Describe the inverse properties of real numbers andprovide examples. What is useful about the inverse properties ofreal numbers?
Start with definitions for identity elements and then defineadditive and multiplicative inverses. Discuss why 0 and 1 areimportant in this context. Tell how and why we use inverses.
What is an example of an operation and its "additive inverse" thatyou use in everyday life? ( for example walking one block north andthen one block south, to get back to where you started)
What is an example of an operation and its multiplicative inversethat you use in everyday life?( for example to convert from feet toinches multiply by 12. To convert inches to feet: divide by 12 ormultiply by 1/ 12)