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Adding and Subtracting Time

Objective: I know how to add and subtract time.




Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Solve the following:

a) 3 minutes 35 seconds + 4 minutes 40 seconds
= min sec

b) 5 hours 46 minutes + 3 hours 45 minutes
= hours min

c) 3 weeks 2 days + 5 weeks 8 days
= weeks days

d) 3 years 6 months + 8 years 7 months
= years month

e) 6 minutes 7 seconds – 4 minutes 10 seconds
= min sec

f) 5 hours 6 minutes – 3 hours 9 minutes
= hr min

a) 12 weeks 4 days – 8 weeks 6 days
= weeks days

b) 7 years 8 months – 5 years 10 months
= year months




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