Leaving Cert Ordinary Level - Cosine Rule

Please watch clip below to help correct Question 18 of tonight's homework. ~Enjoy the weekend.
Mr Gilmartin

LC Ordinary level Sine Rule (2)

Problem Solving - Puzzle 6 The Tricky Triangle

Can you get the triangle pointing downwards by just moving 3 coins? Spend some time trying to figure it out!

Watch the clip below to see how it's done.
Tricky Triangle Puzzle from Magh Éne College on Vimeo.

Problem Solving - Puzzle 7 Sticky Squares

Look at the image on the screen. There are 5 squares. The aim is to move 3 pieces of wood to leave 3 squares remaining. Good Luck!

LC Ord.Level Area and Volume HW - 26/03

LC Homework - Area and Volume

LC Homework Area and Volume

Here are questions 12,14 and 16 for tonights homework
Best of Luck
Mr.Gilmartin

Number Systems

Have a look at the video below to figure out Rational and Irrational numbers!




Best of luck.

Mr.Sweeney

Sample Papers - Leaving Cert

Ordinary Level Paper 1

OLP1

Ordinary Level Paper 2

OLP2

Higher Level Paper 1

HLP1

Higher Level Paper 2

HLP2

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?

UNBELIEVABLE!!!

CLICK HERE FAST!

Tables

MR.SWEENEY

Polygons

Please click here.

Mr.Sweeney

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.

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.

Complex Numbers Exam and Solutions

Exam

Marking Scheme

Enlargements

Please complete the following interactive tasks.

1. Click here.
2. Click here.
3. Click here.
4. Click here.

Here is an old exam question worked out for you;




Good luck.

Mr.Sweeney.

Perimeter, Area and Volume

This is an excellent worksheet for the Perimeter, Area and Volume chapter!

Shapes and Vocabulary

Enjoy. Mr.Sweeney

An easy €100 to be won...

Please click here to enter an easy competition and win yourself €100 before Christmas!

Good luck.

Mr.Sweeney.

Perimeter, Area and Volume