Elementary Mathematics Workbook from Grade 1 to Grade 4

 This book offers practice in basic mathematics skills.

More than 1500 exercises with solutions are included.
Learn the rules, understand the examples, work on the
exercises and check-out their solutions!

Contents:
- Rules
- Addition
- Subtraction
- Multiplication
- Division
- Mixed Operations
- Relations
- Operations with Zero
- Operations with Infinity
- Equations
- Sequences
- Fractions
- Addition of Fraction Numbers
- Subtraction of Fraction Numbers
- Increasing Order
- Decreasing Order
- Time
- Money
- Geometric Measurement

About the author:
Attila Benko has a PhD in information science, 
was teaching math, he is a sci-fi book author and 
working as a software-developer.