Page 43 - Math_Genius_V1.0_C7_Flipbook

D:\Surender Prajapati\CBSE_ICSE_Book_New\CBSE\Grade-7\Math_Genius-7\Open_File\02_Chapter\02_Chapter
\ 15-Nov-2024 Surender Prajapati Proof-6 Reader’s Sign _______________________ Date __________

4. The product of two fractions is 8 4 . If one fraction is 2 1 , then find the other.
7 7
3
5. By what number should 4 be divided to get 38?
4
6. In a seminar, 540 people assembled in an auditorium. They occupied 5 of the seats in the auditorium.
How many total seats were there in the auditorium? 7

2 2
7. A 10 m ribbon is cut into 10 cm length. How many pieces are made?
5 5
8. How many 4 2 hour periods are there in 24 hours?
3
3
9. A road roller can repair 2 1 km of road in a day. How many days will it take to repair 24 km long
road? 5 5

2
10. The perimeter of a square is 12 m. Find the length of its side.
3
4 1
11. How much greater the product of 4 and 3 from 20?
5 4

Life Skills

Malnutrition is a dietary deficiency that results in poor health conditions. It occurs when children do not eat
enough of the right foods. After seeing the malnourished children in a village, the Gram Panchayat decided to
distribute milk to them. So, 225 litres of milk was distributed equally among all the children of a village. If each
3
child got l milk, how many children were there in the village?
5
What measures should the government or respective administration take to cure this dietary deficiency?

Neha to Rohan: Hey! Could you convert the ingredients used in the cake into
decimals?
Rohan: Yes, my Math teacher taught us about the decimals yesterday.

Decimal Numbers

Fractions with denominators 10, 100, 1000, etc. are known as decimal fractions or decimal
3 47 1024
numbers. , , , … are some decimal numbers and can be written as 0.3, 0.47, and
10 100 1000
1.024 respectively.

A decimal number consists of two parts – the whole number part Whole Decimal
and the decimal part. number Part
8 6 3 . 2 6 7
For example: In the number 863.267: the number 863 is the whole
number (integral part) and 267 is the decimal part after a point. Hundreds Tens Thousandths
This point is called a decimal point. Ones Tenths
Decimal Hundredths
Point

41 Fractions and Decimals