This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. It pays to master them as they will enable you to do calculations in your head without error, as with written calculations.
Read More
This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. It pays to master them as they will enable you to do calculations in your head without error, as with written calculations.
Read Less
Add this copy of 32 simple tricks for quick mental calculations to cart. $8.06, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2019 by Prodinnova.
Add this copy of 32 Simple Tricks for Quick Mental Calculations to cart. $10.43, new condition, Sold by BargainBookStores rated 4.0 out of 5 stars, ships from Grand Rapids, MI, UNITED STATES, published 2019 by Prodinnova.
Add this copy of 32 Simple Tricks for Quick Mental Calculations to cart. $13.95, new condition, Sold by Russell Books rated 4.0 out of 5 stars, ships from Victoria, BC, CANADA, published 2019 by Prodinnova.
Add this copy of 32 simple tricks for quick mental calculations to cart. $20.15, new condition, Sold by Ria Christie Books rated 5.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2019 by Prodinnova.
Add this copy of 32 simple tricks for quick mental calculations to cart. $21.78, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2019 by Prodinnova.
Add this copy of 32 Simple Tricks for Quick Mental Calculations to cart. $28.30, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Hialeah, FL, UNITED STATES, published 2019 by Prodinnova.
Add this copy of 32 Simple Tricks for Quick Mental Calculations to cart. $57.23, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Hialeah, FL, UNITED STATES, published 2019 by Prodinnova.
