• Great Math Tricks: How to Perform Fast Calculation in Head Without a Calculator

  • How to Perform Fast Calculation in Head without a Calculator
  • By: Sribatsa Das
  • Narrated by: Dave Wright
  • Length: 41 mins
  • Unabridged Audiobook
  • Release date: 11-09-14
  • Language: English
  • Publisher: Sribatsa Das
  • 1 out of 5 stars 1.0 (3 ratings)

Summary

This audiobook presents ways to perform fast calculations.
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.
©2014 Sribatsa Das (P)2014 Sribatsa Das
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Regular price: £3.89

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Customer Reviews

Most Helpful
1 out of 5 stars
By ScoobySnax on 13-03-17

Times table gives wrong answers

When the narrator said that 3 x 8 = 25, along with another multiplication, I realised that I could not listen any further.

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1 out of 5 stars
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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0 of 1 people found this review helpful

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