: Deepening knowledge of length, mass, and volume. Geometry : Basic geometric shapes and their properties.

: A flipbook version is available for online reading or downloading as a PDF. Key Topics Covered in Part 1 :

The Grade 3 Mathematics textbook by L.G. Peterson (Part 1) is widely available for online viewing and download through several educational platforms and social media libraries.

: Dedicated educational groups often host PDF versions. You can find direct file links for "Matematika 3 Klass Chast 1" on VK - MN and other VK groups .

: Operations with numbers up to 1,000, including addition and subtraction.

: Introduction to the concept of sets, subsets, and operations on sets.

МАТЕМАТИКА /Л.Г. ПЕТЕРСОН/ 3 КЛАСС 2026 | МН - VK