# Grade 4 Mathematics Module: Relationships of Quadrilaterals to Triangles and Other Quadrilaterals

This Self-Learning Module (SLM) is prepared so that you, our dear learners, can continue your studies and learn while at home. Activities, questions, directions, exercises, and discussions are carefully stated for you to understand each lesson.

Each SLM is composed of different parts. Each part shall guide you step-by-step as you discover and understand the lesson prepared for you.

Pre-tests are provided to measure your prior knowledge on lessons in each SLM. This will tell you if you need to proceed on completing this module or if you need to ask your facilitator or your teacherâ€™s assistance for better understanding of the lesson. At the end of each module, you need to answer the post-test to self-check your learning. Answer keys are provided for each activity and test. We trust that you will be honest in using these.

Please use this module with care. Do not put unnecessary marks on any part of this SLM. Use a separate sheet of paper in answering the exercises and tests. And read the instructions carefully before performing each task.

In the previous lessons, you learned about triangles and quadrilaterals. Can you describe the difference between triangles and quadrilaterals? Can you also explain their relationship?

In this module, we will further discuss and describe the properties of triangles and quadrilaterals to identify their relationship.

After going through this module, you are expected to:

1. relate triangles to quadrilaterals;

2. relate one quadrilateral to another quadrilateral (e.g. square to rhombus); and

3. explain the relationships among quadrilaterals.

MATH4-Q3-MODULE4

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