NCERT Solutions Class 1 Maths Chapter 12 How Much Can We Spend

F R E E S T U D Y M AT E R I A L F O R E V E R Y S T U D E N T

C L A S S 1 · M AT H S

NCERT Solutions
+ ×
Chapter 12: How
Much Can We
Spend? ₹1

NCERT Textbook — Joyful Mathematics

BOOK PAGES SECTIONS QUESTIONS MEDIUM

115 – 119 8 19 English

Every question Step by step Exam ready
Activities, in-text questions The working shown, not Written to match how
and all exercises. just the final answer. marks are awarded.

Solutions, notes, sample papers & more at 23 pages

l h h e ch e e d A aS m · NCERT So ut ons
gl e l i

C L A SS 1 · M AT H S · JOY F UL M AT HE M AT IC S
NCERT So ut ons — C apt r 12: How Mu Can W
Sp n ?
l i h e ch e

e d

R ya an Sa
i d hil count coins and notes. We learn how much money we have.

T E XT B OOK B OOK PAGE S
Joyful Mathematics Class 1 115  119

S EC T I ONS QU E ST I ONS
8 19

M EDI UM
English

n-text Questions — Page 115
I

Riyaʼs coins and Sahilʼs notes

Q1 Riya started to count the number of coins ₹1, ₹2, ₹5, ₹10 and Sahil started to count
notes of ₹10, ₹20, ₹50 and ₹100. Look at these coins and notes, and write their
denominations below.

The coins:

₹1 ₹2 ₹5 ₹10

₹1
The coins. ₹1 is written for you.

₹1, ₹2, ₹5, ₹10

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₹1 ₹2 ₹5 ₹10

₹1 ₹2 ₹5 ₹10
The coins. ₹1 is written for you.

Read the number on each coin. ₹1 is done in the book.

Q2 Riya started to count the number of coins ₹1, ₹2, ₹5, ₹10 and Sahil started to count
notes of ₹10, ₹20, ₹50 and ₹100. Look at these coins and notes, and write their
denominations below.

The notes:

₹10 ₹20 ₹50 ₹100

₹10
The notes. ₹10 is written for you.

₹10, ₹20, ₹50, ₹100

₹10 ₹20 ₹50 ₹100

₹10 ₹20 ₹50 ₹100

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The notes. ₹10 is written for you.

Read the number on each note.

Let us o — Page 116
D

Rahim Kaka  The Toy Seller

Q1 A. On e b all costs ₹20.
Riya gives _____ c oins of ₹5 for the ball.

One ball costs ₹20.

Riya gives 4 coins of ₹5.

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as e
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a g l A aS m · NCERT So ut ons
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co m
em.
m l as
.co
₹5 ₹5 ₹5 a g ₹5
a s em
ag l

5 10 m.com 15 20 ag
l a se
ag 4 coins of ₹5.

co m
m.
Count
e
5, 10, 15, 20.

m l as
.co a g
a s em
a glQ2 A. On e b all costs ₹20.
Sahil gives note of ₹10 for the ball.
s
_____

m a
m.co agl
l a se
a g

co m
m .
m as e
.co a g l
se m
g l a
a
se m
com g l a
m . a
ase
agl

co m
m .
m ase
.co
One ball costs ₹20.
a g l
se m
g l a
a c
m .
m a s e
Sahil gives 2 notes of ₹10.
e m . co agl
g l as
a

co m
m .
m as e
.co

a g l Page 4 of 23

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₹10 ₹10
10 20
2 notes of ₹10.

10 and 10 make 20.

About the book: The book says “noteˮ. There are 2, so it is “notesˮ.

Q3 B. Nam t e he toys you can buy for ₹10.

₹10 ₹14 ₹15 ₹20

Rahim Kakaʼs toys and their prices.

The flute (bansuri).
It costs ₹10. The other toys cost more.

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Q4 C. Nam t e he toys you can buy for ₹20.

₹10 ₹14 ₹15 ₹20

Rahim Kakaʼs toys and their prices.

The ball. It costs ₹20.
Or 2 flutes: ₹10  ₹10  ₹20.
You can also buy just the flute, the car or the elephant. Each costs less than ₹20.

Q5 D. I t
f ost of a car is ₹14 and Riya has ₹10 with her, how much more money does she
he c

need to buy the car?

₹10 ₹14 ₹15 ₹20

Rahim Kakaʼs toys and their prices.

