Learning Objectives (अधिगम उद्देश्य)
English
By the end of the lesson, students will be able to:
- Recognize numbers from 51 to 100.
- Read and write numbers correctly.
- Count forward and backward from 51 to 100.
- Understand the place value of Tens and Ones.
- Compare numbers using >, <, =.
- Arrange numbers in ascending and descending order.
- Identify before, after, and between numbers.
- Skip count by 2s, 5s, and 10s.
- Apply numbers in daily life.
हिन्दी
पाठ के अंत तक विद्यार्थी—
- 51 से 100 तक की संख्याओं को पहचानेंगे।
- संख्याओं को पढ़ेंगे एवं लिखेंगे।
- 51 से 100 तक आगे और पीछे गिनेंगे।
- दहाई (Tens) तथा इकाई (Ones) का ज्ञान प्राप्त करेंगे।
- बड़ी, छोटी तथा बराबर संख्याओं की तुलना करेंगे।
- आरोही एवं अवरोही क्रम लिखेंगे।
- पहले, बाद तथा बीच की संख्या बताएँगे।
- 2, 5 तथा 10 के अंतराल से गिनती करेंगे।
- दैनिक जीवन में इन संख्याओं का प्रयोग करेंगे।
Prerequisite Knowledge (पूर्व ज्ञान)
Students already know:
- Numbers from 1–50
- Number names
- Place value up to 50
- Ascending and descending order
- Before and after numbers
Teaching Learning Materials (TLMs)
- Number chart (1–100)
- Hundred chart
- Number cards (51–100)
- Bundles of 10 sticks
- Loose sticks
- Place value chart
- Abacus
- Bottle caps
- Beads
- Flash cards
- Worksheets
- Blackboard
- Smart Board (optional)
Key Vocabulary
English
हिन्दी
Number
संख्या
Number Name
संख्या नाम
Tens
दहाई
Ones
इकाई
Hundred
सौ
Greater
बड़ा
Smaller
छोटा
Equal
बराबर
Before
पहले
After
बाद
Between
बीच में
Ascending
आरोही क्रम
Descending
अवरोही क्रम
Skip Counting
अंतराल से गिनती
Period 1 – Introduction to Numbers 51–100
Motivation
Teacher shows a hundred chart.
Students count together from 1 to 50.
Teacher continues:
51, 52, 53...
up to 100.
Explain that after 50, counting continues until 100.
Study Material
Numbers 51–100
51–60
Number
Number Name
51
Fifty-one
52
Fifty-two
53
Fifty-three
54
Fifty-four
55
Fifty-five
56
Fifty-six
57
Fifty-seven
58
Fifty-eight
59
Fifty-nine
60
Sixty
61–70
Number
Number Name
61
Sixty-one
62
Sixty-two
63
Sixty-three
64
Sixty-four
65
Sixty-five
66
Sixty-six
67
Sixty-seven
68
Sixty-eight
69
Sixty-nine
70
Seventy
71–80
Number
Number Name
71
Seventy-one
72
Seventy-two
73
Seventy-three
74
Seventy-four
75
Seventy-five
76
Seventy-six
77
Seventy-seven
78
Seventy-eight
79
Seventy-nine
80
Eighty
81–90
Number
Number Name
81
Eighty-one
82
Eighty-two
83
Eighty-three
84
Eighty-four
85
Eighty-five
86
Eighty-six
87
Eighty-seven
88
Eighty-eight
89
Eighty-nine
90
Ninety
91–100
Number
Number Name
91
Ninety-one
92
Ninety-two
93
Ninety-three
94
Ninety-four
95
Ninety-five
96
Ninety-six
97
Ninety-seven
98
Ninety-eight
99
Ninety-nine
100
One Hundred
Period 2 – Place Value (Tens and Ones)
Explanation
Every two-digit number has Tens and Ones.
Examples
Number
Tens
Ones
51
5
1
58
5
8
63
6
3
74
7
4
85
8
5
99
9
9
100
10 Tens = 1 Hundred
0
Activity
Use bundles of 10 sticks.
