Math Example: Language of Math--Numerical Expressions--Subtraction--Example 3

Topic

Numerical Expressions

Description

This example demonstrates how to convert the verbal statement "Five less two" into a numerical expression. The word "less" is interpreted as subtraction, resulting in the expression 5 - 2.

Numerical expressions are a crucial concept in mathematics, bridging the gap between everyday language and mathematical notation. This collection of examples helps students learn to interpret various verbal phrases and convert them into precise mathematical expressions. By presenting different ways to express subtraction, such as "less," "minus," and "take away," students develop a comprehensive understanding of how language relates to mathematical operations.

Providing multiple worked-out examples is essential for students to fully grasp the concept of numerical expressions. Each example reinforces the idea that different verbal cues can represent the same mathematical operation. This repetition helps students develop pattern recognition skills and build confidence in their ability to interpret and convert verbal statements into mathematical language.

Teacher Script: "Let's look at another way to express subtraction. When we say 'Five less two,' we're using the word 'less' to mean subtraction. So, we write this as 5 - 2. Notice how 'less' is just another way to say 'subtract' or 'take away.' Can you think of a time when you might use the word 'less' to describe a subtraction situation in real life?"

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