Free typing lessons, typing practice and typing tests. Touch Typing Lesson 6: Numbers Whether you program, work with spreadsheets, or frequently work with numerical data, you will find this lesson particularly helpful. 7 and 8 The first two number keys we will learn are: 7 8 To type the 7 key, use your right index finger to strike the key above and to the left of the u key. The 8 key is typed with