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Resources tagged with Clock similar to The New Millennium: When Did it Begin?:

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Broad Topics > Mathematics Tools > Clock

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Sweeping Hands

Stage: 2 Challenge Level: Challenge Level:1

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.

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The Time Is ...

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Can you put these mixed-up times in order? You could arrange them in a circle.

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Timing

Stage: 2 Short Challenge Level: Challenge Level:2 Challenge Level:2

These two challenges will test your time-keeping!

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Ten Green Bottles

Stage: 2 Challenge Level: Challenge Level:1

Do you know the rhyme about ten green bottles hanging on a wall? If the first bottle fell at ten past five and the others fell down at 5 minute intervals, what time would the last bottle fall down?

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Two Clocks

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

These clocks have only one hand, but can you work out what time they are showing from the information?

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Watch the Clock

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?

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What Is the Time?

Stage: 1 and 2 Challenge Level: Challenge Level:1

Can you put these times on the clocks in order? You might like to arrange them in a circle.

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Clocks

Stage: 2 Challenge Level: Challenge Level:1

These clocks have been reflected in a mirror. What times do they say?

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Digital Times

Stage: 3 Challenge Level: Challenge Level:1

Which segment on a digital clock is lit most each day? Which segment is lit least? Does it make any difference if it is set to 12 hours or 24 hours?

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Clock Hands

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.

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Wonky Watches

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Stuart's watch loses two minutes every hour. Adam's watch gains one minute every hour. Use the information to work out what time (the real time) they arrived at the airport.

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Times

Stage: 2 Challenge Level: Challenge Level:1

Which times on a digital clock have a line of symmetry? Which look the same upside-down? You might like to try this investigation and find out!

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Take the Right Angle

Stage: 2 Challenge Level: Challenge Level:1

How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.

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5 on the Clock

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?

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Hands Together

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Sometime during every hour the minute hand lies directly above the hour hand. At what time between 4 and 5 o'clock does this happen?

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Clocked

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Is it possible to rearrange the numbers 1,2......12 around a clock face in such a way that every two numbers in adjacent positions differ by any of 3, 4 or 5 hours?

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Numbers Numbers Everywhere!

Stage: 1 and 2

Bernard Bagnall recommends some primary school problems which use numbers from the environment around us, from clocks to house numbers.

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Clock Face

Stage: 2 Challenge Level: Challenge Level:1

Where can you draw a line on a clock face so that the numbers on both sides have the same total?

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On Time

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

On a clock the three hands - the second, minute and hour hands - are on the same axis. How often in a 24 hour day will the second hand be parallel to either of the two other hands?