ADDITION AND SUBTRACTION OF TIME - YEAR 3

58 seconds + 29 seconds - 45 seconds =

• 16 seconds

• 42 seconds

• 132 seconds

54 minutes - 40 minutes + 38 minutes =

• 24 minutes

• 52 minutes

• 56 minutes

78 hours + 24 hours - 52 hours =

• 154 hours

• 127 hours

• 50 hours

4 hours 19 minutes + 6 hours 35 minutes - 7 hours 30 minutes =

• 3 hours 24 minutes

• 3 hours 54 minutes

• 4 hours 24 minutes

128 minutes 55 seconds + 214 minutes 48 seconds - 223 minutes 15 seconds =

• 119 minutes 43 seconds

• 120 minutes 28 seconds

• 120 minutes 43 seconds

55 minutes - 39 minutes + 25 minutes =

• 41 minutes

• 69 minutes

• 119 minutes

13 hours + 2 hours - 9 hours =

• 2 hours

• 6 hours

• 20 hours

5 minutes 17 seconds + 25 seconds - 2 minutes 40 seconds =

• 3 minutes 2 seconds

• 7 minutes 2 seconds

• 27 minutes 37 seconds

13 hours - 2 hours 30 minutes + 9 hours 25 minutes =

• 19 hours 55 minutes

• 20 hours 55 minutes

• 24 hours 55 minutes

51 seconds + 36 seconds - 55 seconds =

• 32 seconds

• 70 seconds

• 87 seconds