Time

There are 104 NRICH Mathematical resources connected to Time
Timing
problem

Timing

Age
7 to 11
Challenge level
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These two challenges will test your time-keeping!
Home Time
problem

Home time

Age
7 to 11
Challenge level
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Alice's mum needs to go to each child's house just once and then back home again. How many different routes are there? Use the information to find out how long each road is on the route she took.
Three of a Kind
problem

Three of a kind

Age
11 to 14
Challenge level
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How long is it between 5:55 and the next time all three digits on a digital clock are the same?
Hand Swap
problem

Hand swap

Age
14 to 16
Challenge level
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My train left London between 6 a.m. and 7 a.m. and arrived in Paris between 9 a.m. and 10 a.m. At the start and end of the journey the hands on my watch were in exactly the same positions but the minute hand and hour hand had swopped places. What time did the train leave London and how long did the journey take?
Take the Right Angle
problem

Take the right angle

Age
7 to 11
Challenge level
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How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
Twizzle's Journey
problem

Twizzle's journey

Age
5 to 7
Challenge level
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Twizzle, a female giraffe, needs transporting to another zoo. Which route will give the fastest journey?
Walking in the Mountains
problem

Walking in the mountains

Age
14 to 16
Challenge level
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Heidi and Peter pass two signs which say how far their destination is. How long will it take them to get there?
Hike and Hitch
problem

Hike and hitch

Age
14 to 16
Challenge level
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Fifteen students had to travel 60 miles. They could use a car, which could only carry 5 students. As the car left with the first 5 (at 40 miles per hour), the remaining 10 commenced hiking along the road (at 4 miles per hour)...
Slow Coach
problem

Slow coach

Age
7 to 11
Challenge level
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How many of this company's coaches travelling in the opposite direction does the 10 am coach from Alphaton pass before reaching Betaville?
Sweeping Hands
problem

Sweeping hands

Age
7 to 11
Challenge level
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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.