Adding and subtracting positive and negative numbers

4 + (-5) =

• -9

• -1

• 1

• 9

Answer explanation

Adding a negative number = subtracting the additive inverse

Tags

CCSS.7.NS.A.1C

7,5 - 11 =

• 3,5

• -18,5

• -2,5

• -3,5

Answer explanation

First subtract 7,5 to get to 0. Then subtract remaining 3,5 to get -3,5

Tags

CCSS.7.NS.A.1C

9 + (-4) =

• 5

• -5

• 13

• -13

Tags

CCSS.7.NS.A.1C

-3 - 6 =

• 3

• -3

• -9

• 9

Tags

CCSS.7.NS.A.1C

-5 + (-7) =

• 12

• -2

• -12

• 2

Tags

CCSS.7.NS.A.1C

-3,5 + (-6,5) =

• -10

• -9

• 3

• 10

Tags

CCSS.7.NS.A.1C

3 - (-8) =

• -5

• -11

• 5

• 11

Answer explanation

Subtracting a negative number = adding the additive inverse

Tags

CCSS.7.NS.A.1C

4,5 - (-6,3) =

• -10,8

• 10,8

• -1,8

• -2,2

Tags

CCSS.6.NS.C.8

-2 - (-7) =

• -11

• 11

• -5

• 5

Tags

CCSS.7.NS.A.1C

-5,5 - (-9,5) =

• 4

• 5

• -15

• 15

Tags

CCSS.7.EE.B.3