Simple interest calculations with technology
I can carry out simple interest calculations with a calculator.
Simple interest calculations with technology
I can carry out simple interest calculations with a calculator.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Calculators are very useful here as they can be programmed efficiently.
- This saves time and can reduce error.
- It is also quick to reverse the process to find the original amount.
- The use of a multiplier ensures greater efficiency.
Keywords
Simple interest - Interest is money added to savings or loans. Simple interest is always calculated on the original amount
Compound interest - Compound interest is the interest calculated on the original amount and the interest accumulated over the previous period.
Common misconception
A single digit percentage is incorrectly worked out by dividing by 10 and not 100 e.g 3% = 0.3, e.g. 0.54% = 0.054
Dividing the percentage by 100 gives the decimal equivalent i.e 0.54% = 0.0054
To help you plan your year 10 maths lesson on: Simple interest calculations with technology, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: Simple interest calculations with technology, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 maths lessons from the Percentages unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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