Q1
What does a decimal point separate?
AWhole number and decimal parts
BTwo whole numbers
CTwo fractions
DNothing specific
ICSEClass 6 (ICSE)MathematicsCh 15 · Topic 2
Practice and Revision - Decimal Fractions (Decimals)
Let us practise and revise what we learned about decimal fractions (decimals). Decimal fractions, or decimals, represent numbers with a frac
Core concept
A decimal number, like 4.75, has a whole number part (4) and a decimal part (.75), separated by a decimal point.
How it works
We can add, subtract, multiply, and divide decimals, following similar rules to whole numbers but keeping track of the decimal point.
Why it matters
Decimals can be converted to fractions (0.5 = 1/2) and fractions to decimals, showing they represent similar concepts differently.
Key detail
Decimals are commonly used for money, measurements, and precise calculations in everyday life and science.
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Quick notes
• Decimals have a whole and decimal part.
• 75 has whole part 4 and decimal part .75.
• We can add, subtract, multiply and divide decimals.
• We must track the decimal point carefully.
• Decimals convert to fractions and back.
• 5 = 1/2 as an example.
• Decimals are used for money and measurements.
• They enable precise calculations.