This presentation contains an introduction to negative numbers, the number line, absolute value, and then the rules for adding, subtracting, multiplying and dividing with negative numbers. There are word problems at the end with one advanced challenge problem. It is appropriate for 5th to 6th graders, or 7th graders needing a review. This can be taught over 2-3 classes. Approximately 2 hours 15 minutes to 2 hours 30 minutes teaching time, plus time for questions, introductions, etc. To avoid rus