Check For Understanding

| –3 |

• 3
• -3
• 0.30
• 30

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 absolute value of |572|.

• 275
• -572
• 57
• 572

The absolute value of zero is zero because...

• Zero is not a number.
• Zero is 0 distance from zero.  It is neither negative or positive.

Find the Absolute Value of -18

• 18
• -18
• 36
• -36

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Is absolute value always positive?

• yes
• no

The absolute value of |3| is -3.

• True
• False

Which of the following is the GREATEST?

• |-2|
• |-4|
• |3|
• |-5|

I 44 I

• 44
• -44