Perimeter, Area, and Volume

Site: Young Education
Course: Measurement and Geometry Basics
Book: Perimeter, Area, and Volume
Printed by: Guest user
Date: Friday, 25 September 2026, 2:38 AM

1. Perimeter

Learning outcomes
  • I can define perimeter as the distance around a two-dimensional shape.
  • I can calculate the perimeter of rectangles, squares, and other polygons.
  • I can determine missing side lengths when finding perimeter.
  • I can solve real-world problems involving perimeter.
  • I can explain the difference between perimeter and area.

2. Area of Rectangles and Squares

Learning outcomes
  • I can define area as the amount of space inside a two-dimensional shape.
  • I can identify and use square units when measuring area.
  • I can calculate the area of rectangles using length × width.
  • I can calculate the area of squares using side × side.
  • I can solve practical problems involving area.

3. Area of Triangles and Composite Shapes

Learning outcomes
  • I can calculate the area of a triangle using the appropriate formula.
  • I can identify the base and height of a triangle.
  • I can break composite shapes into simpler shapes.
  • I can calculate the total area of composite figures.
  • I can apply area calculations to real-world situations.

4. Volume of Rectangular Prisms

Learning outcomes
  • I can define volume as the amount of space inside a three-dimensional object.
  • I can identify and use cubic units when measuring volume.
  • I can calculate the volume of rectangular prisms using length × width × height.
  • I can compare the volumes of different objects.
  • I can solve practical problems involving volume.

5. Surface Area

Learning outcomes
  • I can define surface area as the total area of all faces of a three-dimensional object.
  • I can identify the faces of common three-dimensional figures.
  • I can use nets to visualize three-dimensional shapes.
  • I can calculate the surface area of rectangular prisms and cubes.
  • I can apply surface area concepts to packaging, design, and real-world problems.