Year 5 - Maths
Explain how to make different shapes with the same area
Understand the concept of area
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will explain what area is and measure using counting as a strategy. They will make different shapes with the same area and compare the area of different shapes.
Lesson Summary
You will learn to create different shapes with the same area.
Key Notes
- If you have the same number of squares, the area will be the same however they are arranged.
- There must be no gaps or overlaps between the shapes for the area to be the same.
Vocabulary To Learn
- Area: The measurement of a flat surface. It measures a 2D space.
- Rectilinear: Rectilnear shapes are 2D polygons composed of one or more rectangles.
Common Mistakes To Avoid
- Two shapes cannot have the same area if they look different.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
If you have the same number of squares, the area will be the same however they are arranged. There must be no gaps or overlaps between the shapes for the area to be the same.
2. Use this key word in a maths sentence and explain it clearly. 'Area'
The measurement of a flat surface. It measures a 2D space. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Two shapes cannot have the same area if they look different. Correction: Use square sticky notes. Pupils can then move the shapes around to prove that two shapes can have the same area but look different.
More Lessons In This Unit
Browse all guides in the Year 5 Maths guide library.