Changing Times

Practise converting times from one unit to another

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This is level 6: Timetables and everyday timing (use conversions in simple real-life situations and finish-time questions)..

Click on the question marks in circles to get a hint and information about the format of your answer.

1

A swimmer swims for 0.75 hours. How many minutes is that?

Multiply by 60.
Type your answer in this format:
" minutes"

2

A bus journey takes 35 minutes. Write this in hours (to 3 sig figs).

Divide 35 by 60 then round to 3 significant figures
Type your answer in this format:
". hours"

3

A train leaves at 09:20 and arrives at 10:05. How long is the journey in minutes?

Count on from 09:20 to 10:05.
Type your answer in this format:
" minutes"

4

A lesson starts at 13:35 and lasts 1.25 hours. What time does it finish?


Type your answer in this format:
":"

5

A video is 18 minutes long. Write this as hours.


Type your answer in this format:
". hours"

6

A cyclist rides for 1 hour 36 minutes. Write this time in decimal hours.


Type your answer in this format:
". hours"

7

A runner’s pace is 4.7 minutes per kilometre. Write this time as minutes and seconds


Type your answer in this format:
" minutes seconds"

8

A student revises for 2.08 hours. How many minutes is this (nearest minute)?


Type your answer in this format:
" minutes"

9

A flight is delayed by 0.35 hours. How many minutes is the delay?


Type your answer in this format:
" minutes"

10

A coach trip is 3.42 hours. Write the time as hours and minutes (nearest minute).


Type your answer in this format:
" hours minutes"

Check

Can you correct your mistakes in order to get full marks?

This is Changing Times level 6. You can also try:
Level 1 Level 2 Level 3 Level 4 Level 5 Level 7 Level 8

Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

Why am I learning this?

Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician?

Comment recorded on the 3 October 'Starter of the Day' page by S Mirza, Park High School, Colne:

"Very good starters, help pupils settle very well in maths classroom."

Comment recorded on the 19 June 'Starter of the Day' page by Nikki Jordan, Braunton School, Devon:

"Excellent. Thank you very much for a fabulous set of starters. I use the 'weekenders' if the daily ones are not quite what I want. Brilliant and much appreciated."

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Description of Levels

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Level 1 - Seconds and minutes (whole-number conversions).

Level 2 - Seconds and decimal minutes (convert seconds to decimal minutes and decimal minutes to seconds).

Level 3 - Minutes and hours (whole-number conversions, including hours and minutes).

Level 4 - Minutes and decimal hours (convert minutes to decimal hours and decimal hours to minutes).

Level 5 - Mixed time formats (convert between h:min:s and a single unit such as minutes or seconds).

Level 6 - Timetables and everyday timing (use conversions in simple real-life situations and finish-time questions).

Level 7 - Days, weeks, months and years (convert between hours, days and weeks etc., including decimal forms).

Level 8 - Rates that force time conversions (speed, flow, pay and download rate problems) and multi-step conversions with rounding.

More on Time including lesson Starters, visual aids, investigations and self-marking exercises.

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Example

You may also want to use a calculator to check your working. See Calculator Workout skill ##.

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can double-click the 'Check' button to make it float at the bottom of your screen.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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