Math Bites: Grade 1 Addition & Subtraction by Kumon Publishing
Kumon MathBites workbooks are designed to help children who are struggling with confidence in maths develop calculation skills and feel a sense of accomplishment in their work. Each page features a small, bite-sized set of tasks that your child can do in only a few minutes. The supportive structure of each page emphasises effort and practice, to boost your childs motivation to continue.