Exploring Opposites and Absolute Value

This video tutorial covers lesson 4.2 on opposites and absolute value. It begins with an introduction to the lesson and required materials, followed by an explanation of opposite integers using examples. The video then delves into negative notation and its implications, providing practical examples involving sandcastles and integer operations. Finally, the concept of absolute value is explained, highlighting its properties and representation on the number line. Students are encouraged to fill out notes and complete practice work available on Google Classroom.

What are two numbers called when they are the same distance from zero on the number line?

• Similar

• Equal

• Opposites

• Identical

What is the opposite of -4?

• 0

• -4

• -8

• 4

What does the notation -(-2) represent?

• -2

• 2

• -4

• 0

If an integer is written as -(-X), what does it mean?

• It is always negative

• It is undefined

• It is zero

• It is always positive

If Kellen's sandcastle is 17 cm tall, what integer represents the depth of the moat?

• 17 cm

• -17 cm

• 34 cm

• 0 cm

What is the value of -(-(-3))?

• 3

• -3

• 0

• -9

What does the absolute value of a number represent?

• The square of the number

• The distance from zero on the number line

• The negative of the number

• The number itself

How is the absolute value of a number represented?

• With square brackets

• With parentheses

• With two vertical lines

• With curly braces

What is the absolute value of -4?

• -4

• 4

• 0

• 8

What is the absolute value of 2?

• -2

• 0

• 2

• 4