Magnitude and Absolute Value

Evaluate each expression.
| 9 |

• 0.9
• 9
• -9
• 90

| –3 |

• 3
• -3
• 0.30
• 30

Which is the greatest integer?

• -33
• -31
• -28
• -17

Which is the least integer?

• 1
• -1
• -2
• -8

Which statement is true?

• The absolute value of 3 is -3
• The opposite of 7 is 7
• The absolute value of 5 is equal to the opposite of 5
• The opposite of -4 is equal to the absolute value of -4

Which answer has the integers in order from least to greatest?

• − 9,   -5,  -3, 0,  4,  3
• − 9,   -5,  -3, 0,  3,  4
• − 5,   -9,  -3, 0,  4,  3
•  3, 4, 0, -3, -5, -9

What's a way to define absolute value?

• The value of a number
• The opposite of a number
• The distance of a number from zero
• The multiplicative inverse of a number

What is the opposite of -3?

• 3
• 0
• -1/3
• 1/3

Darrel is currently 20 feet below sea level. Which correctly describes the opposite of Darrel's elevation?

• 20 feet below sea level
• 20 feet above sea level
• 2 feet below sea level
• At sea level

Boston has a temperature of -20 degrees. It is colder in New York than in Boston. Select the value that could represent the temperature of New York

• 0
• 30
• -30
• -19