Adding and Subtracting Rational Numbers.

The temperature outside was 15 degrees. It dropped to -12 degrees at night. How much did the temperature change?

• -3 degrees

• -27 degrees

• 3 degrees

• 27 degrees

Tags

CCSS.7.NS.A.1C

If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder. What is the temperature in Moscow?

• -3 degrees
• -13 degrees
• 3 degrees
• 13 degrees

Tags

CCSS.7.NS.A.1C

At the beginning of the week I had $100 in my bank account. By Friday, I had a debt of $20. What integer represents the CHANGE in the amount of money I have?

• 120

• -120

• 80

• -80

Tags

CCSS.7.NS.A.1A

The record high January temperature in Coppell, Texas, is 85 °F. The record low January temperature is -3 °F. Find the difference between the high and low temperatures.

• 88°F
• 98°F
• 94°F
• 82°F

Tags

CCSS.7.NS.A.1C

-51 + 81.623

• 30.623
• -30.623
• 132.623
• -132.623

Tags

CCSS.7.NS.A.1C

4.16 - 9.043

• -4.883
• 13.203
• 4.883
• -13.203

Tags

CCSS.7.NS.A.1C

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• 45 degrees
• -45 degrees
• 15 degrees
• -15 degrees

Tags

CCSS.7.NS.A.3

Find the value of the expression (-8.6) + 7.2

• -1.4

• 1.4

• 15.8

• -15.8

Tags

CCSS.7.NS.A.1C