Add/Subtract 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

-8 - (-4) =

• 12
• -12
• 4
• -4

Tags

CCSS.7.NS.A.1C

-7 - 2

• -9
• 9
• 5
• -5

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

Theo had a balance of -$4 in his savings account. After making a deposit, he has $25 in his account. What is the overall change to his account?

• $29
• $25
• $24
• $30

Tags

CCSS.7.NS.A.1A

A sprinkler was -8 feet below ground level. Mr. S has a machine that digs - 2 feet at a time. How many digs does he need to make in order to reach the sprinkler?

• 4
• -4
• 16
• -16

Tags

CCSS.7.NS.A.1C

Stone Mountain, is 1,686 feet above sea level. Lake Lanier’s lowest depth is 160 feet below sea level.  What is the difference between these two elevations?

• 1526
• -1526
• 1846
• -1846

Tags

CCSS.7.NS.A.1C

The temperature at 6:00 was 9 degrees below zero.  The temperature dropped to 11 degrees below zero at 8:00. What is the difference between temperatures? 

• 18 degrees
• 20 degrees
• 2 degrees
• 0 degrees

Tags

CCSS.7.NS.A.1C

Emily is a diver. Today she descended to a depth of 40 feet below sea level. Then she swam up 10 feet and descended another 4 feet. How far below sea level is Emily now?

• -34 feet
• -54 feet
• 54 feet
• -26 feet

Tags

CCSS.7.NS.A.3

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.
• Change subtraction sign 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