## Category: Area and Perimeter

## Area of Compound Shapes – Scootle

Find the area of Compound Shapes Find the area of compound shapes based on rectangles on a grid. Explore how the formula works for finding a rectangle’s area. Information Estimate the total area. Fill the rectangles with unit blocks Calculate Read More …

## Area Builder – PHET

Area Builder Investigate how area affects perimeter. Information Drag square blocks onto the grid to make a shape. Move blocks around and see the effect on the perimeter Switch modes to compare two shapes Game mode sets challenges to build Read More …