NCERT Book Class 7 Mathematics (Part II) Chapter 4 Another Peek Beyond the Point

4 ANOTHER PEEK
BEYOND THE POINT

4.1 A Quick Recap of Decimals
Recall that decimals are the natural extension of the Indian place value
1 1 1
system to represent decimal fractions ( , , , and so on) and
10 100 1000
their sums.
For example, 27.53 refers to a quantity that has:
• 2 Tens
• 7 Units (Ones)
• 5 Tenths
• 3 Hundredths
We have already learned how to multiply and divide fractions. In this
chapter, we will learn how to perform these operations with decimals.
You will see that the procedures for multiplying and dividing decimals
are natural extensions of the procedures for multiplying and dividing
counting numbers.

Jonali and Pallabi play a game. Jonali
says a fraction and Pallabi gives the
equivalent decimal. Write Pallabi’s
answer in the blank spaces.
Jonali goes to the market to
buy spices. She purchases 50 g of
Cinnamon, 100 g of Cumin seeds, 25 g
of Cardamom and 250 g of Pepper.
Express each of the quantities in
kilograms by writing them in terms of
fractions as well as decimals.
The fractions Jonali gave Pallabi
have denominators 10, 100, 1000, and
so on.