Multi-Step Addition & Subtraction of Integers

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Jack works as an underwater photographer. He starts at a position that is 15 feet below sea level. He rises 9 feet, then descends 12 feet to take a photo of a coral reef. Select the correct expression to find Jack's position relative to sea level when he took the photo.

• 15 + 9 - 12

• -15 + 9 + 12

• -15 + 9 - 12

• 15 - 9 - 12

Tags

CCSS.7.NS.A.3

Find the value of the expression: -15 + 9 - 12 = (a)  

Tags

CCSS.7.NS.A.1C

Which of the following expressions has the least value?

• 5 – 7 + (-12)

• 5 – 7 – (-12)

• 5 + 7 – (-12)

• 5 + 7 + (-12)

Tags

CCSS.7.NS.A.3

The temperature on a winter night was -23 °F. The temperature rose by 5 °F when the sun came up. When the sun set again, the temperature dropped by 7 °F. Select the correct expression to find the temperature after the sun set.

• 23 + 5 + 7

• -23 - 5 + 7

• -23 - 5 - 7

• -23 + 5 - 7

Tags

CCSS.7.NS.A.3

Find the value of the expression: -23 + 5 - 7 = (a)  

Tags

CCSS.7.NS.A.1C

Chris earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more points. Select the correct expression to find his final score in the video game.

• -50 + 40 + 87+ 30

• 50 - 40 + 87 - 30

• -50-40-87-30

• 50 + 40 + 87 + 30

Tags

CCSS.7.NS.A.3

Find the value of the expression: 50 - 40 + 87 - 30 = (a)  

Tags

CCSS.7.NS.A.3

A seal is swimming in the ocean 5 feet below sea level. It dives down 12 feet to catch some fish. Then, the seal swims 8 feet up toward the surface with its catch. What is the seal’s final elevation relative to sea level?

• 9 feet below sea level

• 9 feet above sea level

• 15 feet above sea level

• 1 foot below sea level

Tags

CCSS.7.NS.A.3

Amanda has a checking account. On Monday she writes a $160 check for groceries. Then she deposits $200. Finally she writes another check for $90. What was the total change in the amount in Amanda's checking account?

• The amount in the account increased by $270.

• The amount in the account increased by $50.

• The amount in the account decreased by $50.

• The amount in the account decreased by $450.

Tags

CCSS.7.NS.A.3