Adding Integers 7.NS.1. Warm Up 1.What is the relationship of 4 and -4? 2.What happens when we add 4...
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Transcript of Adding Integers 7.NS.1. Warm Up 1.What is the relationship of 4 and -4? 2.What happens when we add 4...
Adding Integers
7.NS.1
Warm Up
1. What is the relationship of 4 and -4?2. What happens when we add 4 and then
subtract 4 to a number? Show this on a number line.
Definitions
• Additive Inverses• Opposites• Zero Pairs
Adding Integers Using Counters
• Yellow counters represent +1• Red counters Represent -1http://learnzillion.com/lessons/1023-add-integers-using-color-counters
Adding Integers of the Same Sign Using Counters
What is a zero pair?
You Try It
Again…
Adding Integers of the Same sign
• http://learnzillion.com/lessons/1024-add-integers-with-the-same-sign
Adding Integers of Different Signs
• http://learnzillion.com/lessons/1025-add-integers-with-different-signs
Warm Up
1. Describe a scenario to match 5 + -12. Describe a scenario to match -10 + 23. Describe a scenario to match -4 + -5