However, I can provide you with some general information on the topic.

Start Up Mathematics Grade-5 by Viva Education is a comprehensive textbook designed for students in the fifth grade. It covers all the essential topics in mathematics, including arithmetic, geometry, measurement, data handling, and more.

Here are some of the key features of the book:

1. Easy-to-understand language: The book uses simple and easy-to-understand language to explain mathematical concepts, making it easier for students to grasp the topics.

2. Step-by-step approach: The book follows a step-by-step approach to explain each topic, making it easy for students to follow the concepts in a logical sequence.

3. Practice exercises: The book includes a wide range of practice exercises at the end of each chapter to help students reinforce their learning and test their understanding.

4. Real-life examples: The book uses real-life examples and scenarios to help students relate mathematical concepts to their daily lives.

5. Glossary: The book includes a glossary of mathematical terms to help students understand the language of mathematics.

Overall, Start Up Mathematics Grade-5 by Viva Education is an excellent resource for students in the fifth grade to learn and understand mathematics concepts.