# Step 4

Difficulty 4

 1 The Test Of Time 1 - 17 minutes after 5:58pm 2 Perfect Timing 2 - minutes between 11:02am and 11:50am 3 Perfect Timing 1 - minutes between 10:15am and 11:50am 4 Travel Time 2 - hours between 07:00 and 17:00 5 Travel Time 1 - minutes between 8:10am and 8:55am 6 School Trip 2 - duration of trip between 9:15am and 10:27am 7 Crazy Conversions - 1075mL in L 8 Crazy Conversions - 2.05L in mL 9 Crazy Conversions - 1.5L in mL 10 Crazy Conversions - 0.75L in mL 11 Measuring Up - match best area unit to object; square mm, square cm, square m, square km 12 Measuring Up - match best area unit to object; square mm, square cm, square m, square km 13 Starea - equivalent to 1 square km 14 Greener Pastures - difference between 1 hectare and 10 000 square m 15 Do You Shape Up? - same area, true/false 16 Do You Shape Up? - same area, true/false 17 Scaling Up 2 - conversion between m and km 18 Low Light - fractions of a metre in cm 19 Octopus Arms - fractions of a metre in cm 20 Home Time - fractions of a km in m 21 Stretching Things A Bit 1 - equivalent of 350cm 22 Touch-Down 2 - three quarters of a km in m 23 On Target 2 - equivalent to three-quarters of a m 24 The Purple Metre Eater 2 - equivalent to 1km 25 That's Far Enough 1 - measure with and calculate length in units of 3m 26 A Measure Of Confusion 3 - select item measured in cm 27 Growing The Greens - calculate perimeter of rectangle given side lengths 28 Rule The World 15 - m to km 29 Rule The World 7 - m to km 30 Weighty Matters - adding g to kg, 1 decimal place 31 Weighty Matters - adding masses in kg, 1 decimal place 32 Weighty Matters - adding masses in kg, 1 decimal place