Page 135 - NUMINO Challenge_B1
P. 135
Type 15-2 Slow Clock, Fast Clock
In Ryan’s room, there is a clock that runs 7 minutes
faster per hour and another clock that runs 3 minutes
slower per hour. If these clocks are set correctly on
April 1st at 8 am, when will these clocks tell the same
time again?
1 After one hour, what is the difference in time between these two clocks?
2 After one day, what is the difference in time between these two clocks?
3 What is the difference in time between these two clocks, when they tell
the same time again?
4 When will these clocks tell the same time again after the time from 3 ?
Specify the time and date.
5 There are two clocks: one that runs 1 minute faster per hour and another
that runs 4 minutes slower per hour. If these two clocks are set correctly
today, when (after how many days) will the clocks tell the same time
again?
132 NUMINO Challenge B1
In Ryan’s room, there is a clock that runs 7 minutes
faster per hour and another clock that runs 3 minutes
slower per hour. If these clocks are set correctly on
April 1st at 8 am, when will these clocks tell the same
time again?
1 After one hour, what is the difference in time between these two clocks?
2 After one day, what is the difference in time between these two clocks?
3 What is the difference in time between these two clocks, when they tell
the same time again?
4 When will these clocks tell the same time again after the time from 3 ?
Specify the time and date.
5 There are two clocks: one that runs 1 minute faster per hour and another
that runs 4 minutes slower per hour. If these two clocks are set correctly
today, when (after how many days) will the clocks tell the same time
again?
132 NUMINO Challenge B1
