Adding and Subtracting Integers

If you rewrite the statement 7 - 8, then which statement below is written in the correct format?

• 7 - ( - 8 ) = 15

• 7 + ( - 8 ) = - 1

• 7 - ( + 8 ) = - 1

• 7 + 8 = 15

Tags

CCSS.7.NS.A.1D

If you rewrite the statement 5 - ( - 7 ), then which statement below is written in the correct format?

• 5 - ( - 7 ) = - 12

• 5 + 7 = 12

• 5 + ( - 7 ) = - 2

• 5 - ( + 7 ) = 2

Tags

CCSS.7.NS.A.1B

Solve. 7 + ( - 11 )

• — 4

• 4

• — 18

• 18

Tags

CCSS.7.NS.A.1C

Solve. 14 + ( - 6 ) + 2

• 22

• – 22

• 10

• —10

Tags

CCSS.7.NS.A.1D

Solve. 10 + ( - 4 ) + 3

• — 11

• —9

• 9

• 17

Tags

CCSS.7.NS.A.1C

Add. - 6 + ( - 8 )

• 14

• —14

• 2

• —2

Tags

CCSS.7.NS.A.1C

Stephanie has $152 in the bank. She withdraws $20. Then she deposits $84. Write an addition expression to represent this situation.

• $152 + ( - 20 ) + 84

• —$152 + $20 + ( $84 )

Tags

CCSS.7.NS.A.3

- 2 - ( - 9 )

• 7

• -7

• 11

• -11

Tags

CCSS.7.NS.A.1C

The temperatures on the Moon vary from - 163 degrees Celsius to 137 degrees Celsius. Find the difference between the maximum and the minimum temperatures.

• 137 - ( - 163 ) = 300 degrees Celsius

• 137 + 163 = 300 degrees Fahrenheit

• 137 - ( 163 ) = - 26 degrees Celsius

• 163 - ( - 137 ) = 26 degrees Fahrenheit

Tags

CCSS.7.NS.A.1C

The Commutative Property of Addition states:

• a + ( b + c ) = ( a + b ) + c

• a - b = b - a

• a - ( b - c ) = ( a - b ) - c

• a + b = b + a

Tags

CCSS.1.OA.B.3