Curriculum materials for students, schools and colleges created by MathsNet in partnership with AngliaCampus.

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A. The arithmetic of integers (including HCFs and LCMs), of fractions and of real numbers. A1: Integers Prime numbers. Prime factor decomposition. A2: HCFs & LCMs Highest common factor Least common multiple A3: Fractions Recurring decimals are exact fractions. Some exact fractions are recurring decimals. Multiply and divide a given fraction by a general fraction A4: Real numbers Understand 'reciprocal' as multiplicative inverse. Multiply and divide by a negative number. Use inverse operations. Round to a given number of significant figures. Standard index form. Calculate with standard index form. Use surds in exact calculations. Rationalise a denominator.