Transum Software

Rounding to 3 Significant Figures

Practise your rounding skills with this self marking exercise.

Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Description Help More...

This is level 6; Rounding numbers to three significant figures. You can earn a trophy if you get at least 17 correct.

67.46

Correct Wrong

46.13

Correct Wrong

3.695

Correct Wrong

594.7

Correct Wrong

4517

Correct Wrong

4321

Correct Wrong

83270

Correct Wrong

19250

Correct Wrong

541400

Correct Wrong

281800

Correct Wrong

0.2867

Correct Wrong

0.3161

Correct Wrong

0.03232

Correct Wrong

0.01932

Correct Wrong

0.007638

Correct Wrong

0.007591

Correct Wrong

4896000

Correct Wrong

74930000

Correct Wrong

0.0005293

Correct Wrong

0.0004599

Correct Wrong

0.0001699

Correct Wrong

Check

This is 'Rounding to 3 Significant Figures'. You can also try rounding to:
Whole number 1 decimal place 2 decimal places 1 sig fig 2 sig figs Ten, hundred etc

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.

Transum.org

This web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available.

Please contact me if you have any suggestions or questions.

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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 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."

Comment recorded on the 9 April 'Starter of the Day' page by Jan, South Canterbury:

"Thank you for sharing such a great resource. I was about to try and get together a bank of starters but time is always required elsewhere, so thank you."

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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:

Ole Frehr, Denmark

Wednesday, August 12, 2015

"I just found your web page with the online quiz with three significant figures. It's great! Thank you for putting it online! I think my students will enjoy it."

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.

Apple

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Description of Levels

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Level 1 - Rounding numbers to the nearest whole number

Level 2 - Rounding numbers to one decimal place

Level 3 - Rounding numbers to two decimal places

Level 4 - Rounding numbers to one significant figure

Level 5 - Rounding numbers to two significant figures

Level 6 - Rounding numbers to three significant figures

Level 7 - Rounding numbers to the nearest ten, hundred etc

Rounding Videos

Rounding to decimal places: A straight forward explanation from SLEP about how to round a number to a given number of decimal places.

Rounding to significant figures: Another video from SLEP but this one is about rounding to a given number of significant figures.

Significant figures: CGP Maths Tutor explain what 'significant figures' means, then talks you through some examples. A video tutorial.

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.

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