# Number

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Numbers in and from words and place value Ordering Integers Ordering fractions, decimals and percentages Multiplying and dividing by powers of 10  Number operations (BIDMAS) Simple percentages Converting between fractions and decimals Converting between decimals and percentages Converting improper fractions and mixed numbers Converting between fractions & percentages Division using the bus stop method (including decimals) Basic venn diagrams Factors and highest common factors (HCF) Multiples and lowest common multiples (LCM) Multiplication using standard methods Indices notations, powers and roots Rounding to integers (whole numbers), 10s, hundreds and decimal places Estimating by rounding to significant figures Equivalent fractions & simplifying fractions Subtracting whole and decimal numbers Add, subtract, multiply, divide negative numbers Money problems Types of numbers Using a calculator  Increasing and decreasing by a percentage Percentages of a quantity (leading to increasing and decreasing) Compound interest Similar or related calculations Simple Interest One number as a percentage of another Standard Form Using venn diagrams to find LCM and HCF Reverse percentage calculations Multiplying and dividing fractions Multiplying and dividing decimals Fractions of quantities Negative Indices Unitary ratios - calculating best value Ratios Combining ratios Recurring decimals Calculating harder percentages without a calculator Exchange rates Product of prime factors Reciprocals Laws of indices Time tables Fractional (combined with negative) Indices Accuracy with bounds Finding upper and lower bounds with problems Converting numbers to use laws of indices Calculations with surds - expanding brackets Rationalising the denominator (surds) Percentage errors in bounds Error intervals and truncating Manipulation and simplification of surds (multiply and divide rules) Direct and inverse proportional change Converting recurring decimals to fractions 