Adding and Subtracting Integers with Models

• -7 + 4 = -3
• 7 + (-4) = 3
• 7 - 4 = 11
• 7 + (-4) = -11

Tags

CCSS.7.NS.A.1B

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.1B

Use the number line to find the sum.
-8 + 3 =

• -5

• 5

• -11

• 11

Tags

CCSS.7.NS.A.1B

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

Which of the following expressions best represents the model?

• 5 - 7

• 5 - 12

• -7 + 12

• -7 + 5

Tags

CCSS.7.NS.A.1B

Which expression represents a temperature starting in the morning at 12 degrees below zero rising 14 degrees at noon, and falling 5 degrees that night?

• 12 + 14 + (-5)

• - 12 + 14 + 5

•  12 + (-14) + (-5)

• - 12 + 14 + (-5)

Tags

CCSS.7.NS.A.3

When a submarine starts at sea level, goes down 250 feet, rises 80 feet, and descends another 18 feet, how would this be shown mathematically?

• 250 + 80 + (-18)

• -250 + 80 - (- 18)

• 250 + -( 80) + (- 18)

• -250 + 80 + (-18)

Tags

CCSS.7.NS.A.3

Which of the following expressions best represents the model?

• -6 + 3

• 3 - 6

• -6 - (-3)

• -3 - 6

Tags

CCSS.7.NS.A.1B

-9 + (-5)

• -14

• 14

• -4

Tags

CCSS.7.NS.A.1C

-5 + 6 + -3 =

• -8

• 2

• -2

• -4

Tags

CCSS.7.NS.A.1C