Adding and Subtracting Rational Numbers

Find 6.23 - 7.5

• -13.73

• 1.3

• -1.27

• 1.27

Tags

CCSS.7.NS.A.1C

−28 + (−8)=

• 36

• −36

• −20

• 20

Tags

CCSS.7.NS.A.1C

The temperature was 3* C on Monday and was 7.5 degrees lower the next day. What was the temperature on Tuesday?

 

• 10.5* C

• 4.5* C

• -4.5* C

• -10.5* C

Tags

CCSS.7.NS.A.1C

What is the distance between temperatures if the high temperature is 78 degrees and the low temperature is -23 degrees?

• 55 degrees

• 101 degrees

• 45 degrees

• 91 degrees

Tags

CCSS.7.NS.A.1C

What is the sum of any number and its opposite?

• negative number

• positive number

• zero

Tags

CCSS.7.NS.A.1B

Which of the diagrams correctly represents -4 + 5 + (- 2)?

• diagram A

• diagram B

Tags

CCSS.7.NS.A.1B

What is the distance between -5 and 5 on a number line?

• 0 unit

• 5 units

• 10 units

• -10 units

Tags

CCSS.7.NS.A.1C

Complete.

-5-(-10)=​ (a)   +​ (b)  

• 5
• -10
• -5
• 10

Tags

CCSS.7.NS.A.1C

Match the following with the correct operation and sign of the answer.

• subtract, positive

• -717 + 927

• add, negative

• -1239 + 904

• add, positive

• 3 + 5

• subtract, negative

• -762 + (-481)

Tags

CCSS.7.NS.A.1D

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.1C