# apt4Maths: 13 GCSE & KS3 Maths (Number) Lesson PowerPoint Presentations on Fractions

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This set of 13 Lesson PowerPoint Presentations, written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations, are designed for use by:

**any teacher**– not necessarily a maths specialist – as part of their own delivery of lessons.**students working independently**.

They can be used by:

**cover teachers**.- students who are
**unable to attend their lesson**in person.

Each PowerPoint Presentation includes:

**Lesson objectives****Step-by-step explanations**of the subject matter**Examples**to aid understanding**Questions**to check understanding**Answers**to questions, with explanations**Suggestions**regarding which topic(s) should be moved on to next.

These PowerPoint Presentations are one of several sets of PowerPoint Presentations, which essentially relate to the **‘Number’ **section of the Maths specifications. These other sets concern:

**Place Value and Approximations****Calculations****Percentages**

#### Product Information

This set of 13 Lesson PowerPoint Presentations for GCSE (and Key Stage 3) Maths (143 slides, excluding Title Pages) covers the following fraction-based topics:

**01 Fractions – The Basics**(12 slides): Explains how to recognise fractions – proper, improper, and mixed numbers, how to write fractions correctly, and how to express what fraction of a shape is shaded or unshaded.

**02 Converting between Mixed Numbers and Improper Fractions**(15 slides): Explains how to convert between mixed numbers and improper fractions.

**03 Equivalent Fractions**(9 slides): Explains how to find equivalent fractions and cancel fractions down.

**04 Express as Fractions**(9 slides): Explains how to express one value as a fraction of another.

**05 Comparing and Ordering Fractions**(21 slides): Reviews equivalent fractions and introduces fraction to decimal conversions in order to compare fractions or put them in size order.

**06 Recurring Decimals to Fractions**(10 slides): Explains, using algebra, how to convert a recurring decimal to a fraction.

**07 Adding and Subtracting Fractions**(13 slides): Explains how to add and subtract fractions, including mixed numbers.

**08 Multiplying with Fractions**(10 slides): Explains how to multiply fractions by whole numbers, and how to multiply fractions by fractions (including mixed numbers).

**09 Dividing with Fractions**(8 slides): Explains how to divide fractions by whole numbers, how to divide whole numbers by fractions, and how to divide fractions by fractions (including mixed numbers).

**10 Fractions of Quantities**(10 slides): Explains how to calculate fractions of quantities, and revises multiplying fractions by fractions.

**11 Fractional Change**(8 slides): Explains how to increase or decrease a quantity by a fraction of itself.

**12 Solving Reverse Fraction Problems**(8 slides): Explains how to find the original value when given the increased or decreased value. It also revises dividing by fractions.

**13 Algebraic Fractions**(10 slides): Revises algebraic manipulation and explains how to apply the skills learnt regarding calculations with fractions (adding, subtracting, multiplying, and dividing) to solving problems involving algebraic fractions.

Note:

- Work on fractional indices is included in APT’s set of Lesson PowerPoints on ‘
**Types of Number**‘ (which relates to the ‘**Algebra**‘ section of the Maths Specifications).

- More in-depth work on fraction-decimal-percentage conversions is included in APT’s set of Lesson PowerPoints on ‘
**Percentages**‘.