7th Grade Math Review: The Number System

Which of the following situations involve opposite quantities combining to make 0?

• Angel has a new piggy bank. She adds 3 quarters on Tuesday and adds another 3 quarters on Thursday.

• Javaughn opens a new bank account with $30, the deposits another $30 into his account.

• The temperature was 4^o, then decreased 4^o over the next hour.

• Deshaun had a bank account balance of -$13, then deposited $13 into his account.

Tags

CCSS.7.NS.A.1A

What sum does the number line represent?

• -11 + (-9)

• -11 + 9

• -11 + (-2)

• -11 + (2)

Tags

CCSS.7.NS.A.1B

The temperature in Franklin County is -5^oC. The temperature in Silver City is four degrees less. What is the temperature in Silver City?

• -9

• -4

• -5

• 9

• 1

Tags

CCSS.7.NS.A.1C

Sayra's checking account balance was $24. She withdrew $46 from her account. What is her account balance after the withdrawal?

• -$22

• -$70

• -$12

• $22

• $70

Tags

CCSS.7.NS.A.1C

The ABC Corporation had a profit of $3,476 in February. They had a loss of -$4,509 in March. What was their total income or loss over the two months?

• $7,985

• -$1,033

• $1,033

• -$7,985

• -$2,039

Tags

CCSS.7.NS.A.3

Hebert currently has a balance of -$4.00 in his checking account. His bank requires him to maintain a minimum balance of $20.00. How much money does Hebert need to deposit into his account to reach the minimum balance?

• $16

• $4

• $24

• $20

Tags

CCSS.7.NS.A.3

A helicopter is flying 458 feet above sea level. A submarine is submerged in water directly under the helicopter at an elevation of -120 feet. What is the distance between the helicopter and the submarine?

• 578 feet

• 338 feet

• 458 feet

• 538 feet

• 1,048 feet

Tags

CCSS.7.NS.A.1C

What is an equivalent expression for 5-9?

• 9 + (-5)

• 5 - (-9)

• 9 - 5

• 5 + (-9)

Tags

CCSS.7.NS.A.1B

Which expressions below are equivalent to the expression  $-16-\left(-25\right)$  ?

• -16 + 25

• 25 - 16

• 25 + (-16)

• -25 + (-16)

Tags

CCSS.7.NS.A.1D

Which two points on the number line could be combined to have a sum of zero?

• "a" and "c"

• "c" and "d"

• "a" and "e"

• "b" and "e"

Tags

CCSS.7.NS.A.1B