Page 78 - Start Up Mathematics_3
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SOME NCERT TEXTBOOK QUESTIONS
1. There are 12 desks in a classroom. Each desk has 4 legs.
What is the total number of legs of the desks?
2. Tell how many times!
30 + 30 + 30 = _______ × _______ = _______
10 + 10 + 10 + 10 = _______ × _______ = _______
6 + 6 + 6 + 6 + 6 + 6 + 6 = _______ × _______ = _______
SCRATCH YOUR BRAIN
1. In a library, a shelf has 32 books. Each shelf has 16 story books and the
remaining books are rhyme books. How many rhyme books are there in 5
such shelves?
2. Sameer has a collection of stamps. He decides to paste them in an album, with
12 stamps on each page. If the album has 54 pages, how many stamps can he
paste in the album?
INDIVIDUAL ACTIVITY
To understand the concept of factors by activity method
Things We Need: A pencil
How To Do:
1. Each child will fill the given grid with random numbers
from 1–15.
2. The teacher will call out a number.
3. The children will cross out the factors of that number in
their grid. For example, if the teacher says 9, then the
children will cross out 1, 3 and 9.
4. The child who will cross out all the numbers of the grid first will be the winner.
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