Estimating & Rounding
MNU 401a
To run the tutorials simply click on the video you wish to play remembering to pause the video when attempting the questions! You should work through the exercises and homework in a squared jotter to keep all your work together. You should mark every section as soon as you finish it and write down your score.
For certain areas you will need a scientific calculator like the casio fx-85GT PLUS.
Good luck! :)
Skills developed in this module;
- Tolerance values
- Tolerance notation
Bronze Level
In our bronze module we learn how to calculate maximum and minimum values, when given a tolerance, for nice friendly whole numbers! We also learn how to write in tolerance notation.
Video 1: Outcome 1 - Maximum and minimum values. Grab a pen and your Rigour jotter. Make sure you try all the questions!
Video 2: Outcome 2 - Tolerance notation. Remember to copy down the worked examples and take notes. These will help you revise and remember!
Next steps...
You'll find more questions to practice in this bronze homework. View the answers here.
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Check your progress with our bronze assessment under exam conditions. Click here to view the answers.
Adobe Acrobat document [69.9 KB]
Silver Level
In our silver module we learn how to calculate maximum and minimum values, when given a tolerance, for decimal numbers. We also practice writing in tolerance notation.
Video 3: Outcome 1 - Maximum and minimum values. Grab a pen and your Rigour jotter. Make sure you try all the questions!
Video 4: Outcome 2 - Tolerance notation. Remember to copy down the worked examples and take notes. These will help you revise and remember!
Next steps...
This silver homework contains another set of practice questions. View the answers here.
Adobe Acrobat document [72.2 KB]
Why not try this silver assessment under exam conditions? You can check your answers here.
Adobe Acrobat document [68.5 KB]
Gold Level
In our gold module we learn how to calculate maximum and minimum values when given a tolerance involving percentages. We also learn how to use tolerance notation to help us calculate either maximum or minimum values.
Video 5: Outcome 1 - Maximum and minimum values. Grab a pen and your Rigour jotter. Make sure you try all the questions!
Video 6: Outcome 2 - Tolerance notation. Remember to copy down the worked examples and take notes. These will help you revise and remember!
Next steps...
For addtional practice try this gold homework. Click here to view the answers.
Adobe Acrobat document [85.8 KB]
Go for gold with assessment under exam conditions. Check your answers here.
Adobe Acrobat document [82.7 KB]
Congratulations!
You have completed this module - well done! Remember to go back and redo any areas of weakness, that's how we improve. If you are happy with all areas, go back to the main menu and pick another topic to practice!
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