Apply angle facts, triangle congruence, similarity and properties of quadrilaterals to derive results about angles and sides, including Pythagoras' Theorem, and use known results to obtain simple proofs
| 1. | By degrees: Calculate triangle angles from a given ratio | |
| 2. | Simply Similar 2 - select correct similarity test for given triangles | |
| 3. | Simply Similar 1 - select correct similarity test for given triangles | |
| 4. | Convincingly Congruent 3 - select correct congruency test for given triangles | |
| 5. | Convincingly Congruent 2 - select correct congruency test for given triangles | |
| 6. | Convincingly Congruent 1 - select correct congruency test for given triangles | |
| 7. | Convincingly Congruent and Simply Similar 2 - identify congruent and similar shapes | |
| 8. | Convincingly Congruent and Simply Similar 1 - identify congruent and similar shapes | |
| 9. | Leaning In On The Angles - angle sum of a quadrilateral | |
| 10. | ABCs 2 - angle sum of quadrilateral, degrees in revolution | |
| 11. | Shape Up! 16 - calculate value of x, angle sum of quadrilateral, algebraic expression | |
| 12. | Shape Up! 12 - calculate angle size, angle sum of a quadrilateral, algebraic expression | |
| 13. | Shape Up! 11 - calculate angle size, angle sum of a triangle | |
| 14. | Phoebe's Quadrilateral Quizz - angles of a rectangle | |
| 15. | Phoebe's Quirky Quadrilateral Quandaries 4 - identify square from properties | |
| 16. | Phoebe's Quirky Quadrilateral Quandaries 3 - diagonal properties of a rhombus | |
| 17. | Phoebe's Quirky Quadrilateral Quandaries 2 - sides and angles of a parallelogram | |
| 18. | Phoebe's Quirky Quadrilateral Quandaries 1 - angle sum of a quadrilateral | |
| 19. | Phoebe's Triangle Theorems 4 - sides and angles of equilateral triangles | |
| 20. | Phoebe's Triangle Theorems 3 - equal angles opposite equal sides | |
| 21. | Phoebe's Triangle Theorems 2 - exterior angle of triangle | |
| 22. | Shape Up! 7 - equilateral triangle, angle sum of triangle | |
| 23. | Shape Up! 6 - triangle geometry, equilateral and isosceles | |
| 24. | Shape Up! 3 - identify equal angles | |
| 25. | Shape Up! 2 - deduce type of triangle | |
| 26. | Shape Up! 1 - exterior angles of a triangle | |
| 27. | Circular Logic 5 - concyclic quadrilaterals | |
| 28. | Around in Circles 11 - circle geometry | |
| 29. | Around in Circles 10 - circle geometry | |
| 30. | Around in Circles 9 - circle geometry | |
| 31. | Around in Circles 8 - circle geometry |