Solve problems that involve finding profit or loss, % profit or loss (on the cost price), discount, % discount, selling price, compound interest for not more than 3 years, income tax (standard rate only), net pay (including other deductions of specified amounts)
Students studying at OL should be able to:
Check a result by considering whether it is of the right order of magnitude and by working the problem backwards; round off a result – accumulate error (by addition or subtraction only)
Solve problems that involve
compound interest, depreciation (reducing balance method), income tax and net pay
costing: materials, labour and wastage
calculating cost price, selling price, loss, discount, markup and margin
Workshop material focusing on arithmetic, number systems and applied arithmetic. Key terms covered include; Local property tax, constant ratio, Compound interest, depreciation, savings, investments, and annuities. Sample questions and solutions provided too.
PowerPoint presentation with sections on Investigating Compound Interest, Discovering the Formula, Investigating the, Compounding Period, Depreciation, Reducing Balance and Revision of Prior Knowledge Required.
Use this interactive file to investigate where on the number line different fractions are located.
Drag the sliders to change the fraction.
Drag the red dot to where you think this fraction is located on the number line.
Click on the check box to see if you put the red dot in the correct location.
Reset the applet to start again.
Registering for a Scoilnet Account – your first step to contributing and sharing
What you need...
To register for a Scoilnet Account you will need to have a Teaching Council number and a roll number for your school in Ireland.
If you already have a Scoilnet Account then you can sign in here.
A Scoilnet account will allow you to upload your resources or weblinks to Scoilnet as well as enabling you to share and add resources to a favourites listing. Users who have a Scoilnet Account will also be able to fully access
Scoilnet Maps and
Census@School from home.