Absolute Value (Lightening Round)

Absolute Value (Lightening Round)

"6" is 6 away from zero,

and "−6" is also 6 away from zero.

So the absolute value of 6 is 6,

and the absolute value of −6 is also 6

Multiple Choice

What is the absolute value of |55|?

• -55

• 45

• 55

• --55

Multiple Choice

What is the absolute value of | 8 |?

• 8

• -8

• 0

• 16

Multiple Choice

what is the absolute value of -|24|?

• -24

• 24

• 98

• 11

Multiple Choice

what is the absolute value of -|14|?

• 14

• 21

• 33

• -14

More Examples:

• The absolute value of −9 is 9

• The absolute value of 3 is 3

• The absolute value of 0 is 0

• The absolute value of −156 is 156

Multiple Choice

What is the definition of absolute value?

• The distance a number is to zero

• A positive number

• A number that has a value with a different sign

No Negatives!

• "Absolute value" means to remove any negative sign in front of a number, and to think of all numbers as positive (or zero)

Multiple Choice

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.

Multiple Choice

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

Absolute Value Symbol

To show that we want the absolute value of something, we put "|" marks either side (they are called "bars" and are found on the right side of a keyboard), like these examples:

|−5| = 5|7| = 7

Multiple Choice

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

Multiple Choice

Bonus Question: Solve

• 2

• -2

• 6

• -6

Multiple Choice

Find the absolute value

• -43

• 43

• -43 and 43

• 1/43

Multiple Choice

Is absolute value always positive?

• yes
• no

Multiple Choice

What is the absolute value of | -7 |?

• -7

• 7

• -7 and 7

Fill in the Blanks

Absolute value refers to the ––– between a number and 0 on the number line