Display Title
Math Example: Language of Math--Numerical Expressions--Subtraction--Example 18
Display Title
Math Example: Language of Math--Numerical Expressions--Subtraction--Example 18
Topic
Numerical Expressions
Description
This example presents converting "Nineteen less negative seventeen" into a numerical expression. The word "less" indicates subtraction, resulting in the expression 19 - (-17).
Numerical expressions are vital for translating everyday language into mathematical notation. This collection helps students learn how to interpret various verbal phrases and convert them into accurate mathematical expressions. By exploring different ways to express subtraction, such as using "less," students understand how language affects operations.
The significance of multiple worked-out examples lies in reinforcing concepts for students. Each example highlights that different verbal cues can represent the same operation, enhancing pattern recognition and boosting confidence in interpreting statements correctly.
Teacher Script: "Let's examine how 'less' indicates subtraction with negatives. When we say 'Nineteen less negative seventeen,' we're subtracting a negative number, which is like adding a positive one. So, we write this as 19 - (-17). Can you think of other phrases that mean the same thing?"
For a complete collection of math examples related to Numerical Expressions click on this link: Math Examples: Numerical Expressions: Subtraction Collection.
Common Core Standards | CCSS.MATH.CONTENT.5.OA.A.2, CCSS.MATH.CONTENT.6.EE.A.2 |
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Grade Range | 6 - 8 |
Curriculum Nodes |
Algebra • The Language of Math • Numerical Expressions |
Copyright Year | 2015 |
Keywords | numerical expressions, subtraction expressions |