Weight and Its Measurement

Q. If a man needs 500 g of rice for a day, then how many kilograms of rice are needed for 10 people for a day?

1. 5
2. 10
3. 25
4. 50

Q.

3 friends ordered 2 pizzas of 6 slices each and ate equal amounts, how many slices did each person eat?

1. 4
2. 1
3. 2
4. 3

Q. Fazila writes the things they need to buy to begin. See the table for the cost of each item and the number of items they want to buy. Find the total cost.

Item	Price of each	Number of items	Cost
Bore well for fresh water Bamboo rack for fish drying Cement tank Tray and knife Bucket	Rs 3000 Rs 2000 Rs 1000 Rs 300 Rs 75	1 20 4 20 20

Total cost to set up the factory = __________
When fresh fish is dried it becomes 1/3 its weight.
In one month they plan to dry 6000 kg of fresh fish.
How much dried fish will they get in a month? _______________

Q. Which Boat Gets How Much?
In one trip the log boat brings about 20 kg of fish. But other types of boats bring a bigger catch as given in the table. The table also shows the speed of each type of boat, which is how far each boat goes in one hour. Look at the table and calculate ―
(a) About how much fish in all will each type of boat bring in seven trips?
(b) About how far can a motor boat go in six hours?
(c) If a long tail boat has to travel 60 km how long will it take?

Type of boat	Catch of fish in one trip (in kg)	Speed of the boat (how far it goes in one hour)
Log boat Long tail boat Motor boat Machine boat	20 600 800 6000	4 km per hour 12 km per hour 20 km per hour 22 km per hour

Q. Years and Years
(a) Sohan drinks 8 glasses of water every day.
• How many glasses will he drink in one month? __________
• How many glasses will he drink in one year?
• If 125 people living in a colony drink 8 glasses of water in a day, how much water will they drink in a year?

(b) If Sohas heart beats 72 times in one minute, how many times does it beat in one hour?
• Now find out how many times it beats in one day.
• Count your own heart beats to find out how many times your heart beats in one week.

(c) A baby elephant drinks around 12 L of milk every day. How much milk will it drink in two years?

(d) A baby blue whale drinks around 200 L of milk in one day. Just imagine how much milk that is! Find out in how many days your family would use 200 L milk. How much milk would the baby blue whale drink in eight months?

Q. Priya weighs 60 kg, while her brother's weight is one-third of her weight. How much does he weigh?

1. 50 kg
2. 25 kg
3. 40 kg
4. 20 kg

Q. Have you heard of Kumbhakarna, the brother of Ravana? He is famous for sleeping for half a year.
Most people sleep about 8 hours a day.
Then what part of a day is it? _________

So what part of a year do they sleep? A person 60 years old must have slept ________ years!!!

Q.

Justin weighs $80\mathrm{kilograms}$, Benjamin weighs $40\mathrm{kilograms}$. Jack weighs $60\mathrm{kilograms}$. How much do all $3$ of them weigh in $\mathrm{grams}$?

Q. Mini ― "Come here! Come here! Take sardines at Rs 40 a kg".
Gracy ― "Never so cheap! Get sword-fish for Rs 60 a kg".
Floramma sells prawns for Rs 150 a kg.
Karuthamma sells squid for Rs 50 a kg.

Look, Fazila can hardly carry this big kingfish! She says, "This fish weighs 8 kg. I will sell the whole for Rs 1200".

Practice Time
(1) At what price per kg did Fazila sell the kingfish?
(2) Floramma has sold 10 kg prawns today. How much money did she get for that?
(3) Gracy sold 6 kg sword fish. Mini has earned as much money as Gracy. How many kg of sardines did Mini sell?
(4) Basheer has Rs 100. He spends one-fourth of the money on squid and another three-fourth on prawns.
(a) How many kilograms of squid did he buy?
(b) How many kilograms of prawns did he buy?

Q. Raj ate 6 eggs in morning, 3 eggs in evening for 3 days. If he had 3 dozens (12) of eggs with him at first day, how many eggs are left with him?

