: Initial slides often feature a "mental math" warm-up to practice addition, subtraction, and number properties.
: Exercises such as drawing a square with a specific side length (e.g., 1 cm) to understand its area. prezentatsii ploshchad test 2 klass saznova matematika
: Students learn to compare areas by "eye," by superimposing one figure over another, or by counting identical small squares (units) that fit inside. : Initial slides often feature a "mental math"