Adding Integers

Adding Integers with the SAME SIGN is easy. For example, 5 + 2 = 7. When you add integers with the SAME SIGN, you simply ______________________________.

• Add the numbers and CHANGE the sign

• Add the numbers and KEEP the sign

Tags

CCSS.7.NS.A.1C

Adding integers with DIFFERENT SIGNS is difficult. For example, 3 + (-1) = 2. You need to draw the POSITIVE & NEGATIVE COUNTERS, then cross out the _________________. The ANSWER is the number of leftovers with the associated sign.

• zero pairs

• ordered pairs

Tags

CCSS.7.NS.A.1C

6 + 2 =

• -4

• 4

• 8

• -8

Tags

CCSS.7.NS.A.1C

-2 + -4 =

• 6

• -6

• 2

• -2

Tags

CCSS.7.NS.A.1C

1 + 7 =

• 8

• -8

• 6

• -6

Tags

CCSS.7.NS.A.1B

-7 + -3

• -4

• 4

• 10

• -10

Tags

CCSS.7.NS.A.1C

-8 + 3 =

• 5

• -5

• 8

• -8

Tags

CCSS.7.NS.A.1C

1 + -9

• -8

• 9

• 8

• 1

Tags

CCSS.7.NS.A.1C

6 + -5 =

• 6

• -1

• 1

• 5

Tags

CCSS.7.NS.A.1C

-4 + 8 =

• -8

• -4

• 8

• 4

Tags

CCSS.7.NS.A.1C