**A Trip to Bhopal**

*Questions with (*) sign are open ended questions.*

Ms. Meenakshi and Mr. Rakesh are talking about the number of buses needed.

Ms. Meenakshi: – We will need 4 buses.

Mr. Rakesh: I think we need at least 5.

Ms. Meenakshi:- Each bus has 50 seats.

Mr. Rakesh: – Let us see how many children are going.

Class | Number of Children |

I | 33 |

II | 32 |

III | 42 |

IV | 50 |

V | 53 |

TOTAL | 210 |

Do we need 4 buses? One bus can take 50 children. 4 buses can take 50 X 4 = ______________?

Do we need 4 buses? One bus can take 50 children. 4 buses can take 50 X 4 = __200__

So there are a total of __210__ Children going.

If they get 4 buses, how many children will get seats.

If they get 4 buses, only 200 children can get seats.

Will there be any children left without seats?

Yes, there are 10 children left without seats.

Page 24

Each mini bus can take 35 students. How many mini buses are needed?

Number of students in one bus = 35

Total number of students = 210

Number of buses required = 210 ÷ 35

= 6

Page 25

Come on now, get in fast. It’s already 9 o’clock.

Indra – When we will reach Bhopal?

Ms. Asha – If we don’t stop anywhere, we should reach there in 2 hours, that is around __11 o’clock__.

Manjeet – Is it very far?

Mr. Bhimsen – It is about 70 km.

Ruby – Are we going to stop anywhere?

Mr. Rakesh – Maybe at Bhimbekta, about 50 km from here.

If they go to Bhimbetka, they will reach there

– Before 10 o’clock

– between 10 o’clock and 11 o’clock

– After 11 o’clock.

Answer: After 11 o’clock.

Page 26

Was Victoria right?

Sadaf – I just can’t imagine 500 metres.

Ms. Asha – See, our bus is about 5 metres long. Imagine how many buses can stand in a line on this bridge.

*(*) *Have you ever crossed a long bridge? About how many metres long was it _______________

What is the difference between the water level of the Narmada in the rainy season and now?

The water level in the rainy season = 40 m

Water level before the rainy season = 15 m

The difference in the water level = 40 – 15

= 25 m

Page 27

Each bus takes about 15 minutes to refill and there are two buses to be refilled. So they stop there for about ____________ minutes, which means they are late about ______________ minutes.

Time taken by each bus to refill = 15 min

Number of buses = 2

Total time taken by 6 buses= 15 X 2

= 30 min

Each bus takes about 15 minutes to refill and there are two buses to be refilled. So they stop there for about __30__ minutes, which means they are late about __30__ minutes.

Look in the picture and find the price of l litre of diesel.

Number of total petrol refilled = 100 litres

The total price of petrol refilling = Rs 3500

Price of l litre petrol = 3500 ÷ 100

= Rs 35

Aman has taken as much time to empty himself as one bus is taking to refill. How much time did Aman take to come out of the toilet?

15 minutes

Page 29

Number of bison = 37

Number of deer = 117

How many more deers are there than bison?

Number of more deers than bisons

= number of deer – number of bisons

= 117 – 37

= 80.

How many people must Bonomala have counted?

a). 214 b). 154 c). 134 d). 177

number of deer + number of bisons = 117 + 37

= 154

The number of people is more than the number of deers and bison together, but less than 200.

Therefore, the number of people Bonomala counted = 177.

They have spent 1 hour there. What time is it?

They reached Bhimbetka exactly at 11 o’clock.

So, the time is = 12 o’clock.

They are now moving towards Bhopal. They should reach there in less than 1 hour, at about ________ o’ clock.

At about 1 o’ clock.

Page 30

Each child is given 1 orange, 1 banana, and 5 biscuits. All the children take oranges and biscuits but 38 children do not take bananas. How many oranges, biscuits, and bananas were distributed.

Number of children = 210

All the children take oranges

Oranges distributed = 210 X 1 = 210

All the children take biscuits

Biscuits distributed = 210 X 5 = 1050

38 children do not take bananas

Bananas distributed = 210 – 38

= 172.

A). I gave four toffees each to four of my friends and three toffees are left with me. How many toffees did I have?

Number of friends = 4

Number of toffees given to each friend = 4

Toffees left with me = 3

Total number of toffees = number of friends X toffees given to each

Friend + toffees left with me

= 4 X 4 + 3

= 16 + 3

= 19

B). What numbers can you make using 3, 5, 7? You can make 357 and 537. What others?

Other numbers we can make using 3, 5, 7 are 375, 573, 735, 753.

C). A number becomes double if it is increased by 8. What is the number?

A number becomes double of it by adding the same number to itself.

Therefore, the number is 8.

Page 31

Think of a number that can be divided by 2, 3 and 5 and comes between 25 and 30.

The number which can be divided by 2, 3 and 5 is the common multiple of these numbers.

2 X 3 X 5 = 30

30 is divisible by 2, 3, 5.

A small ant climbs 3 cm in 1 minute but slips down 2 cm. How much time will it take to climb 2 cm?

The ant climbs total distance in 1 minute = 3 – 2 = 1

Therefore, the ant takes 2 min to climb 2 cm.

Page 33

Indra and Bhanu first went in the motorboat and then took the oar boat.

How much did they pay for both the boats?

Cost for motor-boat= Rs 25

Cost of oar-boat = Rs 15

They have to pay = 25 + 15

= Rs 40

How much time did they get for both rides?

Time for motor-boat= 20 minutes

Time of oar-boat = 45 minutes

Total time for both the rides = 20 + 45

= 65 minutes

= 1 hour 5 minutes.

One group of children went for the double-decker trip. They paid Rs 450 in total. How many children went for the double-decker trip?

Total amount paid = Rs 450

Price of a double-decker trip = Rs 30

Number of children = 450 ÷ 30

= 15.

Which boat makes two trips in 1 hour?

Paddleboat makes two trips in 1 hour.

Which boat takes less than half an hour to complete the trip?

Motor-boat takes less than half an hour to complete a trip.

Which boat gives them the most time taking the least money?

Oar-boat gives them the most time taking the least money.

Javed went twice for boating. He paid a total of Rs 40 and boated for 50 minutes. Which two boats did he take?

Javed took motor-boat and the paddleboat.

So they should reach Hoshangabad by __6__ o’clock.

Page 34

Have you ever been on a school trip? How many children were there in all? How did you go and how far? How much time did it take? Try to find the cost of travel for each child.

Practice time

1). There are four very old cave-paintings. Mark the oldest.

a). 4200 years old c). 8500 years old

b). 1000 years old d). 1300 years old

answer: c). 8500 years old.

2). One bus can carry 48 children. How many children can three buses carry? About-

a). 100 b). 200 c). 150

answer: c). 150

children in 1 bus= 48

number of buses = 3

number of children = 48 X 3

= 144

3). Which pair of numbers add to make more than 500?

a). 152 and 241 c). 99 and 299

b). 321 and 192 d). 401 and 91

answer: b). 321 and 192

152 + 214 = 366

321 + 192 = 513

99 + 299 = 398

401 + 91 = 492

4). What happened at what time? Draw lines to match.