Exercise 7.1
1. Write the fraction representing the shaded (teal-colored) portion.
(i)
Total no.of parts =
No.of shaded parts =
Fraction =
(ii)
Total no.of parts =
No.of shaded parts =
Fraction =
(iii)
Total no.of parts =
No.of shaded parts =
Fraction =
(iv)
Total no.of parts =
No.of shaded parts =
Fraction =
(v)
Total no.of parts =
No.of shaded parts =
Fraction =
(vi)
Total no.of parts =
No.of shaded parts =
Fraction =
(vii)
Total no.of parts =
No.of shaded parts =
Fraction =
(viii)
Total no.of parts =
No.of shaded parts =
Fraction =
(ix)
Total no.of parts =
No.of shaded parts =
Fraction =
(x)
Total no.of parts =
No.of shaded parts =
Fraction =
Match according to the given fraction:
Identify the error, if any.
Is this
(i) The shaded part is
∴ It is not
Is this
(ii) The shaded part is
∴ This is not
Is this
(iii) The shaded part is
∴ This is not
What fraction of a day is 8 hours?
There are
Thus, the fraction of 8 hours out of 24 hours =
So, 8 hours is
What fraction of an hour is 40 minutes?
There are
Fraction of 40 minutues out of 60 minutes =
So, 40 minutes is
Arya, Abhimanyu, and Vivek shared lunch. Arya has brought two sandwiches, one made of vegetable and one of jam. The other two boys forgot to bring their lunch. Arya agreed to share his sandwiches so that each person will have an equal share of each sandwich.
(a) How can Arya divide his sandwiches so that each person has an equal share?
Arya can divide each sandwich into
(b) What part of a sandwich will each boy receive?
Each one of them will receive
Kanchan dyes dresses. She had to dye 30 dresses. She has so far finished 20 dresses. What fraction of dresses has she finished?
Total number of dresses to be dyed =
Number of dresses finished =
Required fraction =
Write the natural numbers from 2 to 12. What fraction of them are prime numbers?
Write the natural numbers from 102 to 113. What fraction of them are prime numbers?
What fraction of these circles have X’s in them?
Total number of circles =
Number of circles having X's in them =
Required Fraction =
Kristin received a CD player for her birthday. She bought 3 CDs and received 5 others as gifts. What fraction of her total CDs did she buy and what fraction did she receive as gifts?
Number of CDs bought by her from the market =
Number of CD’s received as gifts =
Total number of CDs =
Fraction of CD (bought) =