Unit 1A Remediation Add/Subtract Rational Numbers

What is an integer?

• A fraction

• A decimal

• The number zero

• A positive or negative whole number, including zero

What is the opposite of negative?

• Negative

• Positive

• Zero

• It doesn't have an opposite

What is the opposite of positive?

• Negative

• Positive

• Zero

• It doesn't have an opposite.

What situation best describes a zero pair?

• You lost $5 then you spent $6.

• You had 2 dogs and then you got 2 more dogs.

• You had 4 apples and then you ate 4 apples.

• You owed $7 then you found a ten dollar bill.

What is the best definition of a Zero Pair?

• Subtract a number and it's "opposite" to 0.

• A pair of zeros.

• A number and it's "opposite" add up to make 0.

• Two numbers

When you add integers with the same sign, what do you do? 

• add and keep the sign

• subtract and keep the sign of the larger

• multiply and keep the sign

• subtract and keep the sign of the smaller

What do you do when you are adding integers with different signs? 

• (-) and keep sign of smaller number

• (-) and keep sign of larger number

• (+) and keep sign of smaller number number

• (+) and keep sign of larger number 

-9 + (-5)

• 14

• -14

• -4

• 4

-8 + 20

• 12

• -12

• 28

• -28

-5 - (-17) ... Which addition sentence represents the same problem?

• -5 + 17

• -5 + (-17)

• 5 + (-17)

• 5 + 17