Hello, what you want to ask is which page is the fourth unit of the first volume of mathematics in the third grade of primary school published by People's Education Press? People's Education Press Primary School Grade Three Mathematics Volume I Unit 4 Page 46. The first volume of mathematics in the third grade of primary school published by People's Education Publishing House shows that the fourth unit is on page 46, which is about the preliminary understanding of multiplication. People's Education Edition is the name of the textbook version compiled and published by the Institute of Curriculum Textbooks of People's Education Publishing House. The textbook of People's Education Edition covers the content from primary school to high school, and most schools are using it.