‹ Maths Essentials
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 8 min
Lessons
Practice and tests
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) Helps with: GCSE (AQA, Edexcel, OCR)
Next unit: Fractions, decimals and percentages
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