Adding and Subtraction Up to 100

Using additive inverse, write this problem as an addition problem.

-22 - (-7)

• -22 + 7

• -22 + (-7)

• 22 + 7

• 22 + (-7)

what is -22 - (-7)

• -15

• -29

• 15

• 29

Using additive inverse, write this subtraction problem as an addition problem.

15 - 45

• 15 + 45

• 15 + (-45)

• -15 + 45

• -15 + (-45)

• 15 - 45

Solve the expression below.

-10 + (-30) - (50) + 100 - (-20)

• 30

• 130

• 90

• -10

• -90

How do you find distance between numbers?

• Subtract and take the absolute value.

• Multiply.

• Divide

• Make mixed numbers.

When adding integers, if the sign is the SAME, you...

• Add the numbers

• Subtract the numbers

When adding integers with the SAME sign, the answer...

• Takes the sign of the bigger number

• Keeps the same sign

Which of the following expressions best represents the model?

• -7 - 5

• -7 + 5

• 7 - 5

• -5 - (-7)

24 + -8 =

• 16

• -16

• 32

• -32

Roger owes his mom $5.  He borrows another $6 from her.  How much does Roger owe his mother? 

• $11

• $1

• $6
  $6