Math Concepts 1- Unit 1 Review

|-20|

• 20
• -20

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

Compare |-5| to the |-10|

• |-5| > |-10|
• |-5| = |-10|
• |-5| < |-10|

What number is the opposite of 2?

• -2

• 2

What number is the opposite of -3?

• -3

• 3

 $-17-\left(-2\right)=$  

• 19

• -19

• 15

• -15

 $7\left(-4\right)=$  

• 3

• -3

• 28

• -28

 $-35\div\left(-7\right)$  

• 5

• -5

• -42

• 42

 $-90+\left(-30\right)=$  

• -60

• 60

• 120

• -120

Subtracting a negative is the same thing as...

• Becoming more negative

• Adding a positive

• Becoming 0

• Impossibility