Math Example: Language of Math--Numerical Expressions--Subtraction--Example 8

Topic

Numerical Expressions

Description

This example demonstrates how to convert the verbal statement "Four less seven" into a numerical expression. The word "less" indicates subtraction, resulting in the expression 4 - 7.

Numerical expressions are a fundamental 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 aids in pattern recognition and builds confidence in students' ability to interpret and convert verbal statements into mathematical language.

Teacher Script: "Let's explore another way to express subtraction. When we say 'Four less seven,' we're using 'less' to mean subtraction. So, we write this as 4 - 7. Notice how 'less' is just another way to say 'subtract.' Can you think of a time when you might use 'less' in everyday life?"

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