Step 4
Difficulty 4
| 1. | Fishy Business 3 - calculate time of concurrent events | |
| 2. | Lunar Ticks 4 - Callipic cycles, Metatonic cycles and years | |
| 3. | It's Astronomical! 2 - kiloyears and galactic years, scientific notation | |
| 4. | It's Astronomical! 1 - kiloyears and galactic years, scientific notation | |
| 5. | The Way Things Used To Be 2 - Hebrew time units, heleks | |
| 6. | Wait a Moment 5 - medieval time units, ounces and moments | |
| 7. | Wait a Moment 4 - medieval time units, ounces and moments | |
| 8. | The Great Paschal Period - solar and lunar cycles | |
| 9. | Lunar Ticks 8 - Metoni, Callipic and Hipparchic cycles | |
| 10. | Go Take A Leap 3 - days in 97 leap years | |
| 11. | Lunar Ticks 7 - lunar months, years and octennium | |
| 12. | Lunar Ticks 5 - lunar months and years | |
| 13. | In The Blink Of An Eye 2 - metric time; metric hours, beats and blinks | |
| 14. | In The Blink Of An Eye 1 - metric time; metric hours, beats and blinks | |
| 15. | Betty's Bricks - calculate volume of 1 brick in cubic cm and 1 pallet of bricks in cubic m | |
| 16. | Clive's Concrete Calculations - create expression to calculate volume of given block | |
| 17. | Uncle Max's Organic Orange Juice - calculate capacity in L given dimensions of carton | |
| 18. | Blocks With Bob - volume of prism made from triangle shape | |
| 19. | Lord Daniel - number of blocks used in castle | |
| 20. | Blocks With Bob - volume of prism made from cross shape | |
| 21. | Solving Spheres - volume of a sphere | |
| 22. | Solving Spheres - volume of a sphere | |
| 23. | Puzzling Pyramids - volume of a square pyramid | |
| 24. | Phil's Pool Pondering - calculate volume of water to fill trapazoidal pool safely | |
| 25. | Karl's Conical Calculations - volume of a cone | |
| 26. | Phil's Pool Pondering - calculate volume of water to fill trapazoidal pool safely | |
| 27. | Phil's Pool Pondering - calculate volume of water to fill pool safely | |
| 28. | Karl's Conical Calculations- volume of a cone | |
| 29. | Bored Blocks - calculate volume of square block with cylindrical hole, then calculate cost | |
| 30. | Phil's Pool Pondering - calculate maximum capacity of hexagonal play pool | |
| 31. | Barry's Basketball - calculate capacity of sphere | |
| 32. | Capacity To the Max - calculations using engine capacity formula | |
| 33. | Capacity To the Max - calculate engine capacity given formula | |
| 34. | Damming Evidence - converting L/min to kL/hour | |
| 35. | Tricky Triangles - complete expressions for area of rectangle and triangle | |
| 36. | Completely Unique! - area of a circle | |
| 37. | Roxie and Ronnie's Round Up - area of a square inside a circle | |
| 38. | Roxie and Ronnie's Round Up - area of square in a circle | |
| 39. | A Bit Of Wheel Work - area of a circle | |
| 40. | Heron's Formula - area of triangle using Heron's formula | |
| 41. | Damming Evidence - estimate area of irregular shape | |
| 42. | Damming Evidence - estimate area of irregular shape | |
| 43. | Fracturing the Compounds - area of cross-section, rectangle and quadrant | |
| 44. | Cylinder-ella - surface area of a cylinder | |
| 45. | No Sphere - surface area of a sphere | |
| 46. | Kite Capers - area of a kite | |
| 47. | The Flying Trapezium - area of trapezium, square cm | |
| 48. | Heron's Formula - area of triangle using Heron's formula | |
| 49. | A Conversions Experience - from square mm to square cm, 1 decimal place | |
| 50. | Turf It - area of rectangle in hectares, dimensions in m | |
| 51. | Bovine Delinquent Disease - calculate missing side length of rectangle given area, m and hectares | |
| 52. | Netscape - select correct net, caluclate surface area, triangular prism | |
| 53. | The Flying Frenchman - calculate number of wheel rotations given length of journey and wheel diameter | |
| 54. | What's In The Box? - perimeter of a rectangle; Pythagoras | |
| 55. | Conductor Chris and the Broadsands Flyer - calculate speed required to meet shedule | |
| 56. | Micro Measuring - microns from m to cm | |
| 57. | The Disorient Express 2 - calculate distance given speed and time | |
| 58. | Rule The World 20 - cm to mcm | |
| 59. | The Featherweight Division - mass in kg, multiples, scientific notation | |
| 60. | The Featherweight Division - adding and subtracting mass in g, express answer in kg using scientific notation | |
| 61. | The Featherweight Division - mass in kg, multiples, scientific notation | |
| 62. | The Featherweight Division - mass in kg, multiples, scientific notation | |
| 63. | Moon-Light? - mass in kg, multiples, scientific notation | |
| 64. | Heavy Maths - mass in kg, multiples, scientific notation | |
| 65. | Moon-Light? - combined mass, kg, scientific notation | |
| 66. | Rob's Shed - calculate mass, quantity and cost |