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.
We've sent an email with your order details. Order ID #:
To access this title, visit your library in the app or on the desktop website.
Marred by wrong information, 3 x 8 is 24, not 25
Times table gives wrong answers