Page 39 - Math 4

Fundamental Operations Fundamental Operations

d) e) f)
1580 5005 8250
– 699 + 699 – 2125 + 2125 – 4563 + 4563

Let's read these problems carefully. Rewrite the solutions and solve them
in your exercise book.

10. a) There are 485 girls and 456 boys in a school. Find the total number of
students in the school.
Solution

Number of girls =
Number of boys = +

Total number of students =

Hence, the total number of students in the school is

b) There are 941 students in a school. Among them 456 are boys. Find the
number of girls.
Solution

Total number of students =
Number of boys = –

Number of girls =

Hence, the number of girls in the school are

c) There are 25,460 men, 24,390 women, and 10,700 children in a village.
Find the total population of the village.
Solution

Population of men =
Population of women =

Population of children =

Total population =

Hence, the population of the village is

37
37
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l in Mathematics - Book 4
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Approved by Curriculum Development Centre, Sanothimi, Bhaktapur vedanta Excel in Mathematics - Book 4