What area is
Area is the number of squares that cover a shape.
Square unit: a square with sides of 1 unit. You count area in square units.
Watch squares cover the shapes
Row: a line of squares from left to right.
Try it
Build a rectangle and count the squares
- Click the buttons to add or remove rows and columns.
- Count the squares.
- Click "Cut in half" to make 2 triangles.
Quick check
Answer 5 questions. You see your score at the end.