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Wednesday 18 December 2013

Problem Solving - Riddle

1.
My life is often a volume of grief, your help is needed to turn a new leaf. Stiff is my spine and my body is pale, but I'm always ready to tell a tale. What am I?

2.Brothers and sisters, I have none but this man's father is my father's son. 
Who am I looking at?

3.
You are shown two doors - one leading to hell and the second one to heaven and only the door guards know what is behind the doors. One guard is always lying and the other is always telling the truth (of course, you don't know who is lying). You can ask only one guard one question. 
What question can get you to heaven?



4.
If you had a 5-liter bowl and a 3-liter bowl, and an unlimited access to water, how would you measure exactly 4 liters?



5.
If someone says "I always lie", are they telling the truth? Or are they lying?

Nollaig Shona!

Quadratic Graphing - 3rd Years

Tricky Geometry Problem


Monday 16 December 2013

Constructions

Find all leaving cert constructions here.

Mr.Sweeney

Arithmetic - Percentages - Foreign Exchange - Tax - VAT - Bills

Here are a few questions on all the happy parts of the Junior Cert Higher Level course.





Best of luck.

Mr.Sweeney

Quadratic Equations

Here are the equations we looked at in class today;




Complete the worksheet by clicking here.

Click here for another one.




Good luck.

Mr. Sweeney

Limits and Continuity

Have a think about limits by reading this article.

You will find a mathematical definition of limits by clicking here.

This webpage explains how to solve simple limits using algebra.

Here are some limits which tend to infinity.


Have a look at this short video.

Good luck.

Mr.Sweeney

Thursday 12 December 2013

Polygons

Please click here.

Mr.Sweeney

DCU Talent Search



ARE YOU A TALENTED MATHEMATICIAN?!

DCU are running a talent search. Details are available here.

You can download the application form by clicking here.

Go on - You know you want to!

Wednesday 11 December 2013

Graphing Functions - Exam & Solutions





Have a go!

Mr.Sweeney

Quadratic Exam & Solution


Geometry - Congruent Triangles

Explore the concept of a congruent triangle by clicking here.

There is a simpler version of this exercise available by clicking here.


Here is a simple lesson on introducing congruent triangles




See below for a worked out example on how to prove 2 triangles are congruent





Click here to do a quick test!

Best of luck.

Mr.Sweeney.

Tuesday 10 December 2013

The Trapezoidal Rule

Please find below a worked out past examination question concerning the trapezoidal rule!








This is a very complicated example for leaving cert higher level only.



Please investigate this topic further by completing the following two activities provided by the Project Maths Development Team; 

 1. Activity 1 

2. Activity 2 

There are further worked out exam questions available here and here.

 Good luck. 

 Mr.Sweeney.

Geometry 1

The word ‘geometry’ comes from the Greek

words ‘geo’, meaning earth, and ‘metria’, 

meaning measure.




Get some practice on the definitions by taking the quiz.

There is a slightly more difficult quiz available here.



This one here is aimed more at leaving cert students.

Click here for further practice.

There is an interactive game available here!


Good luck.

Mr.Sweeney.

Thursday 5 December 2013