Rob Eastaway - Maths on the Back of an Envelope - Mental maths and problem solving - Paperback
Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 24 Apr 2026)
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Based on a total of 46,997 customer reviews from independent review platforms.
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Maths on the Back of an Envelope : Clever Ways to (Roughly) Calculate Anything
Overall Rating: 4.1 / 5 (average from multiple review sources, as of 16 Apr 2026)
Based on a total of 50,097 customer reviews from independent review platforms.
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Based on a total of 50,097 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 23 Apr 2026)
Based on a total of 5,345 customer reviews from independent review platforms.
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Based on a total of 5,345 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving - Details
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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving - Price Information
- Cheapest price: £9.29
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Pages: 208, Paperback, HarperCollins
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