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

How would -9 -(-5) look like as an addition problem?

• -9 + (-5)
• 9 + 5
• -9 + 5
• 9 + (-5)

Tags

CCSS.7.NS.A.1B

What would 12 - 20 look like as a addition problem?

• 12 + (-20)
• -12 + (-20)
• 12 + 20
• -12 + 20

Tags

CCSS.7.NS.A.1B

-8 - (-6) = 

• -14
• 14
• -2
• 2

Tags

CCSS.7.NS.A.1C

48 - (-31) = 

• 17
• -17
• 79
• -79

Tags

CCSS.7.NS.A.1C

18 - 41 = 

• 23
• 59
• -59
• none of these

Tags

CCSS.7.NS.A.1C

-38 - 30

• -8
• -68
• 0
• none of these

Tags

CCSS.7.NS.A.1C

-1 - (-3) = 

• -2
• -4
• 4
• 2

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

The Tigers football team gained 7 yards, lost 8 yards, and then lost 7 more yards.  What is the total result of these three plays?

• a gain of 8 yards
• a loss of 8 yards
• a gain of 22 yards
• a loss of 22 yards

Tags

CCSS.7.NS.A.3