Square Units - What is the Area of the Shape? - 3rd Grade Math (3.MD.5.S1)
Measuring Area - Square Centimetres
Area using Square Tiles
Lesson 03 Units and Square Units - SimpleStep Learning
Grade 3 Math #11.2, Square Units and Area
Area for Kids
Math Antics - Area
Learn how to calculate the area of a square and rectangle. Math lesson for kids
Finding the Area of a Composite Figure | Area of Composite Rectangles
Finding Area by Counting Unit Squares | Math with Mr. J
area of an irregular shape1
How to Find the Area of a Square | Math with Mr. J
How to Find Area | Rectangles, Squares, Triangles, & Circles | Math Mr. J
三角形の面積 - グリッドを使って寸法を求める
Area of a Rectangle, Triangle, Circle & Sector, Trapezoid, Square, Parallelogram, Rhombus, Geometry
Area of a Rectangle
How to find the areas of irregular shapes (including Pick's formula)
Perimeter with Unit Squares
The Area of the Square - Math for Kids
How to Find the Area of Rectangles and Squares | Math with Mr. J