Math Example: Language of Math--Numerical Expressions--Grouping Symbols--Example 4

Topic

Numerical Expressions

Description

This example demonstrates how to convert the statement "Seventeen over the quantity twenty plus two" into a numerical expression. The solution shows that this can be written as 17 / ( 20 + 2 ). This example reinforces the use of grouping symbols in division expressions and introduces the term "over" as an alternative way to express division.

Understanding how to interpret and construct numerical expressions is a fundamental skill in mathematics. These examples help students bridge the gap between verbal descriptions and mathematical notation, preparing them for more complex problem-solving in algebra and beyond. By practicing with various phrasings and operations, students develop the ability to translate between different representations of mathematical ideas.

Exposure to multiple examples is crucial for students to fully grasp the concept of numerical expressions with grouping symbols. Each new example provides an opportunity for students to apply their understanding, reinforcing the patterns and rules they've learned. This repetition helps students build confidence and fluency in working with mathematical language.

Teacher Script: "Let's look at this example together. We see 'Seventeen over,' which is another way of saying we're dividing 17 by something. The phrase 'the quantity' tells us to group what comes next. So, we put 20 plus 2 in parentheses. Our final expression is 17 / ( 20 + 2 ). Notice how the parentheses ensure we add 20 and 2 before dividing 17 by the result."

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