Midterm Review-Rational Numbers

In the evening, the temperature was 10°. If the temperature drops to (-2)°, what is the change in temperature?

• (-)12°

• 12°

• 8°

• (-)8°

Tags

CCSS.7.NS.A.1C

A dolphin dives 80 feet below sea level. After chasing a squid, it is now 300 feet below sea level. What is the change in elevation?

• 380 feet

• (-)380 feet

• 220 feet

• (-)220 feet

Tags

CCSS.7.NS.A.1C

From 10:00 p.m. to 4:00 a.m., the temperature dropped by 20°C. If the initial temperature was 20°C, which expression can be used to represent this situation?

• 20 + (−20)

• 20 + 20

• 20 − (−20)

• −20 + (−20)

Tags

CCSS.7.NS.A.3

If you start with a value of 10 on a number line and end at (−2), what is the value of the number that was added to the 10?

• 12

• −12

• −8

• 8

Tags

CCSS.7.NS.A.1B

Which expression illustrates the property of additive inverse?

• -5 + (-5)

• 5 + 5

• -5 + 5

• 5 - (-5)

Tags

CCSS.7.NS.A.1B

The initial balance of a bank account was $500. After which transactions will the balance of the bank account be the same as the initial balance?

• a withdrawal of $300 followed by a deposit of $200

• a deposit of $400 followed by a withdrawal of $400

• a withdrawal of $150 followed by a deposit of $350

• a deposit of $250 followed by a withdrawal of $450

Tags

CCSS.7.NS.A.1A

All have the same value of (10) except:

• 20/2

• -(-20/2)

• 20/-2

• -20/-2

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What value will make the equation true? -4.2 - ___ = 1.3

• 2.9

• -2.9

• 5.5

• -5.5

Tags

CCSS.7.NS.A.1C

• 15

• -15

• -125

• 125

Tags

CCSS.6.EE.A.2C

Which expression can go in the blank to make the equation true? -3.5 + 3.2 + ______ = 0

• -7.7 + 7.4

• -7.7 + 8.0

• 8.2 + (-8.2)

• 8.2 + (-8.3)

Tags

CCSS.7.NS.A.1B