Urok 40 Demidova 3 Klass May 2026

: Understanding how to multiply a sum by a number:

: Introduction of the distributive property using visual area models (rectangles divided into two parts). Practice : Simplifying expressions by breaking down two-digit numbers. Solving equations that require regrouping. urok 40 demidova 3 klass

: Using properties to simplify calculations (e.g., : Understanding how to multiply a sum by