DLP Gr. 4 Module 82: Finding the perimeter of a triangle DLP Gr. 4 Module 85: Area of triangle DLP Gr. 4 Module 86: Area of parallelogram DLP Gr. 4 Module 84: Finding the perimeter of a pentagon Perimeter of a Square or a Rectangle Lesson Guide in Elementary Mathematics 4: Measurement: Comprehension of Perimeter DLP Gr. 4 Module 81: Parts of triangle/ quadrilateral DLP Gr. 4 Module 87: Comprehension of volume NFE Accreditation and Equivalency Learning Material: Perimeter and Areas