Adding and Subtracting Signed Numbers

When adding numbers with the same sign, I __________ the numbers.

• add

• subtract

Tags

CCSS.7.NS.A.1C

When adding numbers with different signs, I ___________ the numbers.

• add

• subtract

Tags

CCSS.7.NS.A.1C

When subtracting numbers, first I must _____________.

• add them

• subtract them

• Keep, Change, Change

• Keep it, Flip it, Change it

Tags

CCSS.7.NS.A.1C

-4  +  2

• 2
• -6
• -2
• 6

Tags

CCSS.7.NS.A.1C

-7 - (-6)

• 1

• 13

• -13

• -1

Tags

CCSS.7.NS.A.1C

0 - 7

• -7

• 0

• 7

• 1

Tags

CCSS.7.NS.A.1C

4 + (-2)

• 6

• 2

• -6

• -2

Tags

CCSS.7.NS.A.1C

5 - 7

• -2

• 12

• 2

• -12

Tags

CCSS.7.NS.A.1C

1 + (-4)

• 3

• -3

• 5

• -5

Tags

CCSS.7.NS.A.1C

-3 - 9

• 12

• 6

• -12

• -6

Tags

CCSS.7.NS.A.1C