Adding and Subtracting Rational Numbers

-19 -10= 

• 9
• -9
• -29
• 29

 ¼ − (-¾)= 

• -1/2
• 4/0
• 1
• None of the above

−28+(−8)=

• 36
• −36
• −20
• 20

2/4 + -5/4

• -7/4
• 3/4
• -3/4
• -7/8

What is the value of | –7 |?

• 7
• – | –7 |
• 14
• –7

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

When adding decimals with the same sign you.....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

When adding decimals with different signs you....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

-13 - (-4) = 

• -9
• -17
• 9
• -8

2 3/4 - (-1/4) = 

• 2  1/2
• 3  1./4
• 3
• -3