Piotr Plocki
ASIN: B00G7O1HS2
Publisher: vocagram
Pages: 543
Is it difficult for you to work out the correct product of a multiplication? If not, then consider yourself lucky. It's a very useful skill to have. However, if you find yourself struggling with the subject, then you could brush up on Times Tables and learn the essential skills of calculating in your head with ease. Now you'll be able to get it right every time you need it. Give yourself a go!