Page 134 - NUMINO Challenge_D1
P. 134
Problem solving
1 The minute hand rotated 210 from 5:10. Key Points
How many degrees has the hour hand moved?
Find the exact time. The minute hand
rotates 6 per
minute.
2 Sherlock Holmes was searching for clues to The minute hand
solve a mystery and found a broken watch on turned 150 more
the floor. He assumed that the crime happened than the hour hand
at the time the watch stopped. The watch did during the time
not have any numbers or notches, but the angle between 1 o'clock
formed by the clock hands was 120 . Find the and the time of the
exact time of the crime if it happened between 1 crime.
and 2 o'clock.
131Measurement
1 The minute hand rotated 210 from 5:10. Key Points
How many degrees has the hour hand moved?
Find the exact time. The minute hand
rotates 6 per
minute.
2 Sherlock Holmes was searching for clues to The minute hand
solve a mystery and found a broken watch on turned 150 more
the floor. He assumed that the crime happened than the hour hand
at the time the watch stopped. The watch did during the time
not have any numbers or notches, but the angle between 1 o'clock
formed by the clock hands was 120 . Find the and the time of the
exact time of the crime if it happened between 1 crime.
and 2 o'clock.
131Measurement
