Adding & Subtracting Integers

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

Tags

CCSS.7.NS.A.1C

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Tags

CCSS.7.NS.A.1C

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• 45 degrees
• -45 degrees
• 15 degrees
• -15 degrees

Tags

CCSS.7.NS.A.3

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

-2 + 4 

• -2
• 2
• 0
• -4

Tags

CCSS.7.NS.A.1C

-8 + 13

• 21
• -21
• 5
• -5

Tags

CCSS.7.NS.A.1C

-9 + (-5)

• -14
• 14
• -4

Tags

CCSS.7.NS.A.1C

6 - 9 = ?

• -3
• 3
• 15
• -13

Tags

CCSS.7.NS.A.1C

-7 - 2

• -9
• 9
• 5
• -5

Tags

CCSS.7.NS.A.1C

-5 - (-1) = ?

• 4
• -4
• -6
• 6

Tags

CCSS.7.NS.A.1C