Chapter 13 of 13
Chapter 13: How Many
Counting Beads, Bundles, Stick Totals, Number Names & Word Problems | CBSE Session 2026–27
Core Pedagogical Competencies & Concepts
- Counting beads on a necklace and loose beads.
- Counting bundles of 10 and loose sticks to write numerals.
- Writing number names from given collections.
- Solving simple everyday word problems combining groups.
All Textbook Exercises & In-Text Tasks (16 Questions)
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Q1
Textbook Exercise • How Many Sticks in Bundles?
Look at the picture: 3 bundles of 10 sticks and 7 loose sticks. Write the numeral.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 3 tens + 7 ones = 30 + 7 = 37.
• 3 tens + 7 ones = 30 + 7 = 37.
CBSE Step-by-Step Marking Scheme
Numeral 37
2 M
Q2
Textbook Exercise • 4 Bundles and 5 Sticks
Write the numeral for 4 bundles of 10 and 5 loose sticks.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 4 tens + 5 ones = 40 + 5 = 45.
• 4 tens + 5 ones = 40 + 5 = 45.
CBSE Step-by-Step Marking Scheme
Numeral 45
2 M
Q3
Textbook Exercise • How Many Beads on String?
A string has 10 beads. There are 2 full strings and 4 loose beads. How many beads in all?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 2 tens + 4 ones = 20 + 4 = 24 beads.
• 2 tens + 4 ones = 20 + 4 = 24 beads.
CBSE Step-by-Step Marking Scheme
24 beads
2 M
Q4
Textbook Exercise • How Many Bananas?
There are 2 bunches of 10 bananas and 3 loose bananas. Write the total count.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 2 tens + 3 ones = 20 + 3 = 23 bananas.
• 2 tens + 3 ones = 20 + 3 = 23 bananas.
CBSE Step-by-Step Marking Scheme
23 bananas
2 M
Q5
Textbook Exercise • Write the Number Name for 15
Write the number name for 15.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 15 = Fifteen.
• 15 = Fifteen.
CBSE Step-by-Step Marking Scheme
Fifteen
2 M
Q6
Textbook Exercise • How Many Tens in 24?
In the number 24, how many tens are there?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• In 24, there are 2 tens (and 4 ones).
• In 24, there are 2 tens (and 4 ones).
CBSE Step-by-Step Marking Scheme
2 tens
2 M
Q7
Textbook Exercise • Which is Bigger: 13 or 26?
Which number is bigger: 13 or 26?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 26 has 2 tens, while 13 has only 1 ten.
• Therefore, 26 is bigger.
• 26 has 2 tens, while 13 has only 1 ten.
• Therefore, 26 is bigger.
CBSE Step-by-Step Marking Scheme
26 is bigger
2 M
Q8
Textbook Exercise • Cost of 3 Toffees
If 1 toffee costs ₹1, how much do 3 toffees cost?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 1 toffee = ₹1
• 3 toffees = 1 + 1 + 1 = ₹3.
• 1 toffee = ₹1
• 3 toffees = 1 + 1 + 1 = ₹3.
CBSE Step-by-Step Marking Scheme
₹3
2 M
Q9
Textbook Exercise • How Many Birds in Trees?
Tree A has 6 birds. Tree B has 3 birds. How many birds in total?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 6 + 3 = 9 birds.
• 6 + 3 = 9 birds.
CBSE Step-by-Step Marking Scheme
6 + 3 = 9 birds
2 M
Q10
Textbook Exercise • Develop a Story on a Picture
A picture shows a girl holding 5 red flowers and giving 2 to her teacher. Write the math sentence.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• Math sentence: 5 - 2 = 3 flowers left.
• Math sentence: 5 - 2 = 3 flowers left.
CBSE Step-by-Step Marking Scheme
5 - 2 = 3 flowers
2 M
Q11
Let Us Do • Tens and Ones for 43
Write Tens and Ones for 43.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 43 = 4 Tens and 3 Ones.
• 43 = 4 Tens and 3 Ones.
CBSE Step-by-Step Marking Scheme
4 Tens and 3 Ones
2 M
Q12
Activity • Match Dots to Numeral
Draw 8 dots in a row and match with the numeral 8.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• (••••••••) = 8 (Eight).
• (••••••••) = 8 (Eight).
CBSE Step-by-Step Marking Scheme
8 dots matched to 8
2 M
Q13
Textbook Exercise • Number Name for 47
Write the spelling of 47.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 47 = Forty-seven.
• 47 = Forty-seven.
CBSE Step-by-Step Marking Scheme
Forty-seven
2 M
Q14
Textbook Exercise • Counting Goats
There are 4 goats eating grass. 2 more goats join them. How many goats altogether?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 4 + 2 = 6 goats.
• 4 + 2 = 6 goats.
CBSE Step-by-Step Marking Scheme
4 + 2 = 6 goats
2 M
Q15
Textbook Exercise • Bundles of 10 for 50
How many bundles of 10 make 50?
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 5 bundles of 10 make 50.
• 5 bundles of 10 make 50.
CBSE Step-by-Step Marking Scheme
5 bundles
2 M
Q16
Competency Review • Summary of All Math Concepts
Name 3 important things you learned in Class 1 Math-Magic.
[2 Marks]
✅ Step-by-Step Solution & Working
Step-by-Step Solution:
• 1. Counting numbers from 1 to 100 using tens and ones.
• 2. Addition and subtraction facts.
• 3. Shapes, patterns, time, and money.
• 1. Counting numbers from 1 to 100 using tens and ones.
• 2. Addition and subtraction facts.
• 3. Shapes, patterns, time, and money.
CBSE Step-by-Step Marking Scheme
Three core math areas summarized
2 M
🌟 NEP 2020 Competency-Based Case Study
Pearl Necklace Project Case Study
Razia strings 3 necklaces with 10 pearls each and has 9 loose pearls left on her wooden craft tray.
Analytical Task: How many total pearls does Razia have? How many more loose pearls does she need to complete a 4th necklace of 10?
Evaluation & Model Answer:
1. 3 necklaces of 10 = 30 pearls. Loose pearls = 9. Total = 30 + 9 = 39 pearls in all.
2. To make 10 from 9 pearls, she needs: 10 - 9 = 1 more pearl.
2. To make 10 from 9 pearls, she needs: 10 - 9 = 1 more pearl.
Rubric: 1.5 M for 30 + 9 = 39 pearls + 1.5 M for 10 - 9 = 1 pearl