Grade 10 · Numbers · 66 pages · PDF
Order of Operations & Rounding Numbers
Clear, exam-focused notes on BI(O)DMAS, rounding to decimal places and significant figures, estimation and bounds, with fully worked examples.
A complete 21-page IGCSE guide to order of operations and rounding. It starts with BI(O)DMAS, including nested brackets, indices, fraction bars and calculator tips. It then teaches rounding to decimal places, significant figures and the nearest 10, 100 or 1000, as well as truncation and estimating calculations. The final section covers upper and lower bounds, including bounds in area and speed calculations. Every method comes with step-by-step worked examples and common mistakes to avoid. It ends with a summary, a keyword guide and exam tips.
What's in the pack
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Worksheet · 24 pages
Worksheet
Practice questions in the order the notes teach them.
Read the first 4 pages€11.99Main Notes · 22 pages
Main Notes
The full notes: one idea per page, a worked example beside every rule.
Read the first 4 pages€9.99- €9.99
Cheatsheet · 2 pages
Cheatsheet
The whole topic on a page or two, for the night before.
Read the first 2 pagesFree
Topics covered
- Order of operations (BI(O)DMAS)
- Brackets and nested brackets
- Indices and negative numbers
- Using a calculator correctly
- Rounding to decimal places
- Significant figures
- Rounding to the nearest 10, 100 or 1000
- Truncation
- Estimation
- Upper and lower bounds
- Bounds in calculations
- Summary and exam tips
- Format
- Print-ready PDF
- Items
- 4
- Delivery
- By email
Read the first pages
This is the real PDF. Pages 1–4 are free to read; pages 5–22 open once you buy.
18 more pages locked (pages 5–22)
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The whole pack
€31.97
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