Page 34 - NUMINO Challenge_M1
P. 34
Problem solving

1 A clock stops for ten minutes every hour. If this Key Point
clock is set to the correct time at 1 pm, draw the
time at 4 pm. A clock that stops
for ten minutes
every hour is 10
minutes slower every
hour.

2 Mina’s living room clock is set 5 minutes behind If the living room
the actual time. Mina must get to school by 9 clock shows 9
o’clock and it takes her 20 minutes to go to
school. In order to be on time, at what time will o clock, then the
actual time is 9:05.
Mina have to leave her house?

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