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 1470 (73%) 2008-12-27 
Complementary Angles 2 easy 1431 (71%) 2008-12-27 
Supplementary Angles 1 easy 1457 (72%) 2008-12-27 
Supplementary Angles 2 medium 1113 (55%) 2008-12-27 
Straight Angle 1 easy 1281 (64%) 2008-12-24 
Vertical Angles 1 medium 1164 (58%) 2008-12-27 
Parallel Lines 1 easy 1193 (59%) 2008-12-27 
Parallel Lines 2 easy 1116 (55%) 2008-12-27 
Parallel Lines 3 easy 1125 (56%) 2008-12-27 
Parallel Lines 4 hard 700 (35%) 2008-12-28 
Converse of Parallel Lines 1 easy 993 (49%) 2008-12-28 
Converse of Parallel Lines 2 medium 752 (37%) 2008-12-28 
Converse of Parallel Lines 3 medium 655 (33%) 2008-12-28 
Converse of Parallel Lines 4 hard 291 (14%) 2008-12-28 
Converse of Parallel Lines 5 medium 499 (25%) 2008-12-28 
Parallelogram 1 easy 589 (29%) 2008-12-29 
Parallelogram 2 easy 567 (28%) 2008-12-29 
Parallelogram 3 medium 454 (23%) 2008-12-29 
Parallelogram 4 easy 483 (24%) 2008-12-29 
Parallelogram 5 hard 261 (13%) 2008-12-29 
Parallelogram 6 easy 429 (21%) 2008-12-29 
Parallelogram 7 medium 348 (17%) 2008-12-29 
Parallelogram 8 hard 204 (10%) 2008-12-29 
Parallels and Perpendiculars 1 medium 445 (22%) 2009-01-14 
Parallels and Perpendiculars 2 medium 371 (18%) 2009-01-18 
Parallels and Perpendiculars 3 medium 370 (18%) 2009-01-18 
Triangle Sum Theorem 1 easy 612 (30%) 2009-01-14 
Triangle Sum Theorem 2 medium 476 (24%) 2009-01-18 
Triangle Sum Theorem 3 hard 282 (14%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 493 (24%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 384 (19%) 2009-01-18 
Similar Triangles 1 easy 466 (23%) 2009-02-08 
Similar Triangles 2 easy 327 (16%) 2009-02-08 
Similar Triangles 3 medium 228 (11%) 2009-02-08 
Similar Triangles 4 hard 148 (07%) 2009-02-08 
Congruent Triangles 1 easy 552 (27%) 2009-02-08 
Congruent Triangles 2 medium 420 (21%) 2009-02-08 
Congruent Triangles 3 hard 333 (17%) 2009-02-08 
Congruent Triangles 4 hard 199 (10%) 2009-02-08 



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