Class 5 (ICSE) • MathematicsChapter 5: Decimals and Operations⭐ Topic 1
Decimals and Operations
We can add, subtract, and compare decimal numbers, which is useful for handling money, measurements, and precise calculations.
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Know it
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See the pattern
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Try it out
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Fun picture
Try it now
Learn the idea step by step
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Know it
To add or subtract decimals, we line up the decimal points and add or subtract each column, just like whole numbers.
Quick revision
Remember these!
- We line up decimal points to add or subtract.
- 25 + 1.40 = 4.65.
- We add whole and decimal parts separately.
- We compare whole numbers first for decimals.
- Then we compare digits after the decimal point.
- Decimal operations help with money.
- They help with precise measurements too.
- Practice builds accuracy with decimals.
Words to know
decimals and operationsicse class 5