Urok 40: Demidova 3 Klass

: Using properties to simplify calculations (e.g.,

: 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

: Solving multi-step text problems from the textbook . 💡 Tips for Students

: Applying these properties to word problems involving cost, quantity, or distance. 📝 Typical Structure of the Lesson : Using properties to simplify calculations (e

: Use the inverse operation (division) or a different multiplication property to verify your results.

⚡ : Many online platforms like Infourok provide digital presentations and extra worksheets specifically for the Demidova curriculum if you : Solving multi-step text problems from the textbook

: When multiplying large numbers, always look for "round" numbers like 10, 20, or 100 to make the mental math easier.