What you need to know
Check yourself against these “I can” statements.
- I can find the upper and lower bounds of rounded measurements
- I can use bounds in calculations involving trigonometry
Practise this topic
3 resourcesTrig & Bounds
Upper and lower bounds with sin, cos, tan and the sine/cosine rules. Eight difficulty levels, timed, click to reveal.
🔤 Fill the GapsFill the Gaps: Maths Vocabulary
A sentence explaining one of the unit’s key words, with gaps. Pick the right word for each gap from the words scattered round it: the right ones and plenty of wrong ones. A deck for every unit.
⬢ BlockbustersTrig & Bounds Blockbusters
Blockbusters with the questions from the Trig & Bounds worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple choice.
These are the pages for Accuracy in the GCSE scheme of work, following Pearson Edexcel GCSE (9–1) Mathematics, Higher tier (1MA1). Open this topic in Mr Wells Maths to see it alongside the rest of the course.