Quizizz: Adding and Subtracting Rational Numbers

Which of the expression is the same as 9 - 10?

• 9 - (-10)

• 9 + (-10)

• -9+10

• -9 - (-9)

Answer explanation

Leave the first number the same and add its opposite when subtracting.

Instructions down below:

Reorder the following: 12 + 12 into a subtraction problem.

• -

• (-12)

• =

• 12

• 24

Instructions down below:

Rewrite the expression as a subtraction problem and simplify your expression:

-100.25 + (-12.50)

Which of the expression is the same as (-9) - (-7)?

Warning: There is more than one correct answer.

• 9 + (7)

• (-9) + 7

• -9 + 7

• 9 + (-7)

Answer explanation

Leave the first number the same and add its opposite when subtracting.

True or False: Can we rewrite any subtraction problem as an addition problem?

• True

• False

• Maybe

Instructions down below:

Instructions down below: