C-2: Adding Integers

Use this applet to help you with your work if you like:  https://www.geogebra.org/m/K8gAFR7Q

Guided Practice

Perform each addition operation below.  In other words, evaluate each expression.

1.  -85 + (-42)

Screen Shot 2014-06-03 at 10.20.37 AM

 

 

2.  43 + (-95)

Screen Shot 2014-06-03 at 10.20.37 AM

 

 

3.  (-10) + 12 + 19 + (-11) + 12 + (-23)

Screen Shot 2014-06-03 at 10.20.37 AMScreen Shot 2014-06-03 at 10.20.37 AM

Practice Problems

Screen Shot 2014-06-10 at 8.33.56 AM

ANSWER KEY

Extra Practice:  http://www.math-drills.com/integers/integers_addition_negative_parentheses_-99to99_001.pdf

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