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.

Complementary Angles 1 easy 220 (65%) 2008-12-27
Complementary Angles 2 easy 174 (52%) 2008-12-27
Supplementary Angles 1 easy 209 (62%) 2008-12-27
Supplementary Angles 2 medium 119 (35%) 2008-12-27
Straight Angle 1 easy 119 (35%) 2008-12-24
Vertical Angles 1 medium 85 (25%) 2008-12-27
Parallel Lines 1 easy 146 (43%) 2008-12-27
Parallel Lines 2 easy 140 (42%) 2008-12-27
Parallel Lines 3 easy 148 (44%) 2008-12-27
Parallel Lines 4 hard 56 (17%) 2008-12-28
Converse of Parallel Lines 1 easy 123 (37%) 2008-12-28
Converse of Parallel Lines 2 medium 58 (17%) 2008-12-28
Converse of Parallel Lines 3 medium 52 (15%) 2008-12-28
Converse of Parallel Lines 4 hard 25 (07%) 2008-12-28
Converse of Parallel Lines 5 medium 33 (10%) 2008-12-28
Parallelogram 1 easy 45 (13%) 2008-12-29
Parallelogram 2 easy 40 (12%) 2008-12-29
Parallelogram 3 medium 32 (10%) 2008-12-29
Parallelogram 4 easy 34 (10%) 2008-12-29
Parallelogram 5 hard 19 (06%) 2008-12-29
Parallelogram 6 easy 27 (08%) 2008-12-29
Parallelogram 7 medium 19 (06%) 2008-12-29
Parallelogram 8 hard 12 (04%) 2008-12-29
Parallels and Perpendiculars 1 medium 19 (06%) 2009-01-14
Parallels and Perpendiculars 2 medium 16 (05%) 2009-01-18
Parallels and Perpendiculars 3 medium 17 (05%) 2009-01-18
Triangle Sum Theorem 1 easy 27 (08%) 2009-01-14
Triangle Sum Theorem 2 medium 12 (04%) 2009-01-18
Triangle Sum Theorem 3 hard 10 (03%) 2009-01-18
Triangle Exterior Angle Theorem 1 easy 18 (05%) 2009-01-18
Quadrilateral Sum Theorem 1 easy 12 (04%) 2009-01-18
Similar Triangles 1 easy 24 (07%) 2009-02-08
Similar Triangles 2 easy 10 (03%) 2009-02-08
Similar Triangles 3 medium 9 (03%) 2009-02-08
Similar Triangles 4 hard 10 (03%) 2009-02-08
Congruent Triangles 1 easy 58 (17%) 2009-02-08
Congruent Triangles 2 medium 51 (15%) 2009-02-08
Congruent Triangles 3 hard 22 (07%) 2009-02-08
Congruent Triangles 4 hard 20 (06%) 2009-02-08

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