: Repeating numbers up to 1,000 and progressing to numbers greater than 1,000, including their digit composition and placement .

: Systematizing knowledge through training and developmental exercises that progress in difficulty .

The workbook is typically divided into two parts and focuses on developing a child's understanding of multi-digit numbers and practical problem-solving . Key topics covered include:

: Proficiency in addition, subtraction, multiplication, and division of multi-digit numbers .

: Working with various units of time, length, mass, and area .