Time Addition and Subtraction Quiz

When adding 27 minutes and 18 minutes, what is the correct way to handle the sum of the minutes?

• Write the sum directly as 45 minutes.

• Ignore the carry over.

• Write 5 and carry over 1 to the next column.

• Convert the sum to hours immediately.

If you have 73 minutes, how do you convert it to hours and minutes?

• Convert it to 1 hour and 13 minutes.

• Convert it to 2 hours and 13 minutes.

• Keep it as 73 minutes.

• Convert it to 1 hour and 73 minutes.

In the example of adding 86 minutes to 12 hours, what is the final time after regrouping?

• 12 hours and 86 minutes

• 13 hours and 86 minutes

• 13 hours and 26 minutes

• 12 hours and 26 minutes

When subtracting time, what should you do if the minutes on top are smaller than the minutes on the bottom?

• Subtract directly without any changes.

• Borrow an hour and convert it to 60 minutes.

• Add an hour to the top time.

• Ignore the difference and proceed.

In the subtraction example where 33 minutes is smaller than 45 minutes, what is the correct final time after borrowing?

• 5 hours and 12 minutes

• 6 hours and 48 minutes

• 7 hours and 33 minutes

• 8 hours and 48 minutes