Speed Solver – A Practice Book on Mental Maths is a series of eight books for Classes 1 to 8. This series attempts to hone the mathematical skills of students by making their classroom experience more engaging. It supplements the main coursebook with mental maths worksheets for classes 1 to 8. Students grasping the basic concepts from the main coursebook can strengthen the same by attempting the topic-wise worksheets in these books. The series has been designed in accordance with the latest guidelines laid down by the NCF 2023.