Math Example: Language of Math--Numerical Expressions--Multiplication--Example 18

Topic

Numerical Expressions

Description

This example demonstrates converting "Three by negative two" into a numerical expression. The word "by" indicates multiplication, resulting in the expression 3 * (-2).

Understanding numerical expressions is crucial for translating verbal descriptions into mathematical operations. This collection helps students identify phrases that signify multiplication, including those involving negative numbers.

Seeing multiple examples is essential for grasping numerical expressions. Each example reinforces core principles and introduces variations, aiding students in developing a flexible understanding of mathematical language.

Teacher Script: "The word 'by' often indicates dimensions and multiplication. Keep the negative sign with its number. Can you think of real-life situations using 'by' for multiplication?"

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