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Here are two clocks.

One has normal numbers, the other has Roman numerals.

Both show the same time.

 

a clock             a clock    

 

 

Count the minutes in 5s as you go around until you reach the long blue hand.

 

a clock

 

The long blue hand is pointing to the 4 or IV, which is 4 × 5 = 20 minutes, so the time will be something 20.

 

The short red hand is pointing between the 10 and the 11 or the X and the XI, so the time is:

 

10:20 or 20 past 10 because it is 20 minutes past 10 o'clock.

 

boy thinking

 

 

Here are two more clocks, showing the same time.

 

a clock                 a clock

 

 

Count the minutes in 5s as you go around until you reach the long blue hand.

 

a clock

 

The long blue hand is pointing to the 7 or the VII, which is 7 × 5 = 35 minutes, so the time will be something 35.

 

The short red hand is pointing between the 2 and the 3 or the II and the III, so the time is:

2:35 or 25 to 3 because there are 25 minutes until 3 o'clock.

 

Let's have a go at some questions now. If you want to look back at this introduction, just click on the red help button on the screen at any point.

 

boy on computer

 

10 questions