Use the timeline to answer these questions.

1. Did this telephone come before or after 1930?  [, before, after]

2. Did this telephone come before or after 1940? [, before, after]

3. Did this telephone come before or after 1970? [, before, after]

4. This telephone has no dials or buttons. When did people us this phone?  [, 1900, 1950, 1970]

5. This is part of one of the telephones. What year was this phone first used? [, 1900, 1910, 1990]

Now print out this page. Cut out the telephones and see if you can put them in order again.