(i) ¾ of one rupee is ______ paise
Ans: 75 paise
1 rupee = 100 paise
3/4 of one rupee = 3/4 x 100 = 75 paise
(ii) One fourth of hundred is ______
Ans: 25
To find one fourth of 100:
100 x 1/4 = 25
(iii) ¼ of 40 is ______
Ans: 10
1/4 x 40 = 10
(iv) Equivalent fraction of 2/3 is ______
Ans: 4/6
An equivalent fraction of 2/3 can be found by multiplying both the numerator and the denominator by the same number. For example:
(2 x 2) / (3 x 2) = 4/6
(v) 50 paise is ______ part of one rupee.
Ans: 1/2
1 rupee = 100 paise
To find what part 50 paise is of 1 rupee, divide 50 by 100:
50/100 = 1/2
(vi) Meenu sleeps 8 hours a day; it is ______ part of a day.
Ans: 1/3
A day has 24 hours.
Meenu sleeps for 8 hours.
To find what part of the day she sleeps, divide 8 by 24:
8/24 = 1/3
(vii) One third of 90 is ______
Ans: 30
1/3 x 90 = 30
(i) There are 24 toffees in a box. Malu gave two third of the toffees to her brother and his friends. How many toffees are left with her?
Ans: Number of toffees in a box = 24
Two third of 24 = 2/3 x 24 = 16 toffees
Number of toffees left with her = 24 – 16 = 8 toffees.
(ii) Manu has 500 rupees with him. He spent 4/5 of it to purchase bakery items. How much amount is left with him?
Ans: 4/5 of 500 = 4/5 x 500 = Rs 400
Amount left with him = 500 - 400 = Rs 100
(iii) Manu’s father bought a cake and he divided it into 12 equal parts. He gave 6 pieces to Manu and 3 pieces to his sister. What is the fraction consumed by Manu and his sister?
Ans: Fraction consumed by Manu = ½
Fraction consumed by his sister = ¼
(iv) Write three equivalent fractions of 1/3.
Ans: Three equivalent fractions of 1/3 are 2/6, 3/9, 4/12.
(v) Sumesh painted 4/8 of the wall and Jithesh painted 3/8 of the wall. Who painted more? How much more?
Ans: Sumesh painted more.
Difference = 4/8 – 3/8 = 1/8
(vi) Lalitha reads 3/5 of a book and Kamala reads 2/5 of the same book. Who reads more? By how much?
Ans: Lalitha reads more.
Difference = 3/5 – 2/5 = 1/5
(vii) Find
(a) one third of 60
(b) Three fourth of 120
Ans: (a) One third of 60 = 1/3 x 60 = 20
(b) Three fourth of 120 = ¾ x 120 = 90
(viii) One kilogram Oranges cost Rs 160. What will be the cost of quarter kilograms of oranges?
Ans: Cost of 1 kg oranges = 160
Cost of quarter kg oranges = ¼ x 160
= Rs 40
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1. What are parts and wholes in mathematics? |
2. How can I teach my child about parts and wholes effectively? |
3. What are some examples of parts and wholes in everyday life? |
4. How do fractions relate to parts and wholes? |
5. Why is it important for students to learn about parts and wholes? |
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