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 1510 (77%) 2008-12-27 
Complementary Angles 2 easy 1339 (68%) 2008-12-27 
Supplementary Angles 1 easy 1433 (73%) 2008-12-27 
Supplementary Angles 2 medium 1085 (55%) 2008-12-27 
Straight Angle 1 easy 1147 (58%) 2008-12-24 
Vertical Angles 1 medium 981 (50%) 2008-12-27 
Parallel Lines 1 easy 1244 (63%) 2008-12-27 
Parallel Lines 2 easy 1189 (61%) 2008-12-27 
Parallel Lines 3 easy 1181 (60%) 2008-12-27 
Parallel Lines 4 hard 700 (36%) 2008-12-28 
Converse of Parallel Lines 1 easy 1070 (54%) 2008-12-28 
Converse of Parallel Lines 2 medium 781 (40%) 2008-12-28 
Converse of Parallel Lines 3 medium 709 (36%) 2008-12-28 
Converse of Parallel Lines 4 hard 281 (14%) 2008-12-28 
Converse of Parallel Lines 5 medium 641 (33%) 2008-12-28 
Parallelogram 1 easy 707 (36%) 2008-12-29 
Parallelogram 2 easy 659 (34%) 2008-12-29 
Parallelogram 3 medium 564 (29%) 2008-12-29 
Parallelogram 4 easy 627 (32%) 2008-12-29 
Parallelogram 5 hard 371 (19%) 2008-12-29 
Parallelogram 6 easy 588 (30%) 2008-12-29 
Parallelogram 7 medium 512 (26%) 2008-12-29 
Parallelogram 8 hard 335 (17%) 2008-12-29 
Parallels and Perpendiculars 1 medium 451 (23%) 2009-01-14 
Parallels and Perpendiculars 2 medium 416 (21%) 2009-01-18 
Parallels and Perpendiculars 3 medium 408 (21%) 2009-01-18 
Triangle Sum Theorem 1 easy 596 (30%) 2009-01-14 
Triangle Sum Theorem 2 medium 453 (23%) 2009-01-18 
Triangle Sum Theorem 3 hard 302 (15%) 2009-01-18 
Triangle Exterior Angle Theorem 1 easy 531 (27%) 2009-01-18 
Quadrilateral Sum Theorem 1 easy 449 (23%) 2009-01-18 
Similar Triangles 1 easy 510 (26%) 2009-02-08 
Similar Triangles 2 easy 399 (20%) 2009-02-08 
Similar Triangles 3 medium 281 (14%) 2009-02-08 
Similar Triangles 4 hard 194 (10%) 2009-02-08 
Congruent Triangles 1 easy 685 (35%) 2009-02-08 
Congruent Triangles 2 medium 551 (28%) 2009-02-08 
Congruent Triangles 3 hard 408 (21%) 2009-02-08 
Congruent Triangles 4 hard 270 (14%) 2009-02-08 



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