Week 2~ Extended Learning Integer Operations

-1 + (-5) + 3 = ?

• -3
• -6
• 3
• 9

7 + 2 + (-10) = ?

• 4
• 1
• -1
• 19

10 + (-4) = ?

• -6
• 6
• 14
• -14

-8 + 20

• -28
• 28
• 14
• 12

(-28) + (-90)

• 62
• -62
• -118
• 118

2 - (-2) = 

• 0
• 4
• -4
• -2

-1 - 10 = 

• -9
• 9
• -11
• 11

-8 - (-6) = 

• -14
• 14
• -2
• 2

48 - (-31) = 

• 17
• -17
• 79
• -79

What is the rule for subtracting integers?

• Keep the subtraction sign and use the opposite of the second number.

• Change to addition and use the opposite of the second number.
• Find the opposite of both numbers and then add. 
• Subtract like normal and keep the larger sign.