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1.3a - Working with Quadratic Equations

We have below bronze, silver and gold tutorials for Quadratic Equations in the Relationships unit of National 5 Mathematics. Bronze tutorials are typically unit assessment standard with the silver tutorials providing typical "exam type" questions as examples. If you can manage these you should try our more advanced gold tutorials containing the more unpleasant "exam type" questions. Typically as you work through the modules, the difficulty of the skills increase by one step ensuring smooth progression. Simply click on the video to play it and pause it at the relevant points for you to attempt the questions. Each tutorial has a corresponding worksheet for you to download if additional practice is required. Make sure you have a pen and paper handy! Once you've mastered the skills, why not try the Pastpaper questions at the bottom of the page?

Prior Knowledge!

These are the skills that you should already have mastered with BEFORE you begin studying this National 5 module. If you are unsure, watch the videos and try some questions.

  • Solving 1-step equations 1 (MTH 315a)            Bronze       Silver       Gold
  • Solving multi-step equations (MTH 315a)         Bronze       Silver       Gold
  • Common Factor (E+F 1.2b)                             Bronze       Silver       Gold
  • Difference of 2 Squares (E+F 1.2b)                  Bronze       Silver       Gold
  • Trinomials (E+F 1.2b)                                     Bronze       Silver       Gold

Bronze Level

This unit is about solving quadratic equations graphically, by factorisation and by using the quadratic formula.

 

This bronze tutorial takes you through some basic examples of all three methods.

VIDEO 108: Outcome 1 - Graphically. Grab a pen and your Rigour jotter. Make sure you try all the questions! 

Video 109: Outcome 2 - Factorising. Remember to copy down the worked examples and take notes. These will help you revise and remember!

Video 110: Outcome 3 - Quadratic formula. The final video in this module. After this, remember to think about your next steps!

Do you need to check your working? If so, download the full solutions to the questions in the video lessons for REL 1.3a - Working with Quadratic Equations at bronze level below;

REL 1.3a Bronze Solutions.pdf
Adobe Acrobat document [668.4 KB]

Next steps at Bronze Level

Additonal questions to practise

This bronze worksheet provides you with more straight forward questions to practice. To check your answers click here.

N5 R 1.3a B Wk 3.pdf
Adobe Acrobat document [850.9 KB]

Bronze Level self-marking quiz

If you feel you have mastered these skills why not try this short quiz under exam conditions? You will be provided with instant feedback so be sure to view it. Remember to re-do any video lessons (or use the worksheet) for any questions you answered incorrectly. Once you have completed the quiz, record the score in your profile and move onto silver level!

Silver Level

Silver increases the skill level by bringing in factorising into outcome 2 and some of those nasty negatives into outcome 3.

 

VIDEO 111: Outcome 1 - Graphically. Grab a pen and your Rigour jotter. Make sure you try all the questions! 

Video 112: Outcome 2 - Factorising. Remember to copy down the worked examples and take notes. These will help you revise and remember!

Video 113: Outcome 3 - Quadratic formula. The final video in this module. After this, remember to think about your next steps!

Do you need to check your working? If so, download the full solutions to the questions in the video lessons for REL 1.3a - Working with Quadratic Equations at silver level below;

REL 1.3a Silver Solutions.pdf
Adobe Acrobat document [642.2 KB]

Next steps at Silver Level

Additional questions to practise

Improve your silver skills with these additional questions. Check your answers here.

N5 R 1.3a S Wk 3.pdf
Adobe Acrobat document [849.1 KB]

Silver Level self-marking quiz

If you feel you have mastered these skills why not try this short quiz under exam conditions? You will be provided with instant feedback so be sure to view it. Remember to re-do any video lessons (or use the worksheet) for any questions you answered incorrectly. Once you have completed the quiz, record the score in your profile, go for gold and/or try the past paper questions!

Gold Level

In gold level you are required to factorise trinomials with more than 1 squared term. You may feel the need to revise the factorising module in the Expressions & Formulae unit first if you haven't yet developed those skills. Outcome 3 introduces double negatives when solving using the Quadratic Formula. Good luck!

VIDEO 114: Outcome 1 - Graphically. Grab a pen and your Rigour jotter. Make sure you try all the questions! 

Video 115: Outcome 2 - Factorising. Remember to copy down the worked examples and take notes. These will help you revise and remember!

Video 116: Outcome 3 - Quadratic formula. The final video in this module. After this, remember to think about your next steps!

Do you need to check your working? If so, download the full solutions to the questions in the video lessons for REL 1.3a - Working with Quadratic Equations at gold level below;

REL 1.3a Gold Solutions.pdf
Adobe Acrobat document [649.9 KB]

Next steps at Gold Level

Additional questions to practise

If you feel you didn't quite succeed in the gold tutorial, please try our gold worksheet for more practice. To check your answers click here.

N5 R 1.3a G Wk 3.pdf
Adobe Acrobat document [847.4 KB]

Gold Level self-marking quiz

If you feel you have mastered these skills why not try this short quiz under exam conditions? You will be provided with instant feedback so be sure to view it. Remember to re-do any video lessons (or use the worksheet) for any questions you answered incorrectly. Once you have completed the quiz; record the score in your profile and try the past paper questions!

SQA Pastpaper Questions with Video Solutions...

Once you have mastered the skills, why not try the pastpaper questions? Click on each question to play the video. Pause it when prompted to do so and have a go yourself first. When you've finished check the solution. You should aim to complete these questions more than once at various stages throughout the year. If you feel that you need more practice at that particular question go to the practice area suggested in the video...good luck!

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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