Urok 40 | Demidova 3 Klass

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

In Lesson 40, students generally explore the (specifically regarding addition and subtraction) or continue mastering Multiplication of Multi-digit Numbers . 🔑 Key Learning Objectives

: Review of basic multiplication tables and the Commutative Property ( urok 40 demidova 3 klass

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

: Understanding how to multiply a sum by a number: : Applying these properties to word problems involving

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

: Use the inverse operation (division) or a different multiplication property to verify your results. : Understanding how to multiply a sum by

: 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.