Add, Subtract, Multiply, and Divide Negative Integers

After I add the values, as in

6 + 7 or -6 + (-7)

How do I know which sign to use?

• always make it positive

• I look for the higher value

• I keep the sign the same

Tags

CCSS.7.NS.A.1C

-3 + (-4) = _____

• 1

• -1

• 7

• -7

Tags

CCSS.7.NS.A.1C

Difference means to :

• add

• multiply

• divide

• subtract

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

So 5 + (-7) = _____________

• 2

• -2

• 12

• -12

Tags

CCSS.7.NS.A.1C

When we add a positive and a negative number, we must subtract 1st. How do we know which sign to use for our answer?

• which sign has the larger value

• It will be the one that we see first

• It is always positive

• It is always negative

Tags

CCSS.7.NS.A.1C

2 - 7

• 5

• 9

• -9

• -5

Tags

CCSS.7.NS.A.1C

6 + (-4)

• 2

• -2

• 10

• -10

Tags

CCSS.7.NS.A.1C

-9 + (-2)

• 11

• 7

• -7

• -11

Tags

CCSS.7.NS.A.1C

-4 + 10

• 14

• -14

• 6

• -6

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