S Chand's Mental Mathematics Class 1 book by Dr. R.S. Aggarwal, Vikas Aggarwal

"The series of Mental Mathematics for Classes 1 to 5 has been designed to provide extensive practice of all types of problems.
Skill tests containing objective type questions have been added at the end of each book to prepare the child for Talent Search and
Olympiad Tests.

• A useful Practice Book for all types of questions
• A Perfect Guide for Olympiads and Talent Search Tests
SPECIAL FEATURES
 This series has been designed to provide practice in all types of questions.
 Skill tests containing objective type questions have been added at the end of each book to prepare the child for
Talent Search and Olympiad Tests.
 Emphasis is laid on practical rather than theoretical approach to fundamental concepts of Mathematics.
 Efforts have been made to present questions in all possible forms, so that the student grasps the concepts
better."