This set of two school books offers essential resources for early education. The first book, titled '2500 задач по математике' (2500 Problems in Mathematics), is designed for students in grades 1-4, providing a comprehensive range of math problems to engage young learners and enhance their problem-solving skills. The second book, 'Подготовка к контрольным диктантам по русскому языку' (Preparation for Control Dictations in Russian), targeted at 4th-grade students, focuses on improving writing and language skills through practice exercises tailored for Russian language education. Both books feature colorful illustrations, appealing to children, with engaging layouts that encourage participation and learning.