Basic Mental Math Step 2

This is a book of examples on some basics in arithmetic, and cover some basics in subtractions and negative numbers.

• | Author: Seong Kim
• | Publisher: CreateSpace Independent Publishing Platform
• | Publication Date: Aug 23, 2018
• | Number of Pages: 146 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1725752409
• | ISBN-13: 9781725752405