| IB Studies - Number |
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| Number |
- Types of number: integers, rational numbers, and real numbers.
- Using BODMAS
- Using a calculator correctly.
- Adding, subtracting, multiplying and dividing fractions.
- Rounding off numbers to set decimal places.
- Rounding off numbers to significant figures.
- Estimating and approximating numbers.
- Finding errors in rounded numbers.
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| Standard form and indices |
- Using index form, including 0, 1, fraction and negative indices.
- Simplifying numbers written in index form.
- Write numbers standard form.
- Calculations with standard form numbers.
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| Units |
- Choosing the correct unit for measure.
- Estimating metric measure.
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| Ratio |
- Simplifying ratios.
- Splitting numbers correctly into given ratios.
- Direct and indirect proportion.
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| Percentage |
- Finding percentage errors.
- Converting between percentages, decimals and fractions.
- Finding percentage increase and decrease.
- Finding reverse percentages.
- Finding simple interest.
- Finding compound interest.
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| Time and average speeds |
- Reading timetables.
- Converting between hour notation in decimal and hours and minutes and vice versa.
- Converting between 12 and 24 hour time.
- Time, speed, distance calculations.
- Finding the average speed for journeys of more than one part.
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