‹ GCSE Maths
Place value, rounding and bounds
The number skills every other topic leans on: place value, calculating without a calculator, factors and primes, rounding, estimating and bounds.
Start: Place value and ordering About 20 min
Lessons
Practise and test
By the end you can
Order integers, decimals and negative numbers, and use the inequality symbols Calculate without a calculator, in the right order of operations Find factors, multiples, primes, HCF and LCM, and write a number as a product of primes Round to decimal places and significant figures, and estimate Write error intervals, and work with upper and lower bounds (Higher) Revision notes
Specifications DfE content (all boards) N1, N2, N3, N4, N5, N14, N15, N16AQA 8300 NumberPearson Edexcel 1MA1 NumberOCR J560 1 Number operations and integers; 4 Approximation and estimation
Next unit: Non-calculator methods
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