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Strand 3 Leaving Certificate Higher Level Numbers and Shapes

This free online maths course looks at Numbers and Shapes, a central topic in the Leaving Certificate Paper.

Publisher: Advance Learning
This free online course on Numbers and Shapes is designed to support to any student studying project maths in their Leaving Cert. However, it will be helpful to anyone studying maths in this area. This 'Numbers and Shapes' topic can be seen in paper 1 of the Project Maths Course in the Irish curriculum. By completing this course, you will have covered all of the essential concepts of the topic.
Strand 3 Leaving Certificate Higher Level Numbers and Shapes
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The concepts of number patterns are the basic building blocks that make up arithmetic and algebra. We cannot escape the use of numbers in our day to day lives. We use watches and clocks to count through the hours and minutes. We count out money for our bills and play the lottery by choosing six numbers.

The application of Geometric and Arithmetic series in finance is looked at through loan repayments and investments. The use of APR (annual percentage rate) and AER (annual equivelant rate) when calculating repayments is looked at. Students are then introduced to complex numbers and shown how to subtract, add, divide and multiply complex numbers.

Complex numbers represent the flow of current in circuits and they are also used in many other areas of electronics. We use numbers to measure the area and perimeter of various shapes (triangles, circles, hexagons and rectangles) and we also use them to work out the volumes of solids like cylinders, spheres, cones and hemi-spheres.

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