The manual is compiled in accordance with the requirements of the Standard educational programs in mathematics for the 2nd grade. It contains tasks that are varied in terms of content, degree of complexity and form of performance, developed according to the "Daily 3" method. With the help of the materials of the manual, the teacher will be able to organize independent individual and pair work in mathematics lessons and outside of school hours for three types of activities: "Mathematics on your own", "Mathematics together with a friend" and "Mathematics in writing".