1. $\frac{1}{2}$
2. $\frac{1}{3}$
3. $\frac{1}{4}$
4. $\frac{1}{5}$

Q. A boy and a whale weigh 35 kg and 50000 kg respectively. How much more is the weight of the whale when compared to 50 such boys?

1. 46250 kg
2. 47750 kg
3. 48250 kg
4. 49250 kg

Q. If Shami weighs 40 kg, then what is the total weight of 6 boys each of them weighing the same as Shami?

1. 240 kg
2. 220 kg
3. 200 kg
4. 120 kg

Q. Fazila writes the things they need to buy to begin. See the table for the cost of each item and the number of items they want to buy. Find the total cost.

Item	Price of each	Number of items	Cost
Bore well for fresh water Bamboo rack for fish drying Cement tank Tray and knife Bucket	Rs 3000 Rs 2000 Rs 1000 Rs 300 Rs 75	1 20 4 20 20

Total cost to set up the factory = __________
When fresh fish is dried it becomes 1/3 its weight.
In one month they plan to dry 6000 kg of fresh fish.
How much dried fish will they get in a month? _______________

Q. A tank is full of 300 L of water. How much water will be filled in 25 tanks? If 15 buckets can be filled with one tank of water, how many buckets in all can be filled with the water in 25 tanks?

Q. • Guess how many children of your weight will be equal to the weight of an elephant of 5000 kg.
• At birth, a baby elephant weighs around 90 kg. How much did you weigh when you were born? Find out. How many times is a baby elephant heavier than you were at birth?
• If a grown up elephant eats 136 kg of food in a day then it will eat around _________ kg in a month.
Guess about how much it will eat in a year.

Q. Weight of Katy is 64.582 kg. Weight of Julie is 3.896 kg less than Katy. Weight of Jason is 12.483 more than Julie. What is the weight of Jason?

1. 62.489 kg
2. 60.686 kg
3. 72.647 kg
4. 73.169 kg

Q.

In addition of numbers please help me how to weigh 70gms of sugar, salt, chilli, and pepper

Q. Raj ate 6 eggs in morning, 3 eggs in evening for 3 days. If he had 3 dozens (12) of eggs with him at first day, how many eggs are left with him?

1. $\frac{1}{2}$
2. $\frac{1}{3}$
3. $\frac{1}{4}$
4. $\frac{1}{5}$

Q.

Amit has Rs 120. He spends Rs 20 on chocolates and the rest on books. Find the cost of books.

1. Rs 140
2. Rs 100
3. Rs 20
4. Rs 120

Q.

The distance travelled by Prateek from home to temple is 300 metres and from temple to school is 495 metres. What is the total distance travelled by him in kilometres ?

[2 marks]

Q.

Azhar has Rs340. He spends Rs60 on toys, Rs100 on pens and the rest on books. Find the cost of books.

1. Rs 160
2. Rs 180
3. Rs 140
4. Rs 120

Q. Which unit do we use to measure the weight of small and light objects?

1. litres
2. metres
3. kilograms
4. grams

Q. A shop has 50 red bangles and 100 blue bangles. If Seema buys $\frac{4}{5}$ of the red bangles and $\frac{1}{4}$ of the blue bangles, how many bangles does she buy in all?

1. 65
2. 85
3. 25
4. 45

Q. In the EVS period, the teacher asked children whether they help their parents at home. There were different answers. Children named the work in which they help their parents the most. The teacher collected their answers and made a table.

Help most in house work	Number of children
Going to the market	47
Washing utensils	15
Washing clothes	3
Making, serving food	25
Cleaning the house	10
Total children who said they help their parents

Now you can fill the chapati chart to show the numbers given in the table.


Look and find out
Children who help in making or serving food are

(a) One-third of the total children (b) Half of the total children (c) One-fourth of the total children

Q.

A shopkeeper has four weighs and their sum is 40kg. By using the weighs he can calculate any weight from 1-40kg. Calculate the weight of all four weighs.