AQA GCSE Maths Schemes of Work – writing brief D R A F T
Chapter 2 Fractions, decimals and percentages Time:
N1.14 Use calculators effectively and efficiently, including statistical functions.
N2.6 Interpret fractions, decimals and percentages as operators.
N2.7 Calculate with fractions, decimals and percentages.
| |Learning objectives |Grade |Resource |Common mistakes and misconceptions |Support and homework |
| | | |AQA GCSE Maths Middle sets | |Middle sets |Middle sets |
|AQA Modular | | |Student Book; Middle sets | |Teacher Guide |Practice Book |
|specification | | |Teacher Guide | | | |
|reference | | | | | | |
|N2.7 |Find a fraction of an amount |E, D |Section 2.1 |Incorrectly inputting numbers on the calculator. |GPW* 2.1 |Section 2.1 |
| |with a calculator | | |Being unsure of what to work out when a fraction calculation is set in| | |
| |Find a fraction of an amount | | |context. | | |
| |with a calculator in more | | | | | |
| |complex situations | | | | | |
|N2.7 |Write one quantity as a |D |Section 2.2 |Not making the denominator the total in questions involving a number |GPW 2.2 |Section 2.2 |
| |fraction of another | | |of quantities. | | |
| | | | |Working with quantities in different units. | | |
| | | | |Incorrectly cancelling down. | | |
|N1.14 |Use the fraction key on a |E, D |Section 2.3 |Not recognising or know how to use the fraction key on a calculator. | |Section 2.3 |
| |calculator | | |Misinterpreting a mixed number on a calculator display. | | |
| |Use the fraction key on a | | | | | |
| |calculator with mixed numbers | | | | | |
|N2.7 |Find a percentage of an amount|E, D |Section 2.4 |Thinking that percentages over 100% cannot exist. | |Section 2.4 |
| |with a calculator | | |Treating a percentage such as 0.05% as though it were 5%. | | |
| |Find percentages of amounts in| | |Adding the percentage to the cost when finding a percentage increase | | |
| |more complex situations | | |(e.g. £315 + 15% VAT = £330). | | |
|N2.7 |Write one quantity as a |D, C |Section 2.5 |Not using the original amount as the denominator, when finding a | |Section 2.5 |
| |percentage of another | | |percentage difference. | | |
| |Write one quantity as a | | |Working with quantities in different units. | | |
| |percentage of another in more | | | | | |
| |complex situations | | | | | |
|N2.6, N2.7 |Calculate a percentage |D |Section 2.6 |Giving the actual increase/decrease as the answer when the amount | |Section 2.6 |
| |increase or decrease | | |after the increase/decrease is what is required. | | |
| | | | |Using the multiplier as 1.5 rather than 1.05 for an increase of 5%. | | |
|N2.7 |Understand and use a retail |D, C |Section 2.7 |Using a previously found price instead of the base year price. |GPW 2.7 |Section 2.7 |
| |prices index | | | | | |
| |Understand and use a retail | | | | | |
| |prices index in more complex | | | | | |
| |situations | | | | | |
*GPW means ‘guided practice worksheet’ – for students who need a bit more support in class or with homework
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