Step 4

Difficulty 4

1. When You Gotta Mow... 2 - minutes between 1:15pm and 2:46pm
2. Great Southern Land 2 - Australian time zones, daylight savings
3. When You Gotta Mow... 3 - calculate total duration
4. Endless Time 7 - Australian time zones
5. Turning The Tables of Time 2 - writing time in words, 24 hour time and 12 hour time
6. The Test Of Time 2 - 75 minutes before 6:00pm
7. A World Of Difference 2 - international time zones
8. Goal Posts Bus Service Timetable 3 - calculate total time spent each week
9. Abigail's Timetable 6 - time spent doing homework over 5 days in hours and minutes
10. Travel Time 5 - calculate time between 08:45 and 14:35
11. Early To Bed, Early To Rise - calculate duration of night
12. Picnic at Periwinkle Park - complete timetable, 23 minute intervals
13. Race Against Time 1 - calculate duration in hours and minutes
14. Time Travels 5 - time zone calculations
15. Cory's Cooking Craze - conversion from L in decimals to fractions of a L
16. Cory's Cooking Craze - conversion from L in decimals to fractions of a L
17. Talking Maths - time to fill bath, 2 measures of L/min
18. Pumping Maths - time to fill fuel tank given rate
19. Cory's Cooking Craze - conversion from fractions of L to decimal
20. The Sanders Family Pool! - time taken to fill pool from 40000L to 43000L
21. A Thousand Kilos of Laughs - conversions between units; cubic cm, mL, L
22. Un-Tangling The Area - expression for calculating area of a rectangle
23. Un-Tangling The Area - expression for calculating area of a rectangle
24. Un-Tangling The Area - expression for calculating area of a rectangle
25. Face Value - calculate areas of faces, rectangular prism, total surface area
26. Face Value - calculate areas of faces, rectangular prism, total surface area
27. Face Value - calculate areas of faces, rectangular prism, total surface area
28. Face Value - calculate areas of faces, rectangular prism, total surface area
29. Rec-tangles - calculate side length in cm using area in square m, 2 decimal places
30. Rec-tangles - area of rectangle in square m, lengths in mm and m
31. Rec-tangles - area of rectangle in square km, lengths in m and km
32. You Go Figure - calculate missing side length in m, area in square m
33. You Go Figure - calculate missing side length in m, area in square m
34. You Go Figure - calculate missing side length in mm, area in square mm
35. Gluttonous Grasshoppers - 1 000 000 square m as hectares
36. Gluttonous Grasshoppers - 5 000 000 square m as square km
37. Crop Crisis - area in hectares, dimensions in m
38. Man Power - double 1 square m, in square cm
39. Reasoning With Rectangles - find rectangle/square, area in square cm
40. A Measure Of Confusion 1 - approximate number of objects fit in a given length; km; decimals
41. Wrecked Angles 1 - calculate width of rectangle given area and length
42. Fair and Square 1 - calculate area of square given perimeter
43. Around The Square - calculate perimeter of square given area
44. The Secret Formula 3 - calculate rectangle side length given one side
45. The Secret Formula 2 - calculate rectangle side length given one side
46. The Secret Formula 1 - calculate rectangle side length given one side and area
47. Wrecked Angles 2 - calculate width given area and length
48. Home Sweet Home 1 - calculate lengths on floor plan
49. Rule The World 5 - mm to km
50. Picture It 1 - perimeter problem; cm
51. Round and Round the Garden... 2 - perimeter problem using area
52. Sugar High? - subtracting g from kg
53. Sugar High? - adding g to kg, 2 decimal places
54. Bush Bake Off - round g to nearest tenth of a kg
55. Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses
56. Larry's Lorry's Log Book - conversion from t to kg; 3 decimal places
57. Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses
58. Larry's Lorry's Log Book - conversion from kg to t; 3 decimal places
59. Phil The Fruiterer - calculate best value given masses and prices
60. Phil The Fruiterer - calculate best value given masses and prices
61. Clean Phil Wanted... - calculate number of units given individual and gross masses, g/kg
62. Al's Mass Mechanics - adding masses in kg and g, 3 decimal places
63. Mass Composition - conversion from g to kg, total mass of multiples