NCERT Class 1 Mathematics • Classic CBSE

Chapter 2: Numbers from One to Nine

Q: In the textbook illustration: 5 cats are paired with 5 mice by drawing connecting lines. Is every cat matched to a mouse?

Step-by-Step Solution:• Yes, there are 5 cats and 5 mice.• Since 5 = 5, there are as many mice as cats.

Q: 5 children are playing musical chairs. There are only 4 chairs. Tick (✓) which is MORE: Children or Chairs?

Step-by-Step Solution:• Children = 5• Chairs = 4• 5 > 4, so Children are MORE (tick ✓).

Q: Count the watermelons: There are 2 watermelons. Match with numeral 2.

Step-by-Step Solution:• 2 watermelons match with numeral 2 (Two).

Q: Count the milk bottles in the crate: • • • • •. Write the numeral.

Step-by-Step Solution:• There are 5 milk bottles. Numeral: 5 (Five).

Q: Count the wooden ladders standing against the wall: • • •. Write the numeral.

Step-by-Step Solution:• There are 3 wooden ladders. Numeral: 3 (Three).

Q: Count the red gas cylinders: • • • •. Write the numeral.

Step-by-Step Solution:• There are 4 gas cylinders. Numeral: 4 (Four).

Q: There are 6 glass bottles in a row. Draw a line around a group of 4 bottles.

Step-by-Step Solution:• Circle 4 bottles together.• 2 bottles remain uncircled.

Q: There are 5 trees. Circle a group of 3 trees.

Step-by-Step Solution:• Draw a circle around any 3 trees.• 2 trees remain outside.

Q: There are 4 drums. Draw a ring around a group of 2 drums.

Step-by-Step Solution:• Ring 2 drums.• 2 drums remain outside.

Q: There are 7 lanterns. Circle a group of 5 lanterns.

Step-by-Step Solution:• Ring 5 lanterns.• 7 - 5 = 2 lanterns remain outside.

Counting 1 to 9, As Many As, More or Less, Make Groups & Zero | CBSE Session 2026–27

Core Pedagogical Competencies & Concepts

One-to-one matching: 'As many as'.
Counting physical objects from 1 to 9.
Comparing collections: More vs Less.
Counting and writing numerals and number names.
Grouping objects into given numbers and concept of Zero.

All Textbook Exercises & In-Text Tasks (25 Questions)

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Q1 Textbook Exercise • As Many As Cats and Mice

In the textbook illustration: 5 cats are paired with 5 mice by drawing connecting lines. Is every cat matched to a mouse?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Yes, there are 5 cats and 5 mice.
• Since 5 = 5, there are as many mice as cats.

CBSE Step-by-Step Marking Scheme

5 = 5 matching 1 M

As many as verified 1 M

Q2 Textbook Exercise • More or Less Children and Chairs

5 children are playing musical chairs. There are only 4 chairs. Tick (✓) which is MORE: Children or Chairs?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Children = 5
• Chairs = 4
• 5 > 4, so Children are MORE (tick ✓).

CBSE Step-by-Step Marking Scheme

Children are more 2 M

Q3 Textbook Exercise • Count and Match

Count the watermelons: There are 2 watermelons. Match with numeral 2.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 2 watermelons match with numeral 2 (Two).

CBSE Step-by-Step Marking Scheme

Matched to 2 2 M

Q4 Textbook Exercise • Counting Milk Bottles

Count the milk bottles in the crate: • • • • •. Write the numeral.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• There are 5 milk bottles. Numeral: 5 (Five).

CBSE Step-by-Step Marking Scheme

Numeral 5 written 2 M

Q5 Textbook Exercise • Counting Ladders

Count the wooden ladders standing against the wall: • • •. Write the numeral.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• There are 3 wooden ladders. Numeral: 3 (Three).

CBSE Step-by-Step Marking Scheme

Numeral 3 written 2 M

Q6 Textbook Exercise • Counting Gas Cylinders

Count the red gas cylinders: • • • •. Write the numeral.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• There are 4 gas cylinders. Numeral: 4 (Four).

CBSE Step-by-Step Marking Scheme

Numeral 4 written 2 M

Q7 Textbook Exercise • Make a Group of 4 Bottles

There are 6 glass bottles in a row. Draw a line around a group of 4 bottles.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Circle 4 bottles together.
• 2 bottles remain uncircled.

CBSE Step-by-Step Marking Scheme

4 bottles grouped 1 M

2 remain noted 1 M

Q8 Textbook Exercise • Make a Group of 3 Trees

There are 5 trees. Circle a group of 3 trees.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Draw a circle around any 3 trees.
• 2 trees remain outside.

CBSE Step-by-Step Marking Scheme

Group of 3 circled 2 M

Q9 Textbook Exercise • Make a Group of 2 Drums

There are 4 drums. Draw a ring around a group of 2 drums.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Ring 2 drums.
• 2 drums remain outside.

CBSE Step-by-Step Marking Scheme

Group of 2 ringed 2 M

Q10 Textbook Exercise • Make a Group of 5 Lanterns

There are 7 lanterns. Circle a group of 5 lanterns.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Ring 5 lanterns.
• 7 - 5 = 2 lanterns remain outside.

