Shark Learning
Grade 4/Geometry

Area of L-Shapes

Calculate the area of L-shaped polygons.
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Easy
1
8 questions
2
8 questions
Medium
1
8 questions
2
8 questions
Hard
1
8 questions
2
8 questions

Practice Questions

  1. Area = ? sq cm
    Show answer

    24

  2. Area = ? sq m
    Show answer

    45

  3. Area = ? sq in
    Show answer

    18

  4. Area = ? sq ft
    Show answer

    72

  5. Area = ? sq cm
    Show answer

    33

Quick Tip
Split the L-shape into two rectangles, find the area of each, and add them together.
Teacher Resources
Teaching Notes

This collection focuses on area of l-shapes. Use grid paper to help students visualize area and perimeter.

Vocabulary
L-shape: A shape like the letter L.
Decompose: Break into smaller parts.
Common Mistakes
  • Confusing Area and Perimeter formulas
  • Forgetting to double the sides for Perimeter
  • Using wrong units (e.g., cm instead of sq cm for Area)
  • Incorrect decomposition
  • Misidentifying side lengths
  • Multiplication errors
  • Forgetting to add areas
Differentiation
SupportHave students trace shapes on grid paper and count squares.
ChallengeChallenge students to find multiple rectangles with the same area but different perimeters.
Discussion Questions
  • What is the difference between Area and Perimeter?
  • Can two rectangles have the same perimeter but different areas?
  • Why do we use 'square' units for area?
  • How many ways can you split an L-shape into rectangles?
  • Does the way you split an L-shape affect its total area?
  • Why is decomposing helpful for finding area?
  • When might you encounter L-shapes in real life?
Extension Activities
  • Measure the classroom floor area.
  • Design a garden with a specific perimeter.
  • Create art using only rectangles of specific areas.
Parent Tip

Use blocks to build an L-shape and find its area.

Learning Path
Skill Cluster

Geometry & Measurement

Estimated Time

20 minutes

Skills Practiced
Area of l-shapes