Level 1
Find the following values without a calculator.

Give the time in 24-hour clock.
  1. 8 in the morning
  2. 3 in the afternoon
  3. 7 in the evening
2 m
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Level 1
Find the following values without a calculator.

Give the time in 12-hour clock.
  1. 8 in the morning
  2. 3 in the afternoon
  3. 7 in the evening
2 m
Level 2
35 min 4 s - 18 min 39 s = (a)        min (b)       s
2 m
Level 2
An advertisement on a TV lasts 3 min 10 s. For how long is the advertisement in seconds?
2 m
Level 2
Lyka took 345 seconds to wash the dishes. How long did she take to wash the dishes in minutes and seconds?
2 m
Level 2
Find the following values without a calculator.
  1. 2 min = _____ s
  2. 3 h = _____ min
  3. 240 s = _____ min
  4. 300 min = _____ h
2 m
Level 2
5 min 12 s + 7 min 21 s =            s
2 m
Level 2
Find the following values without a calculator.
  1. 2 min 5 s = _____ s
  2. 3 h 10 min = _____ min
  3. 210 s = 3 min _____ s
  4. 305 min = _____ h 5 min
2 m
Level 2
16 min 15 s - 7 min 25 s =            s
2 m
Level 2
12 h 12 min =            s
2 m