Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
CTS FADNUMBER SYSTEM
COLUMN
DESCRIPTION
SOURCE
1-5
Family Identification Number
Assigned at Entry. All Community Twin Families also begin with the letter T2.
6
Family Position
1 = Twin 1 2 = Twin 2 3 = Parents 9 = Sibling (only 1 sibling in each family is tested - the one closest in age to the twins)
