problem Take the Right Angle Age 7 to 11 Challenge level How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
problem Sweeping Hands Age 7 to 11 Challenge level Use your knowledge of angles to work out how many degrees the hour and minute hands of a clock travel through in different amounts of time.
problem Lengthy Journeys Age 7 to 11 Challenge level Investigate the different distances of these car journeys and find out how long they take.
problem In Order Age 7 to 11 Challenge level Can you rank these quantities in order? You may need to find out extra information or perform some experiments to justify your rankings.
problem Order the Changes Age 7 to 11 Challenge level Can you order pictures of the development of a frog from frogspawn and of a bean seed growing into a plant?
problem Tom Learns to Cook Age 7 to 11 Challenge level If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.
problem Calendar Sorting Age 7 to 11 Challenge level The pages of my calendar have got mixed up. Can you sort them out?
problem How Long Does It Take? Age 7 to 11 Challenge level How long does it take to brush your teeth? Can you find the matching length of time?
problem Millennium Man Age 7 to 11 Challenge level Liitle Millennium Man was born on Saturday 1st January 2000 and he will retire on the first Saturday 1st January that occurs after his 60th birthday. How old will he be when he retires?