“Carts and Wheels” is Chapter 8 from Merry Math IV for students of Class 4th of JKBOSE. This particular post is about Carts and Wheels Class 4 Math JKBOSE Solutions. In a previous post, you read about Jugs and Mugs Class 4 Math JKBOSE Solutions. Let’s get started:
Carts and Wheels Class 4 Math JKBOSE Solutions
Page No. 103 Solutions
You must have seen many such round things around you. List some more in your notebook.
Ans. The list of round things around us is as follows: 1. Bangles, 2. Clock, 3. Bowl, 4. Pizza, 5. Globe, 6. Coins, 7. Moon, 8. Sun, 9. Bowl, 10. Tyre.
Page No. 104 Solutions
Round Bangle
Have you ever gone to a bangle shop?
Ans. Yes, I have gone to a bangle shop many times.
Guess which of these bangles is of your size.
Ans. The number 1 bangle is of my size.
Take a wire and make a bangle for yourself. Can your teacher wear this bangle?
Ans. No, my teacher cannot wear this bangle.
A bangle can be used to trace a circle. What are the other things around you that you can use to trace a circle?
Ans. The other things are a plate, a glass, a coin and a round-shaped cap of a jar that can be used to trace a circle.
Which thing makes the smallest circle?
Ans. A washer makes the smallest circle.
Which thing makes the biggest circle?
Ans. A plate makes the biggest circle.
Page No. 105 Solutions
Games with Circles
Do you play these games?
Ans. Yes, I play these games.
Which song do you sing when you play these?
Ans. We sing rain-rain go away, come again another day while playing these games.
Why do we make a circle in each of these games?
Ans. We make a circle in each of these games because it has no sides and no corners. Also, each child occupies one’s place without any preference of position.
What if a rectangle was made? Discuss.
Ans. If a rectangle is made, the position of a child can be identified easily. One cannot run smoothly because of the corners.
Think of some other games you play by making circles.
Ans. (1) Musical chair race (2) Parcel game.
Page No. 106 Solutions
Making a Circle
Is any of these a good drawing of a circle? Discuss.
Ans. No, none of these is a good drawing of a circle.
Can you draw a circle on the floor with a chalk?
Ans. Yes, I can draw a circle on the floor with a chalk.
Also, draw a circle in your notebook using a pencil.
Ans.
Look at the circles drawn by your friends. Who has drawn the best circle?
Ans. (Do yourself)
Page No. 107 Solutions
Making a Circle with a Rope
Can you also make a circle with a rope and nails like Zareena?
Ans. Yes, I can also make a circle with a rope and nails like Zareena.
Do the activity in small groups. Each group should take a rope of a different length.
Ans. (Do as directed)
Page No. 108 Solutions
Draw the radius of this bangle using a ruler. Measure the length of the radius.
Ans.
‘OA’ is the radius of this bangle. The length of radius ‘OA’ is 1.5 cm.
Draw the radius of these circles. Guess which circle has the longer radius……..
Ans.
Circle (B) has a longer radius than (A)
Measure the radius of both circles using a ruler.
Write the length of their radius.
Radius of the green circle __________
Radius of the blue circle __________
Ans. The radius of the circle (A) = 1 cm
The radius of the circle (B) = 1.5 cm
Find out
Measure the radius of the wheels of a bicycle or a bullock cart.
Are all the wheels of a bicycle or a bullock cart of the same radius?
Ans. Yes, all the wheels of a bicycle or a bullock cart are of the same radius.
Have you seen a tractor or a road roller?
Ans. Yes, I have seen a tractor and a road roller.
Which is the biggest wheel you have ever seen?
Ans. Merry-go-round is the biggest wheel which I have seen.
Are all wheels of a tractor or road roller of the same radius?
Ans. No, all wheels of a tractor and road roller are not of the same radius.
Page No. 109 Solutions
Lali and Kali are tied to a pole with ropes. Kali has a longer rope. Who can look for more grass to eat? ________
Ans. Kali can look for more grass to eat as she is tied to a longer rope as compared to Lali.
Page No. 110 Solutions
Is this circle better than the one you made earlier without a compass? Draw the radius of this circle and measure it.
Ans. Yes, this circle is better than the one which we had made without a compass. The radius of this circle is 2 cm.
Now you can make your own designs like Bunty had made. How many did you make?
Ans. (Do yourself)
Page No. 111 Solutions
Is It a Circle?
Guess
Why did Asma get such a drawing? Discuss.
Ans. Asma got such a drawing because she had changed the centre of the circle.
Can a circle have more than one centre?
Ans. No.
Did any one of you ever get a shape like Asma’s?
Ans. Yes, many times.
Page No. 114 – 115 Solutions
Spin the Top
Guess
Whose top will not spin at all?
Ans. Aly’s and Maria’s top will not spin at all.
Whose top will spin a little?
Ans. Babloo’s top will spin a little.
Whose top will spin the best?
Ans. Raju’s top will spin the best.
In whose top is the stick nearest to the centre?
Ans. In Raju’s top, the stick is nearest to the centre.
Make your own Top
To make the top spin well, where will you make the hole?
Ans. To make the top spin well, we will make the hole at the centre of the circle.
That’s it about Carts and Wheels Class 4 Math JKBOSE Solutions. Hope you found it useful. Do share your views about this post in the comment section below.
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