Class 4 (SSC) • Mathematics (गणित)Chapter 5: Introduction to Decimals⭐ Topic 1
Introduction to Decimals
Decimals represent parts of a whole using a decimal point, an alternative way to express fractions like tenths and hundredths.
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A decimal number uses a decimal point to separate the whole number part from the fractional part, like 3.5 meaning 3 whole and 5 tenths.
Quick revision
Remember these!
- Decimal point separates whole from fraction part.
- 5 = 3 whole + 5 tenths.
- First digit after point = tenths.
- Second digit = hundredths.
- 25 = 25 hundredths.
- Decimals used in money (₹15.50).
- This separates rupees from paise.
- Decimals help with measurements too.
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introduction to decimalsssc class 4SSC class 4 introduction to decimals