Transum Software

Time Arithmetic

Practise adding, subtracting, multiplying and dividing times with these self-marking exercises.

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This is level 1: Addition. You will be awarded a trophy if you get at least 9 correct and you do this activity online.

For the first six questions type in your answers in hours and minutes using a colon to separate the hours and minutes for example 1:05 for one hour and five minutes.

1

Add 45 minutes and 35 minutes.

2

Add 48 minutes and 54 minutes.

3

Add 58 minutes and 35 minutes.

4

Add 1 hour and 52 minutes to 1 hour and 17 minutes.

5

Add 2 hours and 59 minutes to 3 hours and 2 minutes.

6

Add four hours and thirty five minutes to seven hours and forty seven minutes.

For the next six questions type in your answers using a colon and am or pm or using the twenty-four hour format using four digits and a colon like this 17:25 for 5:25pm and 08:15 for 8:15am.

7

What time is ten minutes after 10:15am?

8

What time is twenty five minutes after 3:20am?

9

What time is fifty five minutes after 9:40am?

10

What time is twenty five minutes after 11:15pm?

11

What time is one hour fifty minutes after 7:45pm?

12

What time is five hours and thirty six minutes after 1:44pm?

Check

This is Time Arithmetic level 1. You can also try:
Level 2 Level 3 Level 4 Level 5

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 10 September 'Starter of the Day' page by Carol, Sheffield PArk Academy:

"3 NQTs in the department, I'm new subject leader in this new academy - Starters R Great!! Lovely resource for stimulating learning and getting eveyone off to a good start. Thank you!!"

Comment recorded on the 11 January 'Starter of the Day' page by S Johnson, The King John School:

"We recently had an afternoon on accelerated learning.This linked really well and prompted a discussion about learning styles and short term memory."

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Featured Activity

Nine Digits

Nine Digits

Arrange the given digits one to nine to make three numbers such that two of them add up to the third. This is a great puzzle for practicing standard pen and paper methods of three digit number addition and subtraction.

Answers

There are answers to this exercise but they are available in this space to teachers, tutors and parents who have logged in to their Transum subscription on this computer.

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Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

Maths Map

Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

Teachers

If you found this activity useful don't forget to record it in your scheme of work or learning management system. The short URL, ready to be copied and pasted, is as follows:

Alternatively, if you use Google Classroom, all you have to do is click on the green icon below in order to add this activity to one of your classes.

It may be worth remembering that if Transum.org should go offline for whatever reason, there is a mirror site at Transum.info that contains most of the resources that are available here on Transum.org.

When planning to use technology in your lesson always have a plan B!

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

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Scan the QR code below to visit the online version of this activity.

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Description of Levels

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Telling the Time - This might be a good place to start if you need help understanding the basics.

Level 1 - Addition

Level 2 - Subtraction

Level 3 - Multiplication

Level 4 - Division

Level 5 - Mixed

Train Timetables - Practise your time arithmetic skills with this real-life application.

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

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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Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

Example

You may also want to use a calculator to check your working. See Calculator Workout skill 12.

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.

Log in Sign up

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