CBSE Step-by-Step Marking Scheme

Group of 5 ringed 2 M

Q11 Let Us Do • One to Nine Rhyme

One, one, one, one little baby eating a bun! Two, two, two, two little children going to the zoo! What comes next for three?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 'Three, three, three, three green parrots flying free!'

CBSE Step-by-Step Marking Scheme

Three green parrots flying free 2 M

Q12 Textbook Exercise • Number Names 1 to 5

Write the number names for: 1, 2, 3, 4, 5.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 1 = One
• 2 = Two
• 3 = Three
• 4 = Four
• 5 = Five

CBSE Step-by-Step Marking Scheme

All 5 spelled correctly 2 M

Q13 Textbook Exercise • Number Names 6 to 9

Write the number names for: 6, 7, 8, 9.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 6 = Six
• 7 = Seven
• 8 = Eight
• 9 = Nine

CBSE Step-by-Step Marking Scheme

All 4 spelled correctly 2 M

Q14 Textbook Exercise • Count and Match 6 to 9

Match: (a) 6 leaves, (b) 7 glasses, (c) 8 sticks, (d) 9 mangoes to numerals [6, 7, 8, 9].

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 6 leaves → 6
• 7 glasses → 7
• 8 sticks → 8
• 9 mangoes → 9

CBSE Step-by-Step Marking Scheme

All 4 correctly matched 2 M

Q15 Textbook Exercise • Color 6 Birds

There are 8 birds in the tree. You are asked to color 6 birds. How many birds remain uncolored?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Total birds = 8
• Colored birds = 6
• Uncolored birds = 8 - 6 = 2 birds.

CBSE Step-by-Step Marking Scheme

8 - 6 = 2 1 M

Answer: 2 birds 1 M

Q16 Textbook Exercise • Color 3 Trees

Out of 4 pine trees, color 3 trees. How many trees are not colored?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 4 - 3 = 1 tree remains uncolored.

CBSE Step-by-Step Marking Scheme

4 - 3 = 1 2 M

Q17 Textbook Exercise • Color 1 Boat

There are 3 boats in the river. Color 1 boat. How many boats are left uncolored?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 3 - 1 = 2 boats left uncolored.

CBSE Step-by-Step Marking Scheme

3 - 1 = 2 2 M

Q18 Textbook Exercise • Missing Numbers 1 to 9

Write the missing numbers: 1, __, 3, 4, __, 6, __, 8, 9.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Missing numbers are: 2, 5, 7.
• Full sequence: 1, 2, 3, 4, 5, 6, 7, 8, 9.

CBSE Step-by-Step Marking Scheme

Filled 2, 5, 7 2 M

Q19 Textbook Exercise • What Comes Before 5?

What number comes just before 5, and what comes just after 5?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• Just before 5 is 4.
• Just after 5 is 6.

CBSE Step-by-Step Marking Scheme

Before 5 = 4 1 M

After 5 = 6 1 M

Q20 Textbook Exercise • What Comes Between 7 and 9?

What number lies between 7 and 9?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• The number between 7 and 9 is 8.

CBSE Step-by-Step Marking Scheme

Identified 8 2 M

Q21 Textbook Exercise • Concept of Zero Flower Pot

There are 3 pretty flowers in a flower pot. A child plucks 1 flower, then another, then the last one. How many flowers are left in the pot?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
1. Total flowers = 3
2. Flowers plucked = 3
3. Flowers remaining = 3 - 3 = 0 (Zero).
4. Zero means no flowers are left in the pot.

CBSE Step-by-Step Marking Scheme

3 - 3 = 0 1 M

Concept of zero explained 1 M

Q22 Textbook Exercise • Birds Flying Off Branch

4 birds sit on a tree. All 4 fly away together. How many birds are on the branch?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 4 - 4 = 0 birds.

CBSE Step-by-Step Marking Scheme

0 birds 2 M

Q23 Textbook Exercise • Cages with Mice

A mouse cage has 3 white mice. All 3 run out through the open door. How many mice are in the cage?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 3 - 3 = 0 mice.

CBSE Step-by-Step Marking Scheme

0 mice 2 M

Q24 Textbook Exercise • Balloons in Hand

A girl holds 3 balloons. All 3 burst: POP! POP! POP! How many balloons are in her hand?

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 3 - 3 = 0 balloons.

CBSE Step-by-Step Marking Scheme

0 balloons 2 M

Q25 Competency Review • Writing Numerals 0 to 9

Write all single-digit numerals starting from 0 up to 9.

[2 Marks]

✅ Step-by-Step Solution & Working

Step-by-Step Solution:
• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

CBSE Step-by-Step Marking Scheme

All 10 digits written in order 2 M

🌟 NEP 2020 Competency-Based Case Study

Playground Matchsticks Counting Case Study

Five children are playing in the school garden. Teacher gives 1 biscuit to each child. Then she counts the remaining biscuits in the packet: there are 3 biscuits left.

Analytical Task: How many biscuits were given to the 5 children? How many total biscuits were in the packet originally?

Evaluation & Model Answer:

1. 5 children each got 1 biscuit, so 5 biscuits were given out.
2. Total biscuits originally = 5 given + 3 left = 8 biscuits.

Rubric: 1.5 M for 5 biscuits given + 1.5 M for 5 + 3 = 8 total biscuits