**“****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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