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 1630 (73%) 2008-12-27 
Complementary Angles 2 easy 1585 (71%) 2008-12-27 
Supplementary Angles 1 easy 1609 (72%) 2008-12-27 
Supplementary Angles 2 medium 1225 (55%) 2008-12-27 
Straight Angle 1 easy 1422 (64%) 2008-12-24 
Vertical Angles 1 medium 1264 (57%) 2008-12-27 
Parallel Lines 1 easy 1334 (60%) 2008-12-27 
Parallel Lines 2 easy 1256 (56%) 2008-12-27 
Parallel Lines 3 easy 1258 (56%) 2008-12-27 
Parallel Lines 4 hard 764 (34%) 2008-12-28 
Converse of Parallel Lines 1 easy 1116 (50%) 2008-12-28 
Converse of Parallel Lines 2 medium 825 (37%) 2008-12-28 
Converse of Parallel Lines 3 medium 716 (32%) 2008-12-28 
Converse of Parallel Lines 4 hard 307 (14%) 2008-12-28 
Converse of Parallel Lines 5 medium 532 (24%) 2008-12-28 
Parallelogram 1 easy 683 (31%) 2008-12-29 
Parallelogram 2 easy 653 (29%) 2008-12-29 
Parallelogram 3 medium 506 (23%) 2008-12-29 
Parallelogram 4 easy 562 (25%) 2008-12-29 
Parallelogram 5 hard 296 (13%) 2008-12-29 
Parallelogram 6 easy 501 (22%) 2008-12-29 
Parallelogram 7 medium 392 (18%) 2008-12-29 
Parallelogram 8 hard 231 (10%) 2008-12-29 
Parallels and Perpendiculars 1 medium 468 (21%) 2009-01-14 
Parallels and Perpendiculars 2 medium 390 (18%) 2009-01-18 
Parallels and Perpendiculars 3 medium 390 (18%) 2009-01-18 
Triangle Sum Theorem 1 easy 708 (32%) 2009-01-14 
Triangle Sum Theorem 2 medium 549 (25%) 2009-01-18 
Triangle Sum Theorem 3 hard 342 (15%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 579 (26%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 419 (19%) 2009-01-18 
Similar Triangles 1 easy 539 (24%) 2009-02-08 
Similar Triangles 2 easy 380 (17%) 2009-02-08 
Similar Triangles 3 medium 262 (12%) 2009-02-08 
Similar Triangles 4 hard 180 (08%) 2009-02-08 
Congruent Triangles 1 easy 640 (29%) 2009-02-08 
Congruent Triangles 2 medium 493 (22%) 2009-02-08 
Congruent Triangles 3 hard 391 (18%) 2009-02-08 
Congruent Triangles 4 hard 245 (11%) 2009-02-08 



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