This content covers grades 4 to 5 of the GCSE syllabus which is suitable for KS3 and KS4 and is likely to be coverered in years 8-10 of UK schooling. This content is essential for achieving "grade C equivalent" - a "pass".

Adding and subtracting fractions 00:06:25

Adding and subtracting fractions Assessment

Exchange rates 00:03:08

Exchange rates Assessment

Product of prime factors using “prime factor trees” 00:02:53

Product of prime factors (prime factorisation) Assessment

Reciprocals 00:02:41

Reciprocals Assessment

Laws of indices 00:04:33

Index Laws Assessment

Increasing and decreasing by a percentage 00:02:12

Increase and decrease by a percentage Assessment

Percentages of a quantity (decimal multipliers) 00:03:54

Using decimal multipliers (increase / decrease - percentage of amounts) Assessment

Compound interest 00:05:26

Compound interest Assessment

Simple interest 00:01:11

Simple Interest Assessment

One number as a percentage of another, and finding a percentage increase or decrease 00:02:25

One number as a percentage of another Assessment

Percentage increase or decrease between 2 amounts Assessment

Standard Form 00:06:03

Standard form Assessment

Standard form calculations Assessment

HCF and LCM using Venn diagrams 00:05:06

HCF and LCM with Venn diagrams Assessment

Reverse percentages 00:04:34

Reverse percentages Assessment

Multiplying and dividing fractions 00:03:34

Multiplying and dividing Fractions Assessment

Multiplying and dividing decimals 00:03:11

Multiplying and dividing decimals Assessment

Fractions of quantities 00:02:18

Fractions of quantities Assessment

Negative indices 00:03:03

Negative indices Assessment

Unitary ratios 00:03:54

Unitary ratio Assessment

Ratio and sharing 00:03:06

Ratio and sharing into ratios Assessment

Combining ratios 00:02:00

Combining ratios Assessment

Recurring decimals 00:02:29

Recurring decimal notation Assessment

Harder percentages without a calculator 00:04:12

Harder percentages without a calculator Assessment

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Simplifying expressions

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Grade 4 to 5 GCSE Exam Problem Solving Question Workbook

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Number: 1 to 3?

Algebra: 1 to 3?

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Algebra: 4 to 5?

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