adding+integers

Lesson Title: addition of integers lesson summary: students will learn how to add integers


 * Pre-Algebra**
 * What are opposite integers?**

View the tutorial “Using signed numbers to represent opposite situations.” []

How do you add positive and negative numbers? Think about money? If you have $2 and I give you $3 you now have $5. A positive number + a positive number = a positive number and you add the numbers. If you spent $2 and then spent another $3 you have spent a total of $5; meaning you are down or negative $5 (represented by -$5). A negative number + a negative number = a negative number and you add the numbers. If you have $2 and you owe me $5, you still need $3 before you can pay me back or in mathematical lingo a positive 2 + -5 = -3. A positive number + a negative number = the sign of the number the farthest distance from zero and then subtract the numbers.

View the tutorial **“Adding Signed Numbers”** []

Now together let’s do some examples: Let’s use an interactive website. []

Now it is your turn. [] Be sure to copy the problems and your solutions to turn in at the end of the period.