Sample 10-12: Headings Added to Matching Lists

Directions followed by two columns for matching; there are no column headings; the first column is numbered, and the second column is lettered

 1 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 2 ⠀⠀⠀⠀,:o did :at8 ,2f ea* "n 2l1 write !
 3 ⠀⠀⠀⠀lr (! /ate;t y associate ) t p]son4
 4 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 5 ⠀⠀⠀⠀,',"n,'
 6 #a4 ,pr9ce ,h5ry
 7 #b4 ,columbus
 8 #c4 ,vasco de ,gama
 9 #d4 ,b>?olomew ,diaz
10 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
11 ⠀⠀⠀⠀,',/ate;t,'
12 a4 0 ! f/ man 6sail 6! tip ( ,africa f
13 ⠀⠀,europe
14 b4 0 ! f/ man 6f9d a sea r\te 6,9dia
15 c4 0 an ,italian :o made grt 4cov]ies =
16 ⠀⠀,spa9
17 d4 set up a s*ool =! /udy ( navig,n &
18 ⠀⠀geography