Introduction to absolute value - Absolute Value
Introduction to absolute value
Lessons
Notes:
In this lesson, we will learn:
- Evaluate the Absolute Value of a Number
- Evaluate the Absolute Value of an Expression
- Comparing Numbers Using Inequality Symbols
- Absolute value:
- The distance of a number from zero
- Is always non-negative (either zero or positive)
- Absolute value of a number is expressed as or
- Absolute value makes a negative number positive. Positive numbers and 0 remain unchanged.
- The distance of a number from zero
- Is always non-negative (either zero or positive)
- Absolute value of a number is expressed as or
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Intro Lesson
Introduction to Introduction to Absolute Value
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1.
Evaluate the Absolute Value of a Number
Evaluate the following absolute values:
i. Using a number line
ii. algebraically
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2.
Evaluate the Absolute Value of an Expression
Evaluate the absolute values of each of the following expressions:
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3.
Comparing Numbers Using Inequality Symbols
Fill in the blanks using one of the inequality symbols >, < or = .