She needs ₹4 more.
Count on from 10 11, 12, 13, 14. That is 4.

About the book: The ₹14 toy in the picture looks like a bus, not a car.

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Q6 E. R ya an Sa to t r av ₹30. Wr t t
i d hil ge he h e i e he name of the toys which they can buy.

₹10 ₹14 ₹15 ₹20

Rahim Kakaʼs toys and their prices.

The ball and the flute.
₹20  ₹10  ₹30.

Or 3 flutes: ₹10  ₹10  ₹10  ₹30.

− Exp anat on
l i

For parents other answers are also right because they cost
: , less. For example, the
₹30 or

car and the elephant: ₹14  ₹15  ₹29 ₹1 is left). Or the flute and the elephant: ₹10  ₹15 
₹25.

F ind the total amount and tick the correct option — Page 117

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Add the coins and notes in each row

Q1 Fn t
i d he total amount and tick ✓ the correct option.

₹1 ₹1 ₹5
11 7 3

Find the total. Tick one number.

Tick 7.

₹1 ₹1 ₹5
11 7 3

Find the total. Tick one number.

₹1  ₹1  ₹5  ₹7.

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co m
m.
Q2 Fn t total amount and tick ✓ the correct option.
e
i d he

m l as
m .co a g
l a se
a g ₹10
m 13 18 16
.co ag
sem
₹2 ₹2 ₹2
a
agl
m
Find the total. Tick one number.
co
e m.
m l as
A NSWeEm .co a g
as16.
R

a g
T lick

m a s
m.co agl
se
₹10 agla
13 18 16
₹2 ₹2 ₹2 .com
m
m ase
e m . co agl
g l as
a
Find the total. Tick one number.

se m
com g l a
. a
₹10  ₹2  ₹2  ₹2  ₹16

m
ase
Count : 10, 12, 14, 16.

a gl
Tip The grey coins here are ₹2 coins.
:

co m
m .
m as e
.co a g l
se m
g l a
a c
m .
m a s e
e m . co agl
g l as
a

co m
m .
m as e
.co

a g l Page 9 of 23

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Q3 Fn t
i d he total amount and tick ✓ the correct option.

₹5 ₹5 ₹5 ₹2
9 19 17
₹2

Find the total. Tick one number.

Tick 19.

₹5 ₹5 ₹5 ₹2
9 19 17
₹2

Find the total. Tick one number.

₹5  ₹5  ₹5  ₹2  ₹2  ₹19

Count : 5, 10, 15, 17, 19.

Tip: The grey coins here are ₹2 coins.

Let us Play — Page 117

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A s opp n
h i g g ame

Q1 Let us Play
Make your own currency notes and coins of paper slips. Play a shopping game in the
classroom.

Make paper money. Play shop.
 Write ₹1, ₹2, ₹5, ₹10 on paper slips.
 Some children sell. Others buy.
Pay in different ways. ₹10 can be ₹5  ₹5.

Fill or draw the amount in different combinations using the given currency —
Page 118

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Use ₹5, ₹1 and ₹2 coins and ₹10 and ₹20 notes. ₹20 is done in the book.

Q1 F or raw t
ill d he amount in different combinations using the given currency.
₹10

₹5 ₹1 ₹2 ₹10 ₹20

The given currency.

₹10

Four empty boxes for ₹10.

₹10 note, or ₹5  ₹5.

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₹10 ₹5 ₹5

₹10
₹5 ₹2 ₹2 ₹1 ₹2 ₹2 ₹2 ₹2

₹2

Four ways to make ₹10.

Each box makes ₹10. Other ways are right too.

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F or raw t amount in different combinations using the given currency.. com
m
Q2
se
ill d he

₹13
com g l a
m . a
ase
agl
₹5 ₹1 ₹2
m ₹10 ₹20
.co ag
a sem
agl The given currency.

co m
em.
m l as
m .co a g
l a se
a g
m a s
m .co agl
l a se ₹13
a g

co m
m .
m ase
.co a g l
se m
g l a
a
se m
com
Four empty boxes for ₹13.
g l a
m . a
ase
agl

co m
.
₹10  ₹2  ₹1
em
m l as
m .co a g
l a se
ag
.c
s e m
m a
e m . co agl
g l as
a

co m
m .
m as e
.co

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₹10 ₹10

₹2 ₹1 ₹1 ₹1 ₹1
₹13
₹5 ₹5 ₹2 ₹1 ₹5 ₹2 ₹2 ₹2

₹2

Four ways to make ₹13.

