The Easy-learn Maths series is a comprehensive easy-to-follow set of workbooks (two per grade) with simple and concise explanations and a great number of exercises ranging from easy to the more difficult.  The series nurtures a thinking child and is challenging and stimulating.
Basic Skills - Easy Learn Maths 6B contains more than 500 examples and exercises and covers:
Decimals - Various Operations
Multiplication and Division with Decimals
Percentages - Various Operations
Rate and Speed Substitution
Order of Operations
Three and Four Sided Figures
Constructions and Properties
Volume and Capacity - Cubes and Rectangular Prisms
Word Problems
Algebra - Introduction, Simple Use of Symbols
Extensive Revision of the Whole Course
Answers
New visual Maths - Step by Step Instructions