Integer Operations

-7 + -5

• 12

• 2

• -12

• -2

Tags

CCSS.7.NS.A.1C

-9 + 1

• 10

• -10

• 8

• -8

Tags

CCSS.7.NS.A.1C

8 + -4

• -4

• 12

• 4

• -12

Tags

CCSS.7.NS.A.1C

Positive + Negative

Which statement is NOT true

• The sum could be positive or negative

• You must subtract their absolute values

• Keep the sign of the larger absolute value

• The sum will be negative

-11 - (-4)

• 7
• -15
• -7
• 25

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

17 - 22 = 

• 6
• -5
• 39
• -39

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

When subtracting integers you will do all of these at some point EXCEPT

• Same signs add, Different signs subtract

• Keep the first number

• Change the minus to a plus

• Flip the second number to its opposite

• Same signs positive, Different signs negative

Rewrite the following subtraction problem as addition:     -2 - (-6)

• -2 + 6
• -2 + (-6)
• 2 - (-6)
• 2 + 6

Tags

CCSS.7.EE.A.1

CCSS.7.EE.A.2

CCSS.7.NS.A.1

(-8)(-2)

• -16
• -10
• 10
• 16

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

(12)(-2)

• -24
• -10
• 10
• 24

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3