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Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge) PDF Download

Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

What Are Decimals?

Decimals are numbers that show parts of a whole, separated by a decimal point. It’s like slicing a cake into several pieces and taking just a few slices.Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

Understanding Decimals with Vedic Math

Vedic math helps us understand numbers more visually and simply, which is perfect for learning about decimals!Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

Imagine you have 1 rupee, and it is made up of 100 paise.Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

  • Example: If you have 50 paise, you have half a rupee, which we write as 0.50 rupees.

How to Visualize Decimals

Think of a rupee as a long, straight ruler. Divide it into 10 big marks (each mark is 10 paise). Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

If you color 3 of those big marks, you have 30 paise, which is the same as 0.30 rupees.Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

Adding and Subtracting Decimals in Daily Life

  • Adding Decimals: If you spend 20 paise (0.20 rupees) on a eraser and 30 paise (0.30 rupees) on an pencil, you spend a total of 50 paise, which is 0.50 rupees.Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

  • Subtracting Decimals: If you start with 1 rupee and spend 60 paise on stickers, you have 40 paise left, or 0.40 rupees.Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge)

Conclusion

Decimals are a fun way to see how parts make up a whole, just like pieces of a rupee! Using simple, everyday examples like spending money helps make decimals easy to understand and relevant for young learners.

The document Introduction to Decimals | Year 8 Mathematics IGCSE (Cambridge) is a part of the Year 8 Course Year 8 Mathematics IGCSE (Cambridge).
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