# Step 3

Difficulty 3

 1 It's A Bug's Life - 17 years after 2004 2 Endless Time 6 - Australian time zones 3 Abigail's Timetable 4 - difference between time spent on leisure/tv and homework 4 Commuter Tutor - calculate arrival times 5 Time Travel 3 - read timetable and select correct train 6 Turning The Tables of Time 3 - writing time in words, 24 hour time and 12 hour time 7 Leap Years - select leap years from list 8 A World Of Difference 1 - international time zones 9 A Breath of Fresh Air - number of 15 minute intervals in one day 10 Abigail's Timetable 5 - time spent at school over 5 days in hours and minutes 11 Gaps 'R' Gone - writing time in words, 24 hour time and 12 hour time 12 Wal's Water Worries - 2.5L bottles in 80L barrel 13 Wal's Water Worries - 1.25L bottles in 10L barrel 14 Doing Things By Halves - calculate area of rectangle in square cm, calculate half 15 Doing Things By Halves - calculate area of rectangle in square mm, calculate half 16 Doing Things By Halves - calculate area of rectangle in square m, calculate half 17 Doing Things By Halves - calculate area of rectangle in square cm, calculate half 18 Starea - equivalent to 100 square km 19 Rec-tangles - calculate side length in km using area in square km 20 Touch-Down 4 - equivalent to 4250m 21 Touch-Down 3 - equivalent to 2.5km 22 The Secret Formula 1 - select correct expression for the perimeter of a rectangle and calculate 23 Contained in the Circus - calculate dimensions of rectangle to give largest area given perimeter 24 Book Space - calculate perimeter given dimensions; rectangle 25 Sugar High? - adding g to kg, 3 decimal places 26 Sugar High? - adding g to kg, 2 decimal places 27 a MASSive operation - conversion between units; g, kg and t 28 a MASSive operation - conversion between units; g, kg and t 29 Bush Bake Off - round g to nearest tenth of a kg 30 Bush Bake Off - round g to nearest tenth of a kg 31 Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses 32 Larry's Lorry's Log Book - conversion between units, calculate total in kg/t 33 Larry's Lorry's Log Book - conversion between units, calculate total in kg/t 34 Larry's Lorry's Log Book - conversion between units, calculate total in kg/t 35 Larry's Lorry's Log Book - conversion between units, calculate total in kg/t 36 Phil Carries the Cans - caluclate number of trips given masses 37 Larry's Lorry's Log Book - conversion from t to kg; 3 decimal places 38 Larry's Lorry's Log Book - conversion from kg to t; 3 decimal places 39 Phil Carries the Cans - caluclate number of trips given masses 40 Uncle Max's Corner Store Conversions - conversion from kg to t, up to 3 decimal places 41 Larry's Lorry's Log Book - conversion from kg to t; 3 decimal places 42 A Scaly Problem - read mass in kg from scale