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29th April

29th April: Arithmetic - Compound Interest & Depreciation

Learning Outcomes

Students studying at FL should be able to:

  • 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 Resources and Presentation
Teaching & Learning Plans
GeoGebra Files
Student Activities
SEC Exam Questions

Modular Course 1 - Module 3 Arithmetic

https://www.scoilnet.ieuploads/resources/32789/32531.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Presentation

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.

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SC Mathematics
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Mathematics

Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

Suggestions for use: Teacher reference for planning a lesson around arithmetic.

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Language: English
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Teaching & Learning Plan - Investigating Compound Interest

https://www.scoilnet.ieuploads/resources/32787/32529.pptx Added: 28 Apr 2020 Contributor: PDST Resource type: Presentation

PowerPoint presentation with sections on Investigating Compound Interest, Discovering the Formula, Investigating the, Compounding Period, Depreciation, Reducing Balance and Revision of Prior Knowledge Required.

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

Suggestions for use: Challenge class to the activities and questions within.

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Connecting Compound Interest and Depreciation

https://www.scoilnet.ieuploads/resources/32788/32530.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Presentation

Booklet Linking Depreciation and Compounding to Prior Knowledge on Exponential Functions using Tables, Graphs and Formulae. SEC Questions Included.

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Mathematics

Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

Suggestions for use: Sample questions to challenge students on the topic.

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Investigating an ESB Bill

https://www.scoilnet.ie/pdst/maths/...udent/lc/lc-numbers/financialmaths/ Added: 09 Nov 2019 Contributor: PDST Resource type: Guide/notes / Simulation

GeoGebra file and student worksheet to learn about electricity bills

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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To Investigate Value Added Tax (VAT)

https://www.scoilnet.ie/index.php?id=1777 Added: 09 Nov 2019 Contributor: PDST Resource type: Guide/notes / Simulation

A GeoGebra file and student worksheet to learn about VAT (Value-Added-Tax).

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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Fractions, Decimals and Percentages

https://www.scoilnet.ie/pdst/maths/...fractions-decimals-and-percentages/ Added: 25 Jun 2019 Contributor: PDST Resource type: Guide/notes / Simulation

Use this interactive file to investigate where on the number line different fractions are located.
Instructions:
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.

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JC Mathematics
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Strand: 2. Numbers

Strand unit: 2. Equivalent Representation of Rational Num.

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Investigation on an ESB Bill

https://www.scoilnet.ieuploads/resources/32782/32524.pdf Added: 28 Apr 2020 Contributor: PDST Resource type:

To be used in conjunction the the GeoGebra File, Investigating an ESB Bill

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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Investigation of VAT

https://www.scoilnet.ieuploads/resources/32786/32528.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Worksheet

To be used in conjunction with the GeoGebra file Investigating VAT

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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2019 LC OL P1 Arithmetic Question

https://www.scoilnet.ieuploads/resources/32790/32532.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Exam Papers

State Examination Commission Leaving Certificate Ordinary Level exam question on arithmetic from the year 2019. One question worth 25 marks from section A.

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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2018 LC OL P1 Arithmetic Question

https://www.scoilnet.ieuploads/resources/32792/32534.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Exam Papers

State Examination Commission Leaving Certificate Ordinary Level exam question on arithmetic from the year 2018. One question worth 25 marks from section A.

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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2018 LC FL Arithmetic Questions

https://www.scoilnet.ieuploads/resources/32793/32535.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Exam Papers

State Examination Commission Leaving Certificate Foundation Level exam question on arithmetic from the year 2018. Two question worth 25 marks each.

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Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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2017 LC OL P1 Arithmetic Questions

https://www.scoilnet.ieuploads/resources/32794/32536.pdf Added: 28 Apr 2020 Contributor: PDST Resource type: Exam Papers

State Examination Commission Leaving Certificate Ordinary Level exam question on arithmetic from the year 2017. One question worth 25 marks from section A.

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Mathematics

Strand: 3. Number

Strand unit: 3. Arithmetic (Financial/Metric System/Error)

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