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
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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 2 Mar 2026)
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Based on a total of 50,013 customer reviews from independent review platforms.
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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 22 Feb 2026)
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Based on a total of 5,144 customer reviews from independent review platforms.
Sources & Transparency:
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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 - Price Information
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Pages: 208, Paperback, HarperCollins
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