2 - 7

• 5

• 9

• -9

• -5

Tags

CCSS.7.NS.A.1C

-9 + (-2)

• 11

• 7

• -7

• -11

Tags

CCSS.7.NS.A.1C

To add integers with the SAME sign,

• subtract and make it negative.

• add the integers and keep the sign.

• add the numbers and it’s always positive.

• subtract the numbers and it’s always zero.

Tags

CCSS.7.NS.A.1C

-7 - (-7)

• 0

• 14

• -14

• 7

Tags

CCSS.7.NS.A.1C

Multiplying integers with the SAME sign;

• The answer is always positive.

• The answer is always negative.

• The answer is seldom positive.

• The answer is sometimes negative.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

 $-5+15=$  

Tags

CCSS.7.NS.A.1C

 $7-14=$  

Tags

CCSS.7.NS.A.1C

 $8-(-3)=$  

Tags

CCSS.7.NS.A.1C

 $(-3)(-5)=$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

 $-3+10\ =$  

Tags

CCSS.7.NS.A.1C