Warm Up Use <, > or = to complete each statement:

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Presentation transcript:

Warm Up Use <, > or = to complete each statement: -6……...-3 2……...-15 -5……...|5| |10|……...|-10| |9|……...|-2| |-8|……...|10|

Adding Integers

Let black blocks represent positive numbers. 4  7  2 

Let red blocks represent negative numbers. -5  -1  -6 

Adding Same Sign Integers When you add integers of the same sign, the sum also has that sign. 4 + 2 = 6  +  = 

Adding Same Sign Integers When you add integers of the same sign, the sum also has that sign. -3 + -5 = -8  +  = 

Try some! Find the sum of the following: 7 + 4 -3 + -2 -4 + -3

When you combine blocks with opposite signs, they cancel each other out. 4 + -9 +  = -5

You try! Add the following: 6 + (-4)  + 

Let’s practice! 5 + (-11) (-8) + 13 (-3) + 7 (-4) + (-5) + 15 6 + (-4) Add the following integers, using blocks if needed. 5 + (-11) (-8) + 13 (-3) + 7 (-4) + (-5) + 15 6 + (-4)