ProveIt! Two-Column Proofs Practice Tool
Select a proof from the list below to get started. To see and record your progress, log in here.

TitleDifficultySolved ByDate Added
Complementary Angles 1 easy 1455 (77%) 2008-12-27 
Complementary Angles 2 easy 1290 (69%) 2008-12-27 
Supplementary Angles 1 easy 1379 (73%) 2008-12-27 
Supplementary Angles 2 medium 1061 (56%) 2008-12-27 
Straight Angle 1 easy 1106 (59%) 2008-12-24 
Vertical Angles 1 medium 955 (51%) 2008-12-27 
Parallel Lines 1 easy 1206 (64%) 2008-12-27 
Parallel Lines 2 easy 1155 (61%) 2008-12-27 
Parallel Lines 3 easy 1144 (61%) 2008-12-27 
Parallel Lines 4 hard 691 (37%) 2008-12-28 
Converse of Parallel Lines 1 easy 1041 (55%) 2008-12-28 
Converse of Parallel Lines 2 medium 772 (41%) 2008-12-28 
Converse of Parallel Lines 3 medium 704 (37%) 2008-12-28 
Converse of Parallel Lines 4 hard 280 (15%) 2008-12-28 
Converse of Parallel Lines 5 medium 638 (34%) 2008-12-28 
Parallelogram 1 easy 696 (37%) 2008-12-29 
Parallelogram 2 easy 656 (35%) 2008-12-29 
Parallelogram 3 medium 557 (30%) 2008-12-29 
Parallelogram 4 easy 624 (33%) 2008-12-29 
Parallelogram 5 hard 367 (20%) 2008-12-29 
Parallelogram 6 easy 584 (31%) 2008-12-29 
Parallelogram 7 medium 507 (27%) 2008-12-29 
Parallelogram 8 hard 333 (18%) 2008-12-29 
Parallels and Perpendiculars 1 medium 445 (24%) 2009-01-14 
Parallels and Perpendiculars 2 medium 413 (22%) 2009-01-18 
Parallels and Perpendiculars 3 medium 405 (22%) 2009-01-18 
Triangle Sum Theorem 1 easy 570 (30%) 2009-01-14 
Triangle Sum Theorem 2 medium 449 (24%) 2009-01-18 
Triangle Sum Theorem 3 hard 300 (16%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 508 (27%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 446 (24%) 2009-01-18 
Similar Triangles 1 easy 498 (26%) 2009-02-08 
Similar Triangles 2 easy 394 (21%) 2009-02-08 
Similar Triangles 3 medium 277 (15%) 2009-02-08 
Similar Triangles 4 hard 190 (10%) 2009-02-08 
Congruent Triangles 1 easy 675 (36%) 2009-02-08 
Congruent Triangles 2 medium 548 (29%) 2009-02-08 
Congruent Triangles 3 hard 405 (22%) 2009-02-08 
Congruent Triangles 4 hard 270 (14%) 2009-02-08 



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
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