Adding and Subtracting Integers

-6 − 2

• 8

• -4

• 4

• -8

Tags

CCSS.7.NS.A.1C

10 + 5 − (-2)

• 17

• 13

• -17

• -13

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.1C

On Friday, Elsa made withdrawals of $50, $60, and $17 from her savings account. On Monday she made a deposit of $135. How much money is now in Elsa's savings account?

• $262
• $8
• -$8
• -$262

Tags

CCSS.7.NS.A.3

On Friday, Elsa made withdrawals of $50, $60, and $17 from her savings account. On Monday she made a deposit of $135. How much money is now in Elsa's savings account?

• $262
• $8
• -$8
• -$262

At 10 p.m. the temperature in Agrabah (where Aladdin lives) was 15 degrees C. By midnight (12 at night), the temperature was -10 degrees C. Write an integer to represent the temperature change from 10pm to midnight.

• -25 degrees
• 25 degrees
• -10 degrees
• 10 degrees

Tags

CCSS.7.NS.A.1C

Joy earned 13 points in her first round and -21 points in her second turn. What was her score after 2 turns?

• 34
• 8
• -34
• -8

Tags

CCSS.7.NS.A.1C

The temperature at the beginning of the day was 6 degrees F. The temperature dropped 9 degrees F by the end of the day. What was the temperature at the end of the day?

• 3
• -3
• 15
• -15

Tags

CCSS.7.NS.A.1C

• 7
• 5
• -7
• -5

Tags

CCSS.7.NS.A.1C

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