Each box makes ₹13. Other ways are right too.

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Q3 F or raw t
ill d he amount in different combinations using the given currency.
₹8

₹5 ₹1 ₹2 ₹10 ₹20

The given currency.

₹8

Four empty boxes for ₹8.

₹5  ₹2  ₹1

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₹5 ₹2 ₹1 ₹5 ₹1 ₹1 ₹1

₹8
₹2 ₹2 ₹2 ₹2 ₹2 ₹2 ₹2 ₹1

₹1

Four ways to make ₹8.

Each box makes ₹8. Other ways are right too.

Match the same amount by drawing a line — Page 119

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A s on n t
i d e i he b ook.

Q1 Match the same amount by drawing a line.
B.

A
₹10 ₹10

₹5 ₹2

B ₹5 ₹2 ₹5 ₹5 ₹5

C ₹5 ₹5 ₹2 ₹1 ₹1 ₹5

Match the same amount. A is done in the book.

Join B to ₹1, ₹1, ₹5.

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co m
A se m.
m l a
.co ₹10 ag ₹10
a sem
agl ₹5 ₹2
co m
e m . ag
B l as
₹5 ₹2 a g ₹5 ₹5 ₹5

co m
e m.
m l as
m.co a g
l a sCe
a g ₹5 ₹5 ₹2 ₹1 ₹1 ₹5

m a s
m .co agl
l a se
g
a the same amount. A is done in the book.
Match

co m
m .
as e
₹5  ₹2  ₹7. ₹1  ₹1  ₹5  ₹7.

m l
m .co a g
l a se
ag
se m
com g l a
m . a
ase
agl

co m
m .
m as e
.co a g l
se m
g l a
a c
m .
m a s e
e m . co agl
g l as
a

co m
m .
m ase
.co

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Q2 Match the same amount by drawing a line.
C.

A
₹10 ₹10

₹5 ₹2

B ₹5 ₹2 ₹5 ₹5 ₹5

C ₹5 ₹5 ₹2 ₹1 ₹1 ₹5

Match the same amount. A is done in the book.

Join C to ₹10 and ₹2.

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A
₹10 ₹10

₹5 ₹2

B ₹5 ₹2 ₹5 ₹5 ₹5

C ₹5 ₹5 ₹2 ₹1 ₹1 ₹5

Match the same amount. A is done in the book.

₹5  ₹5  ₹2  ₹12. ₹10  ₹2  ₹12.

Saving money is a good habit — Page 119
D s uss
i c

Q1 Saving money is a good habit. Discuss.

Sample answer: Saving money is good. I put ₹1 and ₹2 coins in my gullak. Later I can buy what
I need. I do not waste money.

Project Work — Page 119

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Make a gullak

Q1 Project Work
Try to make your own gullak with a spare box at your home with the help of your
siblings or elders.

Make a gullak from a box.
 An elder cuts a thin slit on top.
 Cover the box with coloured paper.
Now put your coins in it.

C hapter at a glance
Coins : ₹1, ₹2, ₹5, ₹10.

Notes: ₹10, ₹20, ₹50, ₹100.
Add the coins to find the total .

₹20 is It is also
₹10  ₹10. ₹5  ₹5  ₹5  ₹5.

Saving money is a good habit.

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Quick revision
AMOUNT ONE WAY ANOTHER WAY PAGE
₹7 ₹5 + ₹1 + ₹1 ₹5  ₹2 117, 119

₹8 ₹5 + ₹2 + ₹1 ₹2  ₹2  ₹2  ₹2 118

₹10 ₹10 note ₹5  ₹5 118

₹12 ₹10 + ₹2 ₹5  ₹5  ₹2 119

₹13 ₹10 + ₹2 + ₹1 ₹5  ₹5  ₹2  ₹1 118

₹15 ₹10 + ₹5 ₹5  ₹5  ₹5 119

₹16 ₹10 + ₹2 + ₹2 + ₹2 ₹10  ₹5  ₹1 117

₹19 ₹5 + ₹5 + ₹5 + ₹2 + ₹2 ₹10  ₹5  ₹2  ₹2 117

₹20 ₹10 + ₹10 ₹5  ₹5  ₹5  ₹5 116, 118

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