Addition of Integers

To solve - 9 + (- 2), what would you do?

• Same sign add, and get -11.

• Different signs subtract, and get 7.

• Different signs subtract, and get - 7.

Tags

CCSS.7.NS.A.1C

To solve 9 + ( -2), you would:

• Same signs, add to get 11.

• Different signs subtract, and get 7.

• Different signs subtract and get -7.

Tags

CCSS.7.NS.A.1C

To solve: ( - 5) + (- 5)

• Same sign add, and get 10

• Same sign, add and get -10

Tags

CCSS.7.NS.A.1C

To solve. 5 + 13

• Same sign add, and get 18

• Same sign add, and get. -18

Tags

CCSS.7.NS.A.1C

8 + ( -7 ) = -15

• True

• False

Tags

CCSS.7.NS.A.1B

8 + ( - 7 ) = 1

• True

• False

Tags

CCSS.7.NS.A.1B

(- 6) + ( - 2 ) = - 8

• True

• False

Tags

CCSS.7.NS.A.1D

( - 3 ) + ( -2 ) =

• 1

• 5

• -5

Tags

CCSS.7.NS.A.1C

Pick correct solution

• ( -2) + ( -5) = 3

• ( -2) + ( -5) = 7

• ( -2 ) + ( -5 ) =. - 7

• not here

Tags

CCSS.7.NS.A.1B

Which expressions give you sum of - 5?

(you can check more than 1)

• -4 + ( - 1 )

• - 3 + ( - 2)

• - 3 + 2

• 4 + 1

Tags

CCSS.7.NS.A.1C