Evaluating Operations with Integers

When you add integers with the same sign...

• you always get a positive

• you always get a negative

• you add and keep the sign

• you subtract and take the sign of the larger number

• you keep, change, change

Tags

CCSS.7.NS.A.1C

(4)(-7)

• -11

• 28

• 11

• -28

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-9)(-8)

• -72

• 72

• 17

• -17

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

When you multiply or divide and signs are different, you get a...

• Positive

• Negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

When you multiply or divide and signs are the same, you get a...

• Positive

• Negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

12 - (-5)

• -17

• 7

• -7

• 17

Tags

CCSS.7.NS.A.1C

15 + (- 9)

• 24

• 6

• -6

• -24

Tags

CCSS.7.NS.A.1C

-7 + (-10)

• 17

• -3

• -17

• 3

Tags

CCSS.7.NS.A.1C

-9  +  6

• 15

• -3

• -15

• 3

Tags

CCSS.7.NS.A.1C

-3 - 9

• 12

• 6

• -12

• -6

Tags

CCSS.7.NS.A.1C