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 24 (80%) 2008-12-27 
Complementary Angles 2 easy 22 (73%) 2008-12-27 
Supplementary Angles 1 easy 20 (67%) 2008-12-27 
Supplementary Angles 2 medium 16 (53%) 2008-12-27 
Straight Angle 1 easy 11 (37%) 2008-12-24 
Vertical Angles 1 medium 7 (23%) 2008-12-27 
Parallel Lines 1 easy 9 (30%) 2008-12-27 
Parallel Lines 2 easy 9 (30%) 2008-12-27 
Parallel Lines 3 easy 8 (27%) 2008-12-27 
Parallel Lines 4 hard 5 (17%) 2008-12-28 
Converse of Parallel Lines 1 easy 4 (13%) 2008-12-28 
Converse of Parallel Lines 2 medium 4 (13%) 2008-12-28 
Converse of Parallel Lines 3 medium 5 (17%) 2008-12-28 
Converse of Parallel Lines 4 hard 3 (10%) 2008-12-28 
Converse of Parallel Lines 5 medium 4 (13%) 2008-12-28 
Parallelogram 1 easy 4 (13%) 2008-12-29 
Parallelogram 2 easy 4 (13%) 2008-12-29 
Parallelogram 3 medium 4 (13%) 2008-12-29 
Parallelogram 4 easy 4 (13%) 2008-12-29 
Parallelogram 5 hard 3 (10%) 2008-12-29 
Parallelogram 6 easy 4 (13%) 2008-12-29 
Parallelogram 7 medium 3 (10%) 2008-12-29 
Parallelogram 8 hard 2 (07%) 2008-12-29 
Parallels and Perpendiculars 1 medium 3 (10%) 2009-01-14 
Parallels and Perpendiculars 2 medium 3 (10%) 2009-01-18 
Parallels and Perpendiculars 3 medium 3 (10%) 2009-01-18 
Triangle Sum Theorem 1 easy 3 (10%) 2009-01-14 
Triangle Sum Theorem 2 medium 3 (10%) 2009-01-18 
Triangle Sum Theorem 3 hard 2 (07%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 3 (10%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 3 (10%) 2009-01-18 
Similar Triangles 1 easy 3 (10%) 2009-02-08 
Similar Triangles 2 easy 2 (07%) 2009-02-08 
Similar Triangles 3 medium 2 (07%) 2009-02-08 
Similar Triangles 4 hard 2 (07%) 2009-02-08 
Congruent Triangles 1 easy 2 (07%) 2009-02-08 
Congruent Triangles 2 medium 2 (07%) 2009-02-08 
Congruent Triangles 3 hard 2 (07%) 2009-02-08 
Congruent Triangles 4 hard 2 (07%) 2009-02-08 



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