Adding Integers

When you add opposites, what do you get?

• Zero

• A negative number

• It depends on which number has a larger absolute value.

• You cannot add opposites

Tags

CCSS.7.NS.A.1B

-4 + (-3) = ?

Tags

CCSS.7.NS.A.1C

2 + (-8) = ?

Tags

CCSS.7.NS.A.1C

What equation is modeled?

• 7 + -6 = -6

• 7 + -13 = -6

• 7 + -14 = -6

• -6 + -14 = -6

Tags

CCSS.7.NS.A.1B

(-23) + 11 =

• -12

• 12

• -34

• 34

Tags

CCSS.7.NS.A.1C

3 + (-63) =

• -60

• 60

• 66

• -66

Tags

CCSS.7.NS.A.1C

What is the value of the expression? 

• 27

• 9

• -9 

• Not here

Tags

CCSS.7.NS.A.3

(-20) + 41 =

• 21

• -21

• 51

• -51

Tags

CCSS.7.NS.A.1C

Which expression best represents the model?

• -10 x 5

• 5 x -2

• -2 x -5

• -10 x 2

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

An integer problem is modeled on a number line..

Which equation best represents the model?

​ (a)  

• 7 + (-10)=-3

• 7 + (-3) =4

• -3 + 7=10

• 10 + (-3) = 7

Tags

CCSS.7.NS.A.1B