Solving problems involving converting between seconds, minutes and hours

Maths

Converting units of measure

A movie lasts 1 hour and 12 minutes, how many minutes is the movie in total?

It takes the same length of time to travel to my nan's and my cousin's houses

The journey to my cousin's house takes the longest

The journey to my nan's house is the shorter of the two journeys

The journey to my nan's house takes the longest

It takes me 112 minutes to travel to my nan's house and 1 hour 44 minutes to travel to my cousin's house. Which journey takes the longest?

A, B, C and D run a marathon. It takes person A 146 minutes. It takes person B 159 minutes. It takes person C 2 hours and 32 minutes and it takes person D 2 hours 39 minutes. Which two ran the same time?

I have so far watched 2 hours and 21 minutes of a 150 minute film, how many seconds of the film are left?

I have been cooking a stew so far for 159 minutes. The recipe says to cook it for 2 hours and 30 minutes, how much longer do I need to cook the stew for?

How many seconds are there in 30 minutes?

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