NCERT Class 1 Mathematics • New NEP 2020 / NCF-FS

Chapter 12: How Much Can We Spend?

Indian Currency: Coins ₹1, ₹2, ₹5, ₹10, Notes ₹10, ₹20 & Toy Bills | CBSE Session 2026–27

Core Pedagogical Competencies & Concepts

Recognizing Indian coins: ₹1, ₹2, ₹5, ₹10.
Recognizing currency notes: ₹10 and ₹20 notes.
Combining coins to pay an exact amount (e.g. ₹7 = ₹5 + ₹2).
Calculating total cost of items bought at a stationary/toy shop.
Calculating return change after payment.

All Textbook Exercises & In-Text Tasks (17 Questions)

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Q1 Textbook Exercise • Identifying Coins

Name the four coins commonly used in India shown in your textbook.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• The four common Indian coins are: ₹1, ₹2, ₹5, and ₹10.

CBSE Step-by-Step Marking Scheme

All 4 coins named (₹1, ₹2, ₹5, ₹10) 2 M

Q2 Textbook Exercise • Making ₹6 with Coins

How can you pay ₹6 using two coins?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Take one ₹5 coin and one ₹1 coin.
• ₹5 + ₹1 = ₹6.

CBSE Step-by-Step Marking Scheme

₹5 + ₹1 = ₹6 2 M

Q3 Textbook Exercise • Making ₹7 with Coins

How can you pay ₹7 using two coins?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Take one ₹5 coin and one ₹2 coin.
• ₹5 + ₹2 = ₹7.

CBSE Step-by-Step Marking Scheme

₹5 + ₹2 = ₹7 2 M

Q4 Let Us Do • Making ₹10 with ₹5 Coins

How many ₹5 coins do you need to make ₹10?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• ₹5 + ₹5 = ₹10.
• You need two ₹5 coins.

CBSE Step-by-Step Marking Scheme

Two ₹5 coins 1 M

₹5 + ₹5 = ₹10 1 M

Q5 Textbook Exercise • Making ₹10 with ₹2 Coins

How many ₹2 coins make ₹10?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Count in 2s: 2, 4, 6, 8, 10 (5 times).
• You need five ₹2 coins.

CBSE Step-by-Step Marking Scheme

Five ₹2 coins 2 M

Q6 Let Us Think • Buying an Ice Candy

An orange ice candy costs ₹10. Simran pays with two ₹5 coins. Did she pay the exact amount?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Two ₹5 coins = ₹5 + ₹5 = ₹10.
• Yes, she paid the exact amount.

CBSE Step-by-Step Marking Scheme

Yes, exact amount 1 M

₹5 + ₹5 = ₹10 1 M

Q7 Textbook Exercise • Total Bill at Toy Shop

A toy top costs ₹6 and a balloon costs ₹2. What is the total cost?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Cost of top = ₹6
• Cost of balloon = ₹2
• Total cost = ₹6 + ₹2 = ₹8.

CBSE Step-by-Step Marking Scheme

₹6 + ₹2 = ₹8 2 M

Q8 Textbook Exercise • Return Change Calculation

Kabir buys a notebook for ₹15. He hands the shopkeeper a ₹20 note. How much change does Kabir get back?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Money given = ₹20
• Cost of notebook = ₹15
• Change returned = ₹20 - ₹15 = ₹5.

CBSE Step-by-Step Marking Scheme

₹20 - ₹15 = ₹5 1 M

Answer: ₹5 1 M

Q9 Let Us Do • Coin Rubbing Activity

How do you make a coin print on paper using a pencil?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
1. Place a coin underneath a sheet of paper.
2. Rub gently over the paper with a soft pencil.
3. The design and number (₹1, ₹2, ₹5) appears like magic on paper!

CBSE Step-by-Step Marking Scheme

Place coin under paper 1 M

Rub with pencil 1 M

Q10 Textbook Exercise • Making ₹20 with ₹10 Notes

How many ₹10 notes make a ₹20 note?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• ₹10 + ₹10 = ₹20.
• It takes two ₹10 notes to make ₹20.

CBSE Step-by-Step Marking Scheme

Two ₹10 notes 2 M

Q11 Let Us Think • Can You Buy Both?

Aman has ₹10 in his pocket. A toy car costs ₹8 and a ball costs ₹5. Can Aman buy both toys together?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
1. Total cost of both = ₹8 + ₹5 = ₹13.
2. Aman only has ₹10.
3. Since ₹13 is more than ₹10, No, Aman cannot buy both toys together (he is short by ₹3).

CBSE Step-by-Step Marking Scheme

No, total is ₹13 > ₹10 1 M

Short by ₹3 noted 1 M

Q12 Textbook Exercise • Match Money to Amount

Match the coin combinations to their total:
(a) ₹5 + ₹5
(b) ₹5 + ₹2 + ₹1
(c) ₹2 + ₹2 + ₹1

[3 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• (a) ₹5 + ₹5 = ₹10
• (b) ₹5 + ₹2 + ₹1 = ₹8
• (c) ₹2 + ₹2 + ₹1 = ₹5

CBSE Step-by-Step Marking Scheme

All 3 correctly evaluated 3 M

Q13 Activity • Indian Rupee Symbol

What is the official currency symbol of India? Draw it.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• The Indian Rupee symbol is ₹.
• It is derived from the Devanagari letter 'र' with a horizontal stroke across the top.

CBSE Step-by-Step Marking Scheme

Symbol ₹ identified 1 M

Devanagari 'र' origin 1 M

Q14 Word Problem • Two Candies

One chocolate bar costs ₹4. How much do two chocolate bars cost?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• ₹4 + ₹4 = ₹8.

CBSE Step-by-Step Marking Scheme

₹4 + ₹4 = ₹8 2 M

Q15 Textbook Exercise • Making ₹15 with Coins and Notes

Name one way to pay ₹15 using a note and a coin.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• One ₹10 note and one ₹5 coin = ₹10 + ₹5 = ₹15.

CBSE Step-by-Step Marking Scheme

₹10 note + ₹5 coin 2 M

Q16 Let Us Do • Toy Price Tags

A teddy bear has a price tag of ₹18. Ravi pays with a ₹20 note. What coin should the shopkeeper give him back?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• ₹20 - ₹18 = ₹2.
• The shopkeeper should give him a ₹2 coin.

CBSE Step-by-Step Marking Scheme

₹2 coin 2 M

Q17 Competency Review • Saving in a Piggy Bank

Riya drops a ₹5 coin into her piggy bank on Monday and a ₹5 coin on Tuesday. How much money has she saved?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• ₹5 + ₹5 = ₹10 saved.

CBSE Step-by-Step Marking Scheme

₹10 saved 2 M

🌟 NEP 2020 Competency-Based Case Study

Stationery Shop Purchase Case Study

Rohan goes to the stationery shop with a ₹20 note. He buys a wooden pencil for ₹5 and an eraser for ₹3.

Analytical Task: What is the total cost of the pencil and eraser? How much change should the shopkeeper return to Rohan from his ₹20 note?

Evaluation & Model Answer:

1. Total cost = ₹5 + ₹3 = ₹8.
2. Change returned = ₹20 - ₹8 = ₹12 (e.g., a ₹10 coin and a ₹2 coin).

Rubric: 1.5 M for ₹5 + ₹3 = ₹8 + 1.5 M for ₹20 - ₹8 = ₹12 change