Great Math Tricks: How to Perform Fast Calculation in Head Without a Calculator
- How to Perform Fast Calculation in Head without a Calculator
- Narrated by: Dave Wright
- Length: 41 mins
- Unabridged Audiobook
- Release date: 11-09-14
- Language: English
- Publisher: Sribatsa Das
Chapter 1 - Introduction.
Chapter 2 - Times Table - This chapter presents the times table up to 25.
Chapter 3 - Square - This chapter presents the squares of numbers up to 25. Then, it presents how square of numbers ending with 0, starting with 1 and ending with all 0s, comprising of all 1s, comprising of all 9s and ending with 5.
Chapter 4 - Divisibility - This chapter presents ways to detect divisibility up to number 11.
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Customer ReviewsMost Helpful
By bidb on 13-02-18
Marred by wrong information, 3 x 8 is 24, not 25
Incorrect information. As on 13th February 2018, through the times table the audio book narrates "times eight equals twenty four" during the three times table which is wrong. it should be 25 which is jarring. Also how does 6 × 8 = 38?
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