Maths Grinds » Posts

12 Jun 2021

Leaving Certificate Examination 2021 Mathematics Paper 1 Higher Level

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Hi all, I did Leaving Certificate Examination 2021 Mathematics Paper 1 Higher Level this weekend. So, it may not be 100% perfect but here is my attempt 🙂 Also, I noticed the paper had very little choice even though it had “choice”, that is, it had a lot of Calculus in it, this I found...

22 Apr 2021

Formulae & Tables (Log Tables)

Posted Bystephen

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Hi everyone, here is a copy of the latest Irish State Formula Book, it is English only and trimmed to the max 🙂 Note: There is an error in the PDF, the power on the volume of a Sphere should be a 3 and not a 2. This was only a draft document and not the...

12 Apr 2021

Junior Cert (H) Maths — Income Tax

Posted Bystephen

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Junior Certificate Examination 2019 Mathematics Paper 1 Higher Level Question 4a Junior Certificate Examination 2018 Mathematics Paper 1 Higher Level Question 10 Junior Certificate Examination 2015 Mathematics Paper 1 Higher Level Question 3 Junior Certificate Examination 2014 Mathematics Paper 1 Higher Level Question 7 Junior Certificate Examination 2013 Mathematics Paper 1...

9 Apr 2021

Leaving Cert (H) Maths – Financial Maths

Posted Bystephen

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Leaving Certificate Examination 2020 Mathematics Paper 1 Higher Level Question 5 Leaving Certificate Examination 2017 Mathematics Paper 1 Higher Level Question 8 Leaving Certificate Examination 2015 Mathematics Paper 1 Higher Level Question 6 Leaving Certificate Examination 2013 Mathematics Paper 1 Higher Level Question 6 Latest PSI Licence: “Contains Irish Public Sector Information...

31 Jan 2021

Factorising Quadratics

Posted Bystephen

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So, in this video I’m looking at speed-running the factorization of $4x^2 – 19x + 12$. Again, normal rules apply, basically I can only do what an exam student can do (e.g. use an approved calculator etc.). I do pre-program into my calculator the quadratic formula, this is something you are allowed to do for...

30 Jan 2021

What Happened to Question of the Day?

Posted Bystephen

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So, I’ve being trying to do an interesting question per day in the hope that others will find the solution interesting or useful. However, considering some of my videos have 0 views, it would seem the answer is a no 🙂 So, rather than continuing putting more months of work into this instead I’ll look...

16 Jan 2021

Question of the Day

Posted Bystephen

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[Continues from yesterday] Formally test the equality of the long-run average values for the indices at the two sampling stations, using a significance level of $\alpha=0.05$. Calculate the 95 percent confidence interval for the difference between the long-run averages. Explain the relationship between the results of these two statistical analyses.

15 Jan 2021

Question of the Day

Posted Bystephen

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In a study of the use of macroinvertebrate communities as pollution indicators, the effectiveness of a numerical species diversity index to indicate aquatic degradation due to acid mine drainage was investigated. A high diversity index should indicate an unstressed aquatic system. Two sampling stations were chose, one upstream and one downstream of the discharge point....

14 Jan 2021

Question of the Day

Posted Bystephen

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A large dairy cooperative has three lines for packaging blocks of cheese. The packaging equipment is subject to random faults in that, on average, line A fails to stamp the sell-by date on label 1 in 200 times; the corresponding figures for lines B and C are 1 in 100 and 1 in 50. Of...

13 Jan 2021

Question of the Day

Posted Bystephen

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Babies with a particular congenital disorder are born in a large maternity hospital at a rate of two per four-week accounting period (FWAP). In any given FWAP what is the probability that more than three babies with this condition will be born in the hospital?

John Ward

14/02/2022

Stephen is an absolute gentleman and master of his craft. He helped me achieve the level required in maths to start my degree course in electronic engineering having been away from education for 25 years. I can't thank him enough and would recommended him to anyone looking for help with maths.

Alexandra L.

06/09/2021

Stephen is one of the best teachers I have ever encountered. His patience, encouraging nature and ability to motivate has yet to be matched by anyone else. I was part of the 2021 leaving cert class and yes, it was a hard hard year all around. I started feeling buried in my maths work and all the tests we had weekly but Stephen helped me manage everything I needed to get done, either study for tests, complete my homework or explain maths problems I've always had a difficulty with. I could not reccomend his grinds more. Stephen puts so much of himself into helping his students and actually cares to see them improve and become more confident in their maths skills. I could have never done it without him. 1000/10 would reccomend so if you're thinking about it, I'd take up his grinds classes again in a heartbeat :))