Class 5 Mathematics — Chapter 11: Grandmother The provided text starts with
Chapter 11: Grandmother The provided text starts with is a chapter in Class 5 Mathematics (Maths Mela), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 9 topics including Definition and Calculation of Perimeter, Introduction to Area and Tiling Concepts, Measuring Area by Counting Unit Squares. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.
What you'll learn
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▸Definition and Calculation of PerimeterCore conceptperimeterboundarylengthsum of sidesregular shapes
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▸Introduction to Area and Tiling ConceptsCore conceptareasurface coveragetilinggapsoverlapsspace
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▸Measuring Area by Counting Unit SquaresCore conceptunit squaresquare gridcount squaresmeasure areacompare area
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▸Exploring the Relationship Between Area and PerimeterCore conceptarea-perimeter relationvariablenon-proportionalsame areasame perimeter
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▸Calculating Area of Rectangles Using FormulaCore conceptrectangle arealengthbreadthmultiplicationformulasquare units
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▸Calculating Area of Squares Using FormulaCore conceptsquare areaside lengthformulasquare unitsequal sides
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▸Calculating Perimeter of Rectangles and Squares Using FormulasCore conceptperimeter formularectangle perimetersquare perimeterlengthbreadthside
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▸Finding Unknown Dimensions Given Area or PerimeterCore conceptunknown dimensionmissing sideinverse calculationarea givenperimeter given
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▸Area and Perimeter of Basic Composite Figurescomposite shapesirregular figurespartitioningadding areascombined perimeter
Chapter Summary
Students should be able to define perimeter as the total length of the boundary of a 2D shape and calculate it for simple polygons by adding the lengths of all its sides.
Students should understand area as the amount of surface a shape covers. They should differentiate between shapes that can tile a surface without gaps or overlaps and those that cannot.
Students should be able to measure and compare the areas of various shapes (both regular and irregular) by accurately counting the number of unit squares they cover on a grid.
Students should recognize that shapes can have the same area but different perimeters, or the same perimeter but different areas, demonstrating that these two properties are not directly proportional.
Students should be able to calculate the area of any given rectangle by applying the formula: Area = Length × Breadth, and express the result in square units.
Students should be able to calculate the area of any given square by applying the formula: Area = Side × Side, recognizing it as a special case of a rectangle.
Students should be able to calculate the perimeter of rectangles using 2 × (Length + Breadth) and squares using 4 × Side, understanding these as efficient ways to sum all sides.
Students should be able to determine a missing side (length or breadth) of a rectangle or square when given its area or perimeter and the other known dimension.
Students should be able to find the total area and perimeter of simple figures composed of two or more basic rectangles or squares by partitioning them into simpler shapes.
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Explain area versus perimeter. Get Solution →
- Show real-world tiling shapes. Get Solution →
- Calculate my desk's area. Get Solution →
- What is the length of the border of a shape called? Get Solution →
- Who made the quilt cover using old clothes in the story? Get Solution →
- Which of the following shapes are mentioned as tiling without gaps and overlaps? Get Solution →
- What unit is described for measuring the area of a square with sides 1 unit long? Get Solution →
- According to the text, which object leaves gaps when trying to cover the top of a table? Get Solution →
Did you know?
- 💡 The Great Pyramid of Giza's base covers over 53,000 square meters.
- 💡 The word "perimeter" comes from Greek for "around" and "measure".
- 💡 Ancient Egyptians used knotted ropes to survey land and re-establish boundaries.
- 💡 Honeybees build their cells in a hexagonal shape to perfectly tile space.
- 💡 The human skin is the largest organ by area, covering up to two square meters.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 9 key topics: Definition and Calculation of Perimeter, Introduction to Area and Tiling Concepts, Measuring Area by Counting Unit Squares, Exploring the Relationship Between Area and Perimeter, Calculating Area of Rectangles Using Formula, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 11: Grandmother The provided text starts with important for board exams?
Class 5 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
Can I get NCERT solutions for this chapter in Hindi?
Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.
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