Advertisements
Advertisements
प्रश्न
- Guess how many squares of one centimeter can fill this blue rectangle.
Write your guess here. - Check your guess by filling it with small squares.
Advertisements
उत्तर
- 32 small squares can fill this blue rectangle.
- As there are 32 squares, so my guessed answer is correct.
APPEARS IN
संबंधित प्रश्न
How much wire did Rahmat give to Ganpat?
Ganpat thanked Rahmat and started fencing his own field. But he needed to get more wire.
How long is the boundary of Ganpat’s field?
Here are pictures of some more fields. Find out which one has the longest boundary?
Boundary = ______ metre
Boundary = ______ metre
Boundary = ______ metre
Boundary = ______ metre
Chandu’s father is called the ‘young old man’ in his village. At 70 years of age, he is fully fit. Do you know his secret? He goes for a walk around the field every morning. Everyday he takes four rounds of Chandu’s field.
What is the total distance he covers?
4 × ______ = ______ m = ______ km
How much lace will be used in 3 such table cloths?
Find out the length of the boundary of these shapes. (Hint: You can use a thread)
Now count the squares to find out :
- How many squares are there in each shape?
- Which shape covers the least number of squares?
- Which shape covers the most number of squares?
A square has a boundary of 12 cm.
- From the corner of this square, a small square of side 1 cm is cut off. Will the boundary of B be less or more? Find its length.
- If you cut a 1 cm square to get shape C, what will be the length of the boundary of C?
 |
 |
 |
 |
| Square | New shape |
Usha and Valsamma are running a race. Usha is running on the inner circle. Valsamma is running on the outer circle.
- Valsamma runs faster than Usha. But still she loses the race. Can you guess why?
- Have you seen any race where runners start from different places – like in this picture? Guess why?
- How many Math-Magic books can be covered with one sheet of newspaper?
- Try covering your Math-Magic book with half a sheet of newspaper.
- Can you cover your book with a smaller sheet?
- Find the smallest sheet which can cover your book. Check if your friend used a smaller sheet than you.
- How many small squares of size 1 cm are there in this big green square?
- Can you think of a faster way to know the total number of small squares without counting each.
