Рџсђрµр·рµрѕс‚р°с†рёсџ Сѓсђрѕрєр° 52 Сѓрєр»р°рґс‹рір°рµрј Рё Ріс‹с‡рёс‚р°рµрј С‡рёсѓр»р° 1 Рєр»р°сѓсѓ Сѓрјрє 21 Рірµрєр° Review

Mastering addition and subtraction within the studied range using decimal composition.

Quick drills to reinforce number sequences and basic facts up to 10 or 20. Mastering addition and subtraction within the studied range

Comparing and classifying numerical expressions and solving text-based problems involving addition and subtraction. and generalize mathematical concepts.

Measuring and constructing segments of a specified length. Teaching Objectives The lesson is designed to develop several key competencies: Mastering addition and subtraction within the studied range

Exploring properties of subtraction, such as the impossibility of subtracting a larger number from a smaller one at this stage, and subtracting zero.

Teaching students to analyze, compare, and generalize mathematical concepts.