Grade 4 - Progress in Mathematics

Equivalent Units of Time

Write A.M.or P.M.to make each statement reasonable.

7. Bill has breakfast at 7:15 8. School lets out at 3:00


8. Ann goes to bed at 9:30 10. School begins at 8:00

Write the time. Use A.M.or P.M.

11. 10 minutes past 8 12. 22 minutes to 10
    in the morning at night


12. 36 minutes past 4 14. 8 minutes to 9
    in the afternoon in the morning


13. 18 minutes to noon 16. 45 minutes past midnight

??

??

How many seconds are

in 42 minutes?

Multiply to rename larger

units as smaller units.

42 min
 s

42 min
(42 60 ) s

?

1 min
 60 s

60 seconds (s)
1 minute (min)

60 minutes 
1 hour (h)

24 hours 
1 day (d)

7 days 
1 week (wk)

365 days 
1 year (y)

52 weeks 
1 year

12 months (mo) 
1 year

42 min
2520 s There are 2520 seconds in 42 minutes.

Complete each table to find equivalent measures.

d 1?3?

h 24?? 96

min 60?? 240

h ?2??

y ?2??

wk 52?? 208

mo?? 36?

y 1?? 4

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