Tag: Measurements

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.

Answer:
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.

Answer:

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

Answer:

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

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

Answer:

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.

Answer:

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

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

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

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

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

Question 4.
Circle the smallest unit.

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

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

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

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

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

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

Answer:

3rd Standard Maths Guide Measurements Additional Questions and Answers

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

Answer:

Question 2.
Tick the biggest unit.

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

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

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

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

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

Question 3.
Circle the smallest unit.

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

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

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

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

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

Samacheer Kalvi 3rd Standard Maths Guide

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

Recall (Text Book Page No. 23):

Tick the heavier object.

Answer:

Question 1.
Find the number of 100g packets used to fill 3kg of rice.
Answer:
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
Answer:
c) metre

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

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

Question 2.
Fill in the blanks.

i) 1000 grams = _____ kg
Answer:
1

ii) 2 kilograms = _____ grams
Answer:
2000

Question 3.
Write in short form.

i) gram = _____
Answer:
g

ii) Kilogram = _____
Answer:
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.

Answer:

Question 5.
Answer the following:

i) Price of 100g of ice cream is ₹ 20. Ramya bought 1Kg of ice cream. How much should she pay to the shopkeeper?
Answer:
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.
Answer:
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?
Answer:
Saranya had weight of flour = 3 kg = 3000 g
Weight of flour in a packet = 500 g
No. of packets = = 6 packets.

3rd Standard Maths Guide Measurements Additional Questions and Answers

I. Fill in the blanks.

(i) 3000 grams = _____ kg
Answer:
3

(ii) 4 kg = _____ grams
Answer:
4000

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

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

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

II. Answer the following:

(i) Price of 1kg of rice is ₹ 60. Jaswitha bought 3000 g of Rice. Find the amount she has to pay to the shopkeeper.
Answer:
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?
Answer:
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 Guide

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.

Answer:
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
Answer:
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.
Answer:
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.
Answer:
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.

Answer:
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.

Answer:
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.
Answer:
cm

ii. My hairpin is _____ long.
Answer:
mm

iii. This tree is 3 _____ high.
Answer:
m

iv. Height of coconut tree is 15 _____.
Answer:
m

b. Meena has a ribbon of 50 cm and Reena has a ribbon of 110 cm. Whose ribbon is the longer?
Answer:
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.

Answer:
Activity to be done by students.

Try this (Text Book Page No. 48):

a. Centimeter _____ Meter
Answer:
<

b. Meter _____ Kilometer
Answer:
<

c. Kilometer _____ Centimeter
Answer:
>

Practice (Text Book Page No. 49):

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

Answer:

Activity 7 (Text Book Page No. 49):

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

Answer:
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
Answer:
4. cubit

Question 2.
Fill in the blanks.

a. 1 meter = _____ cms
Answer:
100

b. 2 meter = _____ cms
Answer:
200

c. 3 meter = _____ cms
Answer:
300

d. 4 meter = _____ cms
Answer:
400

Question 3.
Match the following.

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

Answer:

Question 4.
Write all the non-standard units.
Answer:

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

Question 5.
Write all the standard units you know.
Answer:

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

Question 6.
Write in short form,

a. millimeter : _____
Answer:
mm

b. meter : _____
Answer:
m

Question 7.
Write the given units in order.
Ascending order: _____, _____, _____, _____
Descending order: _____, _____, _____, _____

Answer:
Ascending order: mm, cm, m, km
Descending order: km, m, cm, mm.

Samacheer Kalvi 3rd Standard Maths Guide