Adding and Subtracting Integers LearnCheck

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test.  Which equation best describes Bob progress on his math test?

• 5 + 9 = 14
• -5 + -9 = -4
• -5 + -9 = -14
• 5 + -9 = -4

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

 $-4-\left(-7\right)$  

• 11

• -11

• 3

• -3

-28 + (-90)

• 62

• -62

• -118

• 118

When you add opposites, what do you get?

• 0
• A negative number
• Attraction
• You cannot add opposites

Which problem does not have a sum of (-4)?

• (-9) + (-5)
• 3 + (-7)
• (-9) + 5 
• (-3) + (-1)

On the first play of a game, a running back gained 7 yards. On the next play, he lost 19 yards. Find the change in yards in the two plays. 

• 26 yards
• -26 yards
• 12 yards
• -12 yards

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−8 − 5

• 8 + 5
• 8 + (−5)
• −8 + 5
• −8 + (−5)

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
7 − 12

• 7 + 12
• 7 + (−12)
• −7 + 12
• −7 + (−12)

Which are the correct steps for rewriting a subtraction problem into addition?

• 1) Keep first number the same
  2) Keep Subtraction sign
  3) Change second number to opposite
• 1) Keep first number the same
  2) Change Subtraction into Addition
  3) Change second number to opposite
• 1) Change the first number into the opposite
  2) Change Subtraction to Addition
  3) Keep second number the same
• 1) Change the first number into the opposite
  2) Change Subtraction to Addition
  3) Change second number to opposite