**1. When you do division of fractions, which ones do you turn upside down ?**

All except the first one.

**2. What is a rational number?**

A rational number is any number that can be written as a fraction. e.g. in the form .

**3. Is 6 a rational number?**

Yes, because it can be written in the form

**4. Can you cancel two numbers both on the top lines of fractions?**

No, cancelling HAS to be between a number the top line and any number on the bottom line. (This can be done diagonally.)

**5. When adding fractions, is it best to change mixed numbers to improper fractions?**

Yes, unless the calculation is VERY easy, mixed numbers should be changed to improper fractions for adding, subtracting, multiplying and dividing.