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Number GCSE revision

Higher only
Revision  links 
Integers, primes, square and cube numbers   card        
Integer and decimal addition and subtraction   card        
Integer and decimal multiplication   card        
Integer and decimal division   card        
Convert improper fractions and mixed numbers   card        
Fraction addition and subtraction   card        
Fraction mutliplication and division   card        
Finding a fraction of an amount   card        
Place value and ordering of decimal numbers   card        
Calculating with negative numbers   card        
Order of operations using BIDMAS   card        
Convert fractions, decimals and percentages   card        
Convert recurring decimals and fractions   card        
Finding a percentage of an amount   card        
Increase or decrease an amount by a percentage   card        
Express one number as a percentage of another   card        
Reverse percentages   card        
Repeated percentage change   card        
Simple interest, compound interest and depreciation   card        
Reverse compound interest yes card        
Expontential growth or decay yes card        
Powers and roots   card        
Factors and multiples   card        
HCF and LCM   card        
Reciprocals   card        
Product of primes   card        
HCF and LCM using venn diagrams   card   video    
Rounding to 1, 10 and 100   card        
Rounding to decimal places   card        
Rounding to significant figures   card   video    
Truncating to decimal places   card   video    
Error intervals   card   video    
Estimating   card        
Lower and upper bounds yes card        
Laws of indices   card   video 1    video 2 
Change base of indices yes card   video     
Zero and negative indices   card   video 1   video 2
Fractional indices yes card   video    
Convert standard form to/from ordinary form   card    video 1   video 2 
Standard form multiplication and division   card   video 1    video 2 
Standard form addition and subtraction   card   video     
Writing and simplifying ratio   card        
Write ratio as a fraction   card        
Share an amount in a ratio   card        
Use ratio diagrams   card        
Solve ratio problems   card        
Direct proportion problems   card        
Inverse proportion problems   card        
Finding proportion formulae yes card        
Rules for x ÷ + - surds yes card   video 1   video 2
Expand surd brackets yes card   video    
Simplify individual surds yes card   video    
Simplify by rationalising a surd yes card   video 1   video 2