People's Education Publishing House collected and sorted out the answers to the fifth-grade mathematics books published by People's Education Press. This book is published by People's Education Publishing House, and compiled by the Teaching Resources Editing Room of People's Education Publishing House. Exercise is highly compatible with teaching materials and closely combined with teaching. Adopting a scientific learning mode and through targeted training of various types of questions, students can master the combination and application of what they have learned skillfully. Frequent learning success may lead to greater interest in learning and improve students' self-concept of learning.