Math Problem Statement

which number has a lesser magnitude -20 and -30

Solution

The number with the lesser magnitude between -20 and -30 is -20.

Magnitude refers to the absolute value of a number, which measures its distance from zero on the number line. The absolute value of -20 is 20, and the absolute value of -30 is 30. Since 20 is smaller than 30, -20 has the lesser magnitude.

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Here are 5 related questions to expand on this:

  1. What is the absolute value of a number?
  2. How do negative numbers affect magnitude comparison?
  3. How can you compare two negative numbers?
  4. What is the magnitude of zero?
  5. What are real-life examples of magnitude in mathematics?

Tip: When comparing magnitudes, always convert numbers to their absolute values.

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Math Problem Analysis

Mathematical Concepts

Absolute Value
Magnitude
Negative Numbers

Formulas

|x| (absolute value of x)

Theorems

Properties of Absolute Values

Suitable Grade Level

Grades 5-7