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 1469 (77%) 2008-12-27 
Complementary Angles 2 easy 1302 (68%) 2008-12-27 
Supplementary Angles 1 easy 1395 (73%) 2008-12-27 
Supplementary Angles 2 medium 1068 (56%) 2008-12-27 
Straight Angle 1 easy 1115 (58%) 2008-12-24 
Vertical Angles 1 medium 964 (50%) 2008-12-27 
Parallel Lines 1 easy 1215 (64%) 2008-12-27 
Parallel Lines 2 easy 1162 (61%) 2008-12-27 
Parallel Lines 3 easy 1151 (60%) 2008-12-27 
Parallel Lines 4 hard 694 (36%) 2008-12-28 
Converse of Parallel Lines 1 easy 1045 (55%) 2008-12-28 
Converse of Parallel Lines 2 medium 776 (41%) 2008-12-28 
Converse of Parallel Lines 3 medium 705 (37%) 2008-12-28 
Converse of Parallel Lines 4 hard 280 (15%) 2008-12-28 
Converse of Parallel Lines 5 medium 638 (33%) 2008-12-28 
Parallelogram 1 easy 704 (37%) 2008-12-29 
Parallelogram 2 easy 658 (34%) 2008-12-29 
Parallelogram 3 medium 561 (29%) 2008-12-29 
Parallelogram 4 easy 626 (33%) 2008-12-29 
Parallelogram 5 hard 369 (19%) 2008-12-29 
Parallelogram 6 easy 587 (31%) 2008-12-29 
Parallelogram 7 medium 510 (27%) 2008-12-29 
Parallelogram 8 hard 335 (18%) 2008-12-29 
Parallels and Perpendiculars 1 medium 449 (23%) 2009-01-14 
Parallels and Perpendiculars 2 medium 415 (22%) 2009-01-18 
Parallels and Perpendiculars 3 medium 407 (21%) 2009-01-18 
Triangle Sum Theorem 1 easy 576 (30%) 2009-01-14 
Triangle Sum Theorem 2 medium 452 (24%) 2009-01-18 
Triangle Sum Theorem 3 hard 300 (16%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 513 (27%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 449 (23%) 2009-01-18 
Similar Triangles 1 easy 509 (27%) 2009-02-08 
Similar Triangles 2 easy 398 (21%) 2009-02-08 
Similar Triangles 3 medium 281 (15%) 2009-02-08 
Similar Triangles 4 hard 194 (10%) 2009-02-08 
Congruent Triangles 1 easy 683 (36%) 2009-02-08 
Congruent Triangles 2 medium 550 (29%) 2009-02-08 
Congruent Triangles 3 hard 406 (21%) 2009-02-08 
Congruent Triangles 4 hard 270 (14%) 2009-02-08 



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