students improve their ability to interpret and express mathematical relationships accurately.

Seeing multiple worked-out examples is crucial for understanding numerical expressions fully. Each example offers an opportunity for practicing recognition of key terms, comprehension of their significance, and application of suitable symbols. This repetition aids proficiency in translating verbal statements into accurate mathematical expressions.

Teacher Script: "Let’s work through this example together. What does 'times' suggest about our operation choice? And how should 'the quantity' be represented? Consider why parentheses are necessary here. How do they influence our calculation sequence?"

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