Example:
74 = 7 bundles of ten + 4 loose sticks
Period 3 – Number Concepts
Forward Counting
51, 52, 53 ... 100
Backward Counting
100, 99, 98 ... 51
Before, After and Between
Before
Number
After
54
55
56
69
70
71
89
90
91
99
100
—
Between
62 __ 64 → 63
75 __ 77 → 76
98 __ 100 → 99
Comparing Numbers
Greater Than (>)
78 > 65
Less Than (<)
59 < 81
Equal (=)
90 = 90
Ascending Order
54, 61, 72, 84, 95
Descending Order
100, 93, 80, 69, 51
Period 4 – Skip Counting
Skip Counting by 2
52, 54, 56, 58, 60...
Skip Counting by 5
55, 60, 65, 70, 75, 80...
Skip Counting by 10
50, 60, 70, 80, 90, 100
Activity
Students clap while skip counting.
Period 5 – Classroom Activities
Activity 1 – Number Train
Each student holds one number card.
Arrange students from 51 to 100.
Activity 2 – Missing Number
51 __ 53
Answer: 52
67 __ 69
Answer: 68
98 __ 100
Answer: 99
Activity 3 – Place Value Game
Teacher says:
86
Students show:
8 Tens
6 Ones
Activity 4 – Number Hunt
Hide number cards around the classroom.
Students find them and arrange them in sequence.
Real-Life Examples
- A library has 75 books on a shelf.
- There are 92 students in a school assembly.
- A shop has 100 balloons.
- A bus has 60 passengers.
Practice Exercises
Write the Missing Numbers
51 __ 53 __ 55
67 __ 69 __ 71
88 __ 90 __ 92
97 __ 99 __
Write Number Names
56 = __________
68 = __________
75 = __________
84 = __________
99 = __________
100 = __________
Write Numerals
Seventy-two = ______
Eighty-five = ______
Ninety-six = ______
One Hundred = ______
Place Value
Number
Tens
Ones
58
____
____
73
____
____
89
____
____
94
____
____
100
____
____
Compare
65 ___ 56
91 ___ 98
75 ___ 75
82 ___ 79
Ascending Order
75, 61, 90, 54
Descending Order
100, 83, 69, 95
Word Problems
English
- There are 68 apples in a basket. Write the number name.
- A class has 95 students. Write the numeral.
- There are 100 flowers in a garden. Count and write the number.
हिन्दी
- एक टोकरी में 68 सेब हैं। संख्या नाम लिखिए।
- कक्षा में 95 विद्यार्थी हैं। संख्या लिखिए।
- बगीचे में 100 फूल हैं। संख्या लिखिए।
Worksheet
Fill in the Blanks
- Number after 79 = ______
- Number before 91 = ______
- Number between 63 and 65 = ______
- Number after 99 = ______
Tick (✓) the Correct Answer
- Which is greater?
☐ 68
☐ 86
- Which number comes before 100?
☐ 98
☐ 99
Match the Following
Number
Number Name
60
Sixty
75
Seventy-five
84
Eighty-four
92
Ninety-two
100
One Hundred
Assessment
Oral Questions
- What comes after 79?
- What comes before 90?
- How many tens are there in 84?
- Which is greater: 68 or 86?
- What is the number name of 100?
Written Questions
- Write the numbers from 51 to 100.
- Write the number names for 57, 68, 82, 95, and 100.
- Arrange 72, 59, 84, 61 in ascending order.
- Fill in the place value chart for 76 and 98.
Common Mistakes
Students may:
- Reverse digits (e.g., writing 74 as 47).
- Miss numbers while counting.
- Confuse tens and ones.
- Spell number names incorrectly (especially Forty, Eighty, and Ninety).
Use a hundred chart, place value blocks, and daily oral counting to reinforce concepts.
Homework
- Write the numbers 51–100.
- Write the number names for 51–60.
- Draw 82 stars (or represent them in groups of ten and ones).
- Write the before, after, and between numbers for:
- 67
- 80
- 95
- 100
Revision Notes
Remember:
- Numbers from 51 to 100 are two-digit numbers, except 100, which is a three-digit number.
- Every two-digit number has tens and ones.
- Compare numbers using >, <, =.
- Practice forward counting, backward counting, and skip counting every day.
- Use a hundred chart to identify patterns and improve number recognition.