Page 204 - Math Genius C4

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\\September 30, 2025 12:00 PM Bharat Arora P-9 Reader _________________________ Date: ___________________74

Let us observe the position of the second hand in the following given clocks.

11 12 1 11 12 1 11 12 1 11 12 1 11 12 1 11 12 1 11 12 1
10 2 10 2 10 2 10 2 10 2 10 2 10 2
9 3 9 3 9 3 9 3 9 3 9 3 9 3
8 4 8 4 8 4 8 4 8 4 8 4 8 4
7 6 5 7 6 5 7 6 5 7 6 5 7 6 5 7 6 5 7 6 5
0 seconds 5 seconds 10 seconds 15 seconds 20 seconds 25 seconds 30 seconds

11 12 1 11 12 1 11 12 1 11 12 1 11 12 1 11 12 1
10 2 10 2 10 2 10 2 10 2 10 2
9 3 9 3 9 3 9 3 9 3 9 3
8 4 8 4 8 4 8 4 8 4 8 4
7 6 5 7 6 5 7 6 5 7 6 5 7 6 5 7 6 5

60 seconds 55 seconds 50 seconds 45 seconds 40 seconds 35 seconds

To write the time in seconds we add one more sign (:) after the minutes and then
write the seconds. For example,

11 12 1 11 12 1 11 12 1 11 12 1
10 2 10 2 10 2 10 2
9 3 10 seconds 9 3 20 seconds 9 3 30 seconds 9 3
later
later
later
8 4 8 4 8 4 8 4
7 6 5 7 6 5 7 6 5 7 6 5
7:20:00 7:20:10 7:20:30 7:21:00
7 hours 20 minutes 7 hours 20 minutes 7 hours 20 minutes 7 hours 21 minutes
and 0 seconds and 10 seconds and 30 seconds and 0 seconds

maths fun Logical Thinking

Observe your activities and tick the unit of time it takes to complete
each activity. Compare your answers with your friends.

1. Raising your hand (Minutes/Seconds)
2. Brushing your teeth (Minutes/Seconds)

3. Having a bath (Minutes/Seconds)
4. Getting ready for school (Minutes/Seconds)
5. Taking a pencil from

your geometry box (Minutes/Seconds)
6. Taking one step forward (Minutes/Seconds)

7. Drinking water (Minutes/Seconds)
8. Clapping your hands once (Minutes/Seconds)

202 Mathematics-4