subtracting integers

What is the rules for subtracting integers?

• Change to multiplication 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. 

Tags

CCSS.7.NS.A.1C

19 - (-19)

• 0
• 36
• 26
• 38

Tags

CCSS.7.NS.A.1C

I had $-25 in my account.  I deposited $70 into my account.  How much money do I have now?

• $105
• $-45
• $45
• -$105

Tags

CCSS.7.NS.A.1C

The temperature on a cold winter day starts out at 10 degrees, but it drops rapidly 24 degrees due to a strong cold front moving in.  What is the current temperature?

• 14
• 34
• -14
• -34

Tags

CCSS.7.NS.A.3

-7 - (-7)

• 14
• 0
• -14
• 1

Tags

CCSS.7.NS.A.1C

During the week Jimmy spent $45 eating out, gained $55 mowing lawns and spent $15 on gas. What was Jimmy's change in dollars at the end of the week?

• $5
• - $5
• - $15
• $15

Tags

CCSS.7.NS.A.3