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 1B contains more than 500 examples and exercises and covers:
subtraction
number relationships
describing groups of objects
fractions
shapes and patterns
measurement and space
graphs
symmetry
coins
concept of division
concept of time
concept of volume
revision
answers
New visual Maths - Step by Step Instructions