## Samacheer Kalvi 3rd Standard Maths Book Solutions Term 3 Chapter 4 Measurements

Recall (Text Book Page No. 26):

Some vessels full of water are given here. Observe them and tell which one can hold more water and which one holds less water.

Mug hold less and bucket hold more water.

Measurement by non standard tools (Text Book Page No. 28):

Question 1.
Tick the container that holds more water.

Question 2.
Which among the given container will hold more water?

Measurement by standard tools (Text Book Page No. 32):

Question 1.
Complete the table classifying these under the given table.

 Less than 1 litre vessel More than 1 litre vessel 1. Medicine bottle 1. Pot 2. Tumbler 2. Water can 3. Water pot 3. Oil can

Question 2.
Tick the appropriate unit to measure the given liquid.

Question 3.
Tick the biggest unit.
i. a) 500 ml
b) 100 ml
c) 50 ml
d) 75 ml
a) 500 ml

ii. a) 200 ml
b) 300 ml
c) 150 ml
d)175 ml
b) 300 ml

iii. a) 5 l
b) 2 l
c) 8 l
d) 7 l
c) 8 l

iv. a) 3 l
b) 300 ml
c) 30 ml
d) 30 l
d) 30 l

v. a) 250 ml
b) 1500 ml
c) 760 ml
d) 75 l
d) 75 l

Question 4.
Circle the smallest unit.

i. a) 250 ml
b) 350 ml
c) 50 ml
d) 750 ml
c) 50 ml

ii. a) 300 ml
b) 350 ml
c) 800 ml
d) 275 ml
d) 275 ml

iii. a) 10 l
b) 3 l
c) 9 l
d) 6 l
b) 3 l

iv. a) 3 l
b) 350 ml
c) 5 ml
d) 40 l
c) 5 ml

v. a) 2500 ml
b) 100 ml
c) 810 ml
d) 175 l
100 ml

Question 5.
How many litres of water do you use for the following purpose in your house? Complete the table.

Question 1.
Tick the appropriate unit to measure the given liquid.

Question 2.
Tick the biggest unit.

i. a) 250 ml
b)180 ml
c) 80 ml
d) 160 ml
a) 250 ml

ii. a) 130 ml
b)170 ml
c) 300 ml
d) 450 ml
d) 450 ml

iii. a) 7 l
b) 6 l
c) 3 l
d) 4 l
a) 7 l

iv. a) 2 l
b) 325 ml
c) 6 ml
d) 45 l
d) 45 l

v. a) 300 ml
b) 1750 ml
c) 1500 ml
d) 2 l
d) 2 l

Question 3.
Circle the smallest unit.

i. a) 325 ml
b) 375 ml
c) 125 ml
d) 630 ml
c) 125 ml

ii. a) 150 ml
b) 80 ml
c) 272 ml
d) 500 ml
b) 80 ml

iii. a) 15 l
b) 12 l
c) 13 l
d) 2 l
d) 2 l

iv. a) 7 l
b) 300 ml
c) 250 ml
d) 1 l
c) 250 ml

v. a) 250 ml
b) 195 ml
c) 4 l
d) 15 ml
d) 15 ml

## Samacheer Kalvi 3rd Standard Maths Book Solutions Term 2 Chapter 3 Measurements

Recall (Text Book Page No. 23):

Tick the heavier object.

Question 1.
Find the number of 100g packets used to fill 3kg of rice.
3kg =30 packets of 100g.

Exercise (Text Book Page No. 26):

Question 1.
Circle the odd one out.

i. a) gram
b) Kilogram
c) metre
c) metre

ii. a) 50 g
b) 500 g
c) 100 cm
c) 100 cm

iii. a) 1 m
b) 2 kg
c) 5 kg
a) 1 m

Question 2.
Fill in the blanks.

i) 1000 grams = _____ kg
1

ii) 2 kilograms = _____ grams
2000

Question 3.
Write in short form.

i) gram = _____
g

ii) Kilogram = _____
kg

Question 4.
Find the number of bags to be used to fill the given items, if one bag can hold 100 g of the given items.

Question 5.

i) Price of 100g of ice cream is ₹ 20. Ramya bought 1Kg of ice cream. How much should she pay to the shopkeeper?
Price of 100g ice cream = ₹ 20
Let 1 piece of ice cream = 100 g
Ice cream = 1 kg = 1000 g
No. of ice cream pieces for 1 kg = $$\frac{1000}{100}$$ = 10 pieces
Price of 1kg ice cream = 10 × 20 = ₹ 200

ii) Price of 1 Kg of sugar is ₹ 50. Ranjith bought 2000 g of sugar. Find the amount she has to pay to the shopkeeper.
Price of 1 kg sugar = ₹ 50
Ranjith bought 2000 g = 2 kg
Amount he has to pay to the shopkeeper = 2 × 50 = ₹ 100

iii) Saranya had 3 Kg of flour to be packed into packets of 500 g each. In how many packets can she pack the flour?
Saranya had weight of flour = 3 kg = 3000 g
Weight of flour in a packet = 500 g
No. of packets = = 6 packets.

I. Fill in the blanks.

(i) 3000 grams = _____ kg
3

(ii) 4 kg = _____ grams
4000

(iii) 4500 grams = _____ kg _____ grams
4 kg 500 grams

(iv) 3250 grams = _____ kg _____ grams
3 kg 250 grams

(v) 6 kg 400 gm = _____ grams
6400.

(i) Price of 1kg of rice is ₹ 60. Jaswitha bought 3000 g of Rice. Find the amount she has to pay to the shopkeeper.
Price of 1kg of rice = ₹ 60
Jaswitha bought = 3000g = 3 kg
∵ 1kg = 1000 g
The amount she has to pay to the shopkeeper = 60 × 3 = ₹ 180

(ii) Samvardhini had 5 kg of Ice creams to be packed into packets of 500 g each. In how many packets can she pack the ice cream?
Samvardhini had ice creams = 5kg = 5000g
∵ 1kg = 1000 g
Each packet had ice cream = 500g
∴ No. of packets can she packed = = 10 packets.

## Samacheer Kalvi 3rd Standard Maths Book Solutions Term 1 Chapter 4 Measurements

Activity 1 (Text Book Page No. 45):

Tabulate the length of your class table measured by five of your friends with non-standard units.

Activity to be done by the students themselves.

Activity 2 (Text Book Page No. 45):

Measure the length of ribbon by your hand span.

Friend 1 ___________ hand span
Friend 2 ___________ hand span
Friend 3 ___________ hand span
Friend 4 ___________ hand span
Activity to be done by the students themselves.

Activity 3 (Text Book Page No. 45):

Students are divided into two groups. One group should measure the length of the class room in non standard units and the other group in standard units.
Activity to be done by the students themselves.

Activity 4 (Text Book Page No. 45):

Group of five students measure the length of the black board by given objects.

Activity 5 (Text Book Page No. 47):

Measure the length of ribbon by tape roll.

Raj centimeter
Kavi centimeter
Anu centimeter
Kavi centimeter

Measurements measured using standard units do not change from person to person.
Activity to be done by the students themselves.

Practice (Text Book Page No. 47):

Question 1.
Measure the length of following things by centimetre scale and write it in the table below.

Activity to be done by the students themselves.

Question 2.
Measure length of the things by using ruler.

Measure the length of the following things in your house using a scale.

Activity to be done by the students themselves.

Try this (Text Book Page No. 48):

a. Write metre or centimetre in the blank space.

i. My pencil is 6 _____ long.
cm

ii. My hairpin is _____ long.
mm

iii. This tree is 3 _____ high.
m

iv. Height of coconut tree is 15 _____.
m

b. Meena has a ribbon of 50 cm and Reena has a ribbon of 110 cm. Whose ribbon is the longer?
Meena’s Ribbon = 50 cm
Reena’s Ribbon = 110 cm
∴ Reena’s Ribbon is longer.

Activity 6 (Text Book Page No. 48):

Measure the length of following things in your class room using metre tape and fill in the boxes.

Activity to be done by students.

Try this (Text Book Page No. 48):

a. Centimeter _____ Meter
<

b. Meter _____ Kilometer
<

c. Kilometer _____ Centimeter
>

Practice (Text Book Page No. 49):

Match the objects with the appropriate units of measuring their length.

Activity 7 (Text Book Page No. 49):

Estimate the length of the following objects and verify with actual length.

Activity to be done by students.

Practice (Text Book Page No. 50):

Question 1.
Circle the odd one.
1. mm
2. cm
3. m
4. cubit
4. cubit

Question 2.
Fill in the blanks.

a. 1 meter = _____ cms
100

b. 2 meter = _____ cms
200

c. 3 meter = _____ cms
300

d. 4 meter = _____ cms
400

Question 3.
Match the following.

 10 millimeters 1 kilommeter 100 centimeters 1 centimeter 1000 meters 1 meter

Question 4.
Write all the non-standard units.

1. Finger span
2. Hand span
3. Cubit
4. Pace
5. Foot span

Question 5.
Write all the standard units you know.

1. Millimeter
2. Centimeter
3. Meter
4. Kilometer

Question 6.
Write in short form,

a. millimeter : _____
mm

b. meter : _____