Add and Subtract Negatives

When you have the SAME number of POSITIVES and of NEGATIVES, you can cancel them out by making a

" ________ ________ "

EXAMPLE: 5 + (-5)

Tags

CCSS.7.NS.A.1B

Find the solution:

-6 + (- 4) =

Tags

CCSS.7.NS.A.1C

Which pattern applies to this problem: 13 + (- 2) =

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible

Tags

CCSS.7.NS.A.1B

Find the solution:

13 + (- 2) =

Tags

CCSS.7.NS.A.1C

Which pattern applies to this problem:

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible

Tags

CCSS.7.NS.A.1C

Which pattern applies to this problem:

• Same sign: ADD and KEEP

• Different sign: SUBTRACT, KEEP the SIGN of the one with MORE

• This problem is impossible

Tags

CCSS.7.NS.A.1C

Find the Solution:

-5 + 11 =

• -16

• 6

• 16

• -6

Tags

CCSS.7.NS.A.1C

Will the answer be positive or negative:

27 + (- 29) =

• Positive answer

• Negative answer

• This problem is impossible

Tags

CCSS.7.NS.A.1C

Select all the problems where the answer will be POSITIVE:

• -5+(-11)

• 8+(-3)

• 4+12

• -15 + 17

Tags

CCSS.7.NS.A.1C

Select all the problems whose answer will be NEGATIVE:

• 7+ (-3)

• -9 + (-2)

• 17+(-14)

• -8 + 5

Tags

CCSS.7.NS.A.1C