Matching Pairs Match the Number!Online version Match the number to the clue by clicking on the number and then clicking on the clue. This activity is for students in grades 3-5. by Arizona Bar Foundation 1 The United States is made up of this many states. 2 The American flag has this many stripes. 3 The United States President can serve for this many years in a single term of office. 4 The Bill of Rights is made up of this many amendments. 5 This is the legal age to vote in the United States. 6 The United States Senate has this many Senators from each state. 7 The United States Government has this many branches. 13 3 18 2 50 4 10