Add and Subtract Rational Numbers and Integers

-23 + 51

• -74

• 28

• 41

• 51

Find the difference of 7/10 - 9/10

• 5

• -1/5

• -8/5

• 8/5

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 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 with different signs you....

• subtract and take the sign of the one you have more of

• add the opposite

• add and keep the sign

• subtract and keep the sign

Any number that can be written as a fraction

• opposite

• rational number

• absolute value

• Integer

-1/2 - (-5/9)

• 1/18

• -1/18

• 6/11

• 4/18

Answer explanation

Correct answer 1/18

-3 - 5 = 2

• True

• False

-3 - 11

• 8

• -14

• 14

• -8

What is additive inverse?

• Distance from zero on the number line

• adding any two numbers

• the opposite of adding

• number added to its opposite to total zero