Time Addition and Subtraction Concepts

This video tutorial explains how to add and subtract time in hours and minutes. It begins with basic examples of adding time, including carrying over minutes when they exceed 60. The tutorial then covers subtracting time, demonstrating how to handle cases where borrowing an hour is necessary. By the end, viewers will understand how to perform these operations with time units effectively.

What is the result of adding 5 hours and 18 minutes to 3 hours and 24 minutes?

• 9 hours and 42 minutes

• 8 hours and 42 minutes

• 8 hours and 52 minutes

• 7 hours and 42 minutes

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When adding 6 hours and 35 minutes to 4 hours and 47 minutes, what is the first step?

• Add the hours first

• Convert minutes to hours

• Add the minutes first

• Subtract the minutes

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After adding 6 hours and 35 minutes to 4 hours and 47 minutes, what is the total before converting minutes to hours?

• 9 hours and 82 minutes

• 11 hours and 22 minutes

• 10 hours and 82 minutes

• 10 hours and 72 minutes

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What should you do if the minute value exceeds 60 when adding time?

• Ignore the extra minutes

• Convert the extra minutes into hours

• Subtract the extra minutes

• Add the extra minutes to the next hour

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What is the result of subtracting 3 hours and 31 minutes from 9 hours and 54 minutes?

• 5 hours and 33 minutes

• 6 hours and 33 minutes

• 5 hours and 23 minutes

• 6 hours and 23 minutes

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When subtracting 4 hours and 39 minutes from 8 hours and 27 minutes, what is the first step if the minutes are less?

• Add an hour to the minutes

• Convert minutes to hours

• Borrow an hour from the hours

• Subtract the hours first

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What is the result of subtracting 4 hours and 39 minutes from 8 hours and 27 minutes after borrowing an hour?

• 3 hours and 38 minutes

• 4 hours and 48 minutes

• 4 hours and 38 minutes

• 3 hours and 48 minutes

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What is the new minute value after borrowing an hour when subtracting 4 hours and 39 minutes from 8 hours and 27 minutes?

• 77 minutes

• 67 minutes

• 97 minutes

• 87 minutes

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CCSS.3.MD.A.1

What is the final step in subtracting time when the minutes are greater after borrowing?

• Subtract the hours

• Subtract the minutes

• Add the hours

• Add the minutes

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What is the key concept to remember when borrowing an hour in time subtraction?

• An hour is 60 minutes

• An hour is 50 minutes

• An hour is 70 minutes

• An hour is 80 minutes

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