1. Read the directions carefully and use the dice fraction key. 2. Be sure to pay attention to the operation: addition or subtraction. 3. Make sure you are showing your work in the space provided. 4. Type your final answer in the blank. 5. When you finish the first 6 problems, go to the next slide to complete some "Challenge" problems to show off how great of a mathematician you are! 6. When you are finished click to turn in your work.