Class V Mathematics

Chapter 11: Area and Boundary

Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.

Key Formulas & Equations

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Area of Rectangle

sin θcos θθ
A = l \times w

Multiplies length by width.

Perimeter of Rectangle

sin θcos θθ
P = 2(l + w)

Twice the sum of length and width.

Related Formulas from Adjacent Chapters

Tenths conversion

\frac{1}{10} = 0.1

[From Tenths and Hundredths] First place after decimal represents tenths.

Millimetre to Centimetre

1 \text{ mm} = 0.1 \text{ cm}

[From Tenths and Hundredths] Decimetric conversion for lengths.

Relative Scale Count

Ratio = \frac{Value}{Scale}

[From Smart Charts Tally] Determines height of bars in